2020-05-21 Tracking News

Contents on 21 May '20

IAU Minor Planet Center
- NEOCP Activity -- 92 listings
- New MPECs -- 20 MPECs
Observers -- 60 observers
Impact Risk Monitoring -- five objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1141 risk-listed objects, 71 have had news in the last 31 days. Updated at 2002 UTC on 21 May.
Earth's Busy Neighborhood traffic page
Ephemerides for risk-listed objects & close passers
News archive (old) & news image catalog (discontinued)
Object Links - mainly for radar targets & close passers (mostly discontinued)
Observing Campaigns (old)

The latest A/CC news is available via framed access, RSS news feed, or redirection.

Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. To keep track of what's new each day, watch the Chronology section.

NEOCP Activity on 21 May '20

The MPC's NEO Confirmation Page has 92 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 92 objects listed. Of these, 63 were "one nighters." So far The Tracking News has counted a total of 124 listings on the NEOCP today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object at Suno Observatory by Birtwhistle et al.

New MPECs on 21 May '20

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been 20 MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2020-K92 time-stamped "01:18 UT" - Comet P/2020 F1 = P/2002 E4 (Leonard) - see below
MPEC 2020-K93 time-stamped "01:51 UT" - 2020 KX1 - see below
MPEC 2020-K94 time-stamped "01:54 UT" - 2020 KY1 - see below
MPEC 2020-K95 time-stamped "02:23 UT" - 2020 KZ1 - see below
MPEC 2020-K96 time-stamped "09:09 UT" - 2020 KA2 - see below
MPEC 2020-K97 time-stamped "09:31 UT" - 2020 KB2 - see below
MPEC 2020-K98 time-stamped "09:35 UT" - 2020 KC2 - see below
MPEC 2020-K99 time-stamped "11:48 UT" - 2020 JK3 - see below
MPEC 2020-K100 time-stamped "11:49 UT" - 2020 KD2 - see below
MPEC 2020-K101 time-stamped "11:51 UT" - 2020 KE2 - see below
MPEC 2020-K102 time-stamped "11:53 UT" - 2020 JL3 - see below
MPEC 2020-K103 time-stamped "11:54 UT" - 2020 KF2 - see below
MPEC 2020-K104 time-stamped "11:56 UT" - 2020 KG2 - see below
MPEC 2020-K105 time-stamped "12:15 UT" - Daily Orbit Update - see below
MPEC 2020-K106 time-stamped "17:06 UT" - 2020 KJ2 - see below
MPEC 2020-K107 time-stamped "22:35 UT" - Comet C/2020 H7 (Lemmon) - see below
MPEC 2020-K108 time-stamped "22:52 UT" - 2020 KM2 - see below
MPEC 2020-K109 time-stamped "23:01 UT" - 2020 KN2 - see below
MPEC 2020-K110 time-stamped "23:25 UT" - Comet C/2020 H8 (Panstarrs) - see below
MPEC 2020-K111 time-stamped "23:53 UT" - Comet C/2020 K1 (Panstarrs)

MPEC 2020-K111 - "23:53 UT" - Comet C/2020 K1 (Panstarrs)

CK20K010 C/2020 K1 (Panstarrs) (i=89.6°, q=3.079 AU, TP=2023 May 8.68397 TT) was picked up at 1217 UT on 17 May by Pan-STARRS 2 (PS2), observing it at April 17.55-59p4, 27.56-60p4, May 6.52-56p4, 17.51-55p4, and 20.56-60p5. This detection was confirmed by Guidestar Obs. (May 17.95-98p3), KLENOT (May 17.96-97p7 & 18.92p4), St. Pardon de Conques Obs. (May 18.01-03p3), Visnjan Obs. (May 18.08-10p2 & 19.06p3), Steward Obs. Mt. Lemmon Station (May 18.30-33p4), program code "," (21) via Faulkes Telescope North (May 18.42-43p4), Dettelbach Vineyard Obs. (May 19.01-03p3), Hidetaka Sato via iTelescope Obs. Mayhill (May 19.43-44p3), R. Wainscoat on Mauna Kea (May 19.60p3), Schiaparelli Obs. (May 19.94-98p2 & 20.02-06p2), Brixiis Obs. (May 19.94-98p4), Sormano2 Obs. (May 20.89-90p2), Sormano Obs. (May 20.94p3), and Maisoncelles Obs. (May 21.04-06p3).

MPEC 2020-K110 - "23:25 UT" - Comet C/2020 H8 (Panstarrs)

CK20H080* C/2020 H8 (Panstarrs) (i=99.7°, q=4.678 AU, TP=2020 June 6.72067 TT) was picked up at 1350 UT on 30 April by PS2, observing it at April 30.58-60p3, May 4.54-57p8, 6.52-55p3, 13.61p1, 17.61p1, and 20.58-61p4. This detection was confirmed by Astronomical Research Obs. Westfield (May 1.35p3), Faulkes North/code "," (21) (May 1.47-48p4), Lothar Kurtze via Faulkes Telescope North (May 1.57p4 & 14.46p4), Ametlla del Valles Obs. (May 2.07-08p3), Sandlot Obs. (May 2.38-39p3 & 7.29-32p4), Steward Mt. Lemmon Sta. (May 3.43-45p4, 5.38-39p3, 6.37-39p4, 12.44p2 & 14.33-35p3), Visnjan Obs. (May 4.05-08p4), Sato/iTelObs-Mayhill (May 4.46-47p2), Great Shefford Obs. (May 6.09-10p2, 9.04p1 & 9.08p1), Modra Obs. (May 8.07-08p2), Tebbutt Obs. (May 14.35-37p2), Brixiis Obs. (May 14.92-95p3), Dave Balam via Plaskett 1.8m Telescope (May 15.38-40p5, 18.36-38p5 & 19.35-37p5), Dettelbach Vineyard Obs. (May 16.07-08p3), Maisoncelles Obs. (May 16.09p3), the Mt. Lemmon Survey (MLS) (May 16.46-47p4), St. Pardon de Conques Obs. (May 17.13p2), KLENOT (May 17.95-96p3 & 18.93p4), R. Wainscoat/Mauna Kea (May 20.56p3), and Jana Pittichova Chesley via Table Mtn. Obs. (May 21.44-45p2).

MPEC 2020-K109 - "23:01 UT" - 2020 KN2

K20K02N 2020 KN2 (small asteroid, Earth MOID=0.4 LD, H=26.3 ~19m) was picked up at 0953 UT on 20 May by PS2, observing it at May 20.41-45p4. This detection was confirmed by Schwarzschild Obs. (May 20.91-92p3), R. Wainscoat/Mauna Kea (May 21.32p3), Steward Mt. Lemmon Sta. (May 21.34-35p3), Visnjan Obs. (May 21.92-93p3), and St. Pardon de Conques Obs. (May 21.93-95p2).

MPEC 2020-K108 - "22:52 UT" - 2020 KM2

K20K02M 2020 KM2 (small asteroid, H=23.5 ~68m) was picked up at 0927 UT on 17 May by Pan-STARRS 1 (PS1), observing it at May 17.39-42p3 at w=21.51-65 and 19.51-54p3 at G=21.2-22.1. This detection was confirmed by R. Wainscoat/Mauna Kea (May 19.58p4), the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (May 21.31p4 at G=21.6-22.5), and PS2 (May 21.41-45p4).

MPEC 2020-K107 - "22:35 UT" - Comet C/2020 H7 (Lemmon)

CK20H070* C/2020 H7 (Lemmon) (i=135.9°, q=4.420 AU, Q=2805.030 AU, TP=2020 June 2.95098 TT) was picked up at 1009 UT on 29 April by MLS, observing it at April 29.42-44p4 and May 17.39-40p4. This detection was confirmed by Steward Mt. Lemmon Sta. (April 29.47-48p3, 30.30-31p4, May 2.41-44p3, 3.41p4, 5.38-39p4, 6.36-37p4, 12.33p4, 13.31-32p4, 14.33-34p4, 15.24-26p3, 16.37p4 & 21.42-43p4), PS2 (April 30.49-50p2, May 4.47-51p3, 13.59-60p3, 16.56-60p4 & 17.56-59p4), ARO Westfield (May 1.31-32p4), Visnjan Obs. (May 2.09-11p3), Sandlot Obs. (May 2.34-36p3), Hidetaka Sato via iTelescope Obs. Auberry (May 2.47-48p2), Ametlla del Valles Obs. (May 3.02-06p3), Great Shefford Obs. (May 6.03-06p3, 6.95-99p2 & 9.01-02p2), Modra Obs. (May 11.05-07p2), Brixiis Obs. (May 11.94-97p4), Kurtze/Faulkes North (May 12.43-44p4), Balam/Plaskett (May 15.35-36p5, 18.33-34p6 & 19.31-32p5), PS1 (May 16.53-57p3), St. Pardon de Conques Obs. (May 17.11-12p3), KLENOT (May 17.93-94p4 & 18.93p5), Paus Obs. (May 19.90p1 & 19.95p1), and Pittichova/Table Mtn. (May 21.41-42p2).

MPEC 2020-K106 - "17:06 UT" - 2020 KJ2

K20K02J 2020 KJ2 (small asteroid, H=22.7 ~98m) was picked up at 1056 UT on 16 May by PS1, observing it at May 16.46-49p4 at w=21.83-22.43. This detection was confirmed by R. Wainscoat/Mauna Kea (May 17.60p3 & 19.58p3), PS2 (May 19.48-51p4), and Schwarzschild Obs. (May 21.04-05p3 at V=22.8-23.5).

<< DOU on 21 May '20 >> MPEC 2020-K105 - "12:15 UT" - Daily Orbit Update

Observations of risk-listed objects
K20K01M 2020 KM1 (small asteroid, i=44.3°, Q=4.049 AU, arc=3 days, H=22.6 ~102m) from Steward Mt. Lemmon Sta. (May 21.14-15p4)
K20K01D 2020 KD1 (small asteroid, arc=3 days, H=27.8 ~9m, close passer, NHATS target) from Steward Mt. Lemmon Sta. (May 21.20p4)
K20K00W 2020 KW (small asteroid, arc=3 days, H=28.5 ~7m, close passer) from CSS-Kuiper (May 21.41p3)
K20K00U 2020 KU (small asteroid, arc=4 days, H=28.5 ~7m, close passer, NHATS target) from Schwarzschild Obs. (May 21.02p3) and Steward Mt. Lemmon Sta. (May 21.20p4)
K20K00S 2020 KS (small asteroid, arc=5 days, H=25.7 ~25m, close passer, NHATS target) from ATLAS Mauna Loa (May 20.38-41p4), Dettelbach Vineyard Obs. (May 20.98-99p3), M57 Obs. (May 21.05-07p3), Schwarzschild Obs. (May 21.07-08p4), and Steward Mt. Lemmon Sta. (May 21.20p4)
Observations of recently (no longer) risk-listed objects
K20J01X 2020 JX1 (small asteroid, arc=7 days, H=23.9 ~56m, close passer, NHATS target) from Mt. John Obs. (May 20.39p3) and Steward Mt. Lemmon Sta. (May 21.20-22p4)
K20J00U 2020 JU (arc=14 days, H=21.0 ~214m, NHATS target) from WISE (May 19.54p1, 19.67p1, 19.80p1, 19.93p1 & 19.99p1)
Observations of close-passing objects
K20K01W 2020 KW1 (arc=1 day, H=28.7 ~6m, NHATS target) from St. Pardon de Conques Obs. (May 20.97p3)
K20K01A 2020 KA1 (arc=5 days, H=26.6 ~16m, NHATS target) from CSS-Kuiper (May 21.35-36p4 at G=21.5-22.7)
K20K00P 2020 KP (arc=5 days, H=27.9 ~9m) from Great Shefford Obs. (May 21.03-05p4)
K20K00J 2020 KJ (arc=24 days, H=24.5 ~43m) from Schwarzschild Obs. (May 21.07p3) and Steward Mt. Lemmon Sta. (May 21.20p4)
K20J01Y 2020 JY1 (arc=6 days, H=25.3 ~29m, NHATS target) from Northolt Branch Obs. (May 19.93-94p3), ATLAS Mauna Loa (May 20.37-52p7), Mountainville Obs. (May 20.41-44p2), Farra d'Isonzo Obs. (May 20.86-87p4), M57 Obs. (May 20.93-95p5), Povegliano Veronese Obs. (May 20.97p5), Schwarzschild Obs. (May 21.02p3), Steward Mt. Lemmon Sta. (May 21.20p4), and Petit Jean Mtn. South Obs. (PJMSO) (May 21.24p10)
K20J01R 2020 JR1 (arc=7 days, H=27.6 ~10m, NHATS target) from Schwarzschild Obs. (May 21.03p4) and Steward Mt. Lemmon Sta. (May 21.34p3)
K20J01M 2020 JM1 (arc=7 days, H=26.1 ~20m, NHATS target) from Mt. John Obs. (May 20.46-47p4)
K20J00R 2020 JR (arc=14 days, H=25.0 ~34m, NHATS target) from PS1 (May 20.43-46p6)
K13X22A 2013 XA22 (arc=2 opp, H=22.9 ~89m, NHATS target) from Northolt Branch Obs. (May 19.96-97p3), PS2 (May 20.42-46p4), ATLAS Haleakala (May 20.46-51p4), Farra d'Isonzo Obs. (May 20.87-90p3), Mirasteilas Obs. (May 20.92-93p6), M57 Obs. (May 20.97-03p4), and PJMSO (May 21.22p6)
Observation campaigns (NHATS targets, radar support)
K20K01V 2020 KV1 (arc=1 day, H=26.1 ~20m, NHATS) from St. Pardon de Conques Obs. (May 20.92p2) and MLS (May 21.27-28p4)
K20K00Y 2020 KY (arc=4 days, H=26.2 ~19m, NHATS) from CSS-Kuiper (May 21.34p4)
K20J02Z 2020 JZ2 (arc=6 days, H=25.7 ~25m, NHATS) from CSS-Kuiper (May 21.25-26p4 at G=20.9-22.1)
K20J01Z 2020 JZ1 (arc=9 days, H=25.7 ~25m, NHATS) from Mt. John Obs. (May 20.37-38p5)
K20J01G 2020 JG1 (arc=9 days, H=26.0 ~21m, NHATS) from MLS (May 20.31-33p4) and CSS-Kuiper (May 21.36-37p4)
K20J01E 2020 JE1 (arc=8 days, H=24.8 ~37m, NHATS) from ATLAS Mauna Loa (May 20.36-41p4) and Steward Mt. Lemmon Sta. (May 21.35p4)
K15O00V 2015 OV (arc=261 days, H=23.6 ~65m, NHATS) from UH/Tholen NEO Follow-Up 2.24m Telescope (2016 Feb. 4.55-56p2 at G=22.68-70)
K15FC4O 2015 FO124 (arc=3 opp, H=21.3 ~186m, NHATS) from CSS-Kuiper (May 21.42-43p4 at G=21.9-22.3)
-- NHATS target table
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20K02B 2020 KB2 (arc=4 days, H=24.6 ~41m) from Pittichova/Table Mtn. (May 21.36-38p2)
K20K01Y 2020 KY1 (Q=4.061 AU, arc=5 days, H=23.5 ~68m) from PS1 (May 16.40-45p4 & 19.43-45p3)
K20K01P 2020 KP1 (arc=7 days, H=23.1 ~81m) from PS2 (May 19.32-35p4 & 20.31-35p4), Mt. John Obs. (May 20.47-48p4), Visnjan Obs. (May 20.86p4), Schwarzschild Obs. (May 20.87p3), St. Pardon de Conques Obs. (May 20.95-96p3), and Great Shefford Obs. (May 20.99p3)
K20K00Z 2020 KZ (arc=4 days, H=25.0 ~34m) from Steward Mt. Lemmon Sta. (May 21.37-40p3)
K20K00T 2020 KT (arc=4 days, H=24.1 ~51m) from CSS-Kuiper (May 21.37-38p4)
K20K00Q 2020 KQ (arc=17 days, H=23.4 ~71m) from Schwarzschild Obs. (May 21.01p3)
K20K00N 2020 KN (arc=4 days, H=23.3 ~74m) from Mt. John Obs. (May 20.41-42p3)
K20K00M 2020 KM (i=37.5°, arc=5 days, H=23.8 ~59m) from Steward Mt. Lemmon Sta. (May 21.44p2)
K20J02H 2020 JH2 (arc=6 days, H=24.5 ~43m) from Schwarzschild Obs. (May 21.07p3) and Steward Mt. Lemmon Sta. (May 21.20p4)
K20J02G 2020 JG2 (arc=6 days, H=23.3 ~74m) from the Catalina Sky Survey (CSS) (May 20.35-36p4) and Schwarzschild Obs. (May 21.07p3)
K20J01P 2020 JP1 (arc=7 days, H=22.3 ~117m) from PS2 (May 20.46-50p3)
K20J01O 2020 JO1 (arc=8 days, H=23.8 ~59m) from Steward Mt. Lemmon Sta. (May 21.43-44p4)
K20J00Z 2020 JZ (Q=4.064 AU, arc=8 days, H=22.8 ~93m) from PS1 (May 20.33-35p3) and Mt. John Obs. (May 20.49-50p4)
K20J00X 2020 JX (arc=9 days, H=23.8 ~59m) from PS2 (May 20.52-57p3) and Dettelbach Vineyard Obs. (May 21.04-05p3)
K20H09V 2020 HV9 (arc=25 days, H=22.6 ~102m) from Mirasteilas Obs. (May 20.94p2)
K20H09R 2020 HR9 (Q=4.201 AU, arc=59 days, H=24.2 ~49m) from MLS (May 20.35-37p4) and PS1 (May 20.48-51p3)
K20H09G 2020 HG9 (arc=22 days, H=23.3 ~74m) from ATLAS Mauna Loa (May 20.27-31p4)
K20H07L 2020 HL7 (arc=23 days, H=22.9 ~89m) from WISE (May 17.74p1, 17.81p1, 17.87p1, 17.94p1 & 18.07p2)
K20H06G 2020 HG6 (arc=57 days, H=22.9 ~89m) from PS1 (May 20.30-32p3)
K20H03H 2020 HH3 (arc=31 days, H=23.8 ~59m) from PS2 (May 20.47-50p3)
K20H02T 2020 HT2 (arc=60 days, H=22.3 ~117m) from Tentlingen Obs. (May 18.90p2) and ATLAS Haleakala (May 20.36-38p4)
K19P00K 2019 PK (arc=22 days, H=25.3 ~29m) from program code ">" (39) via La Palma (2019 Aug. 6.98-99p4)
K18D01N 2018 DN1 (arc=2 opp, H=24.2 ~49m) from MLS (May 20.38-40p4)
K02X40Q 2002 XQ40 (arc=5 opp, H=22.3 ~117m) from ATLAS Haleakala (May 20.30-33p4)
K00K00A 2000 KA (arc=4 opp, H=21.8 ~148m) from Northolt Branch Obs. (May 19.98p4), ATLAS Haleakala (May 20.45-50p4), Tesla Obs. (May 21.01-02p4), and PJMSO (May 21.23p6)
Observations of other objects
K20J00V 2020 JV (arc=10 days, H=21.6 ~162m) from ATLAS Haleakala (May 20.40-45p4) and Mt. John Obs. (May 20.50-51p4)
K20J00T 2020 JT from MLS (May 20.35-37p4)
K20J00D 2020 JD (arc=20 days, H=20.0 ~339m) from MLS (May 20.20-22p4), ATLAS Mauna Loa (May 20.29-34p4), and PJMSO (May 21.15-16p6)
K20H08S 2020 HS8 (arc=24 days, H=21.3 ~186m) from MLS (May 20.38-40p4)
K20G02D 2020 GD2 (arc=201 days, H=20.5 ~269m) from PS1 (May 21.28-31p3)
K20F06H 2020 FH6 (arc=56 days, H=20.0 ~339m) from ATLAS Haleakala (May 20.53-57p4)
K20F03W 2020 FW3 (arc=61 days, H=21.1 ~204m) from Tentlingen Obs. (May 19.99-01p3), CSS (May 20.35-37p4), ATLAS Mauna Loa (May 20.37-38p4), Mirasteilas Obs. (May 20.90-91p6), Dettelbach Vineyard Obs. (May 20.99-00p3), and PJMSO (May 21.25p6)
K20B05O 2020 BO5 (arc=121 days, H=21.0 ~214m) from ATLAS Haleakala (May 20.39-40p4)
K20A02V 2020 AV2 (IEO, Q=0.654 AU, arc=20 days, H=16.4 ~1.78 km) from Kitt Peak Natl. Obs. (KPNO) (Jan. 13.08-09p4)
K19X01G 2019 XG1 (Q=4.163 AU, arc=2 opp, H=19.2 ~490m) from PS2 (May 20.31-34p3)
K19W06B 2019 WB6 (arc=177 days, H=20.6 ~257m) from PS1 (May 20.39-41p3)
K19U09O 2019 UO9 (arc=2 opp, H=19.7 ~389m) from ATLAS Haleakala (May 20.31-32p3)
K18G04X 2018 GX4 (arc=3 opp, H=19.2 ~490m) from PS2 (May 20.31-35p4) and PJMSO (May 21.16-17p6)
K17M07U 2017 MU7 (arc=3 opp, H=20.4 ~282m) from PS2 (May 21.26-30p2)
K17M00E 2017 ME (i=41.4°, arc=3 opp, H=17.9 ~891m) from MASTER IAC Obs. (May 20.20-21p2)
K16F14Y 2016 FY14 (arc=2 opp, H=19.1 ~513m) from ATLAS Haleakala (May 20.55-56p4)
K15VE2U 2015 VU142 (arc=2 opp, H=19.5 ~426m) from PS1 (May 20.33-37p4)
K15TE3X 2015 TX143 (arc=6 opp, H=19.8 ~371m) from PS1 (May 20.38-42p3) and PJMSO (May 21.17p5)
K15R36G 2015 RG36 (arc=3 opp, H=20.3 ~295m) from CSS-Kuiper (May 21.24p3)
K13TE4V 2013 TV144 (arc=3 opp, H=20.6 ~257m) from CSS-Kuiper (May 21.44-45p4 at G=22.0-23.2)
K13O05N 2013 ON5 (arc=5 opp, H=18.7 ~616m) from PJMSO (May 21.19-21p6)
K10ED5C 2010 EC135 (arc=3 opp, H=20.3 ~295m) from Tentlingen Obs. (May 19.94-97p4), MLS (May 20.29-30p4), ATLAS Mauna Loa (May 20.40-43p4), and PJMSO (May 21.21-22p5)
K09Q34D 2009 QD34 (arc=4 opp, H=18.0 ~851m) from PS2 (May 20.42-45p3)
K07H82X 2007 HX82 (Q=4.101 AU, arc=3 opp, H=20.4 ~282m) from PS1 (May 20.47-50p4)
K06K21Q 2006 KQ21 (arc=4 opp, H=18.5 ~676m) from PS2 (May 20.41-45p4)
K05H03N 2005 HN3 (arc=5 opp, H=21.2 ~195m) from MLS (May 20.19-20p4)
K04L03U 2004 LU3 (arc=5 opp, H=18.4 ~708m) from ATLAS Haleakala (May 20.42-46p4)
K04F29F 2004 FF29 (arc=6 opp, H=18.1 ~812m) from PS2 (May 20.41-44p3) and PJMSO (May 21.19p5)
K03O03A 2003 OA3 from MLS (May 20.41-43p4)
K02V85R 2002 VR85 (arc=3 opp, H=20.4 ~282m) from PJMSO (May 21.23-24p5)
K02S00Q 2002 SQ (arc=6 opp, H=19.6 ~407m) from MLS (May 20.27-28p4 at G=21.3-22.1)
K02JA0Q 2002 JQ100 (arc=5 opp, H=19.8 ~371m) from PS1 (May 20.33-37p4)
J98H03N 1998 HN3 (Q=5.029 AU, arc=4 opp, H=18.2 ~776m) from PS2 (May 20.31-35p4) and PJMSO (May 21.18p5)
r9856 539856 2017 EV2 from PS1 (March 26.38-40p3)
r8644 538644 2016 FA4 from PS1 (Feb. 5.32-41p5)
q5498 525498 2005 GE60 from PS2 (April 11.29-32p4)
q4530 524530 2002 XC91 from CSS (May 20.24-25p4)
q2684 522684 2016 JP from CSS (May 20.33-34p4)
q0862 520862 2014 WG7 from MLS (May 20.25-26p3)
p3170 513170 2004 KH15 from ATLAS Mauna Loa (May 20.47-50p4)
p1523 511523 2014 QS439 from CSS (May 20.21-23p3)
p0262 510262 2011 HJ61 from PS2 (May 20.31-35p4)
p0073 510073 2010 JF88 from PS2 (April 28.55-59p4 & 30.32-34p3) and CSS (May 20.30-32p4)
n5891 495891 2004 VS60 from PS1 (May 20.43-45p4)
n5615 495615 2015 PQ291 from ATLAS Haleakala (May 20.34-36p4)
n4880 494880 2008 SQ7 from PS1 (May 20.37-41p4)
l7885 477885 2011 JT9 from PS2 (April 23.48-51p4, 23.61-62p2 & May 2.47-51p4), Northolt Branch Obs. (May 19.95-96p3), and ATLAS Mauna Loa (May 20.44-45p3)
l1034 471034 2009 TG8 from PS2 (May 20.41-45p4)
h8908 438908 2009 XO from PS2 (May 14.37-41p3), PS1 (May 19.38-41p4), program code "," (21) via Slooh.com Canary Islands Obs. (May 20.08-09p8), and ATLAS Haleakala (May 20.41-45p4)
h6030 436030 2009 JO2 from CSS (May 20.33-35p4) and ATLAS Mauna Loa (May 20.39p3)
h3992 433992 2000 HD74 from Steward Mt. Lemmon Sta. (May 20.30-31p4) and ATLAS Haleakala (May 20.40-45p4)
g5450 425450 2010 EV45 from CSS (May 20.26-28p4)
g0302 420302 2011 XZ1 from ATLAS Haleakala (May 20.52-54p3)
f8416 418416 2008 LV16 from PS1 (May 20.43-46p4)
f4903 414903 2010 XT45 from PS1 (Feb. 5.65-66p4)
d9325 399325 1999 GY5 from MLS (May 20.33-35p4) and PS1 (May 20.47-50p4)
c0929 380929 2006 HU30 from MLS (May 20.18-20p4)
a1518 361518 2007 FD from PS1 (May 20.43-46p3) and PS2 (May 20.47-51p3)
Z4952 354952 2006 FJ9 from PS1 (May 20.57-60p4)
Z4030 354030 2001 RB18 from program code "=" (38) via La Palma (2019 Nov. 10.97p1)
Z1340 351340 2004 YC5 from PS1 (May 20.29-32p4)
Y9063 349063 2006 XA from ATLAS Haleakala (May 20.57-60p4)
X3555 333555 2005 VY17 from CSS (May 20.30-32p4) and ATLAS Mauna Loa (May 20.34-36p3)
X0825 330825 2008 XE3 from PS1 (May 20.34-37p4)
V8050 318050 2004 FC32 from MLS (May 20.25-26p3) and ATLAS Mauna Loa (May 20.32-35p4)
U8242 308242 2005 GO21 from ATLAS Mauna Loa (May 20.59-61p6)
S5110 285110 1995 MA1 from MLS (May 20.29-31p4 at G=21.0-22.7)
R5714 275714 2000 YH4 from MLS (May 20.29-30p4)
Q7494 267494 2002 JB9 from ATLAS Haleakala (May 20.55-56p4)
Q5196 265196 2004 BW58 from PS1 (May 20.47-51p3)
O9595 249595 1997 GH28 from PS1 (May 20.33-37p4)
O3025 243025 2006 UM216 from La Palma/code "=" (38) (2019 Nov. 28.99p3)
O2216 242216 2003 RN10 from CSS (May 20.43-45p4)
N8456 238456 2004 RK from MLS (May 20.38-40p4)
N7551 237551 2000 WQ19 from MLS (May 20.19-20p4)
M8587 228587 2002 AP7 from PS1 (May 20.57-60p4)
L8863 218863 2006 WO127 from ATLAS Haleakala (May 20.42-44p4)
L4088 214088 2004 JN13 from La Palma/code "=" (38) (2019 Dec. 2.06-07p3)
L0012 210012 2006 KT1 from PS2 (May 21.27-30p4)
K3217 203217 2001 FX9 from PS2 (May 20.41-44p6)
J2563 192563 1998 WZ6 from ATLAS Haleakala (May 20.59-62p4)
I9973 189973 2003 XE11 from PS2 (May 20.36-40p4)
I9058 189058 2000 UT16 from PS1 (May 21.28-31p4)
I4990 184990 2006 KE89 from Landehen Obs. (May 18.94-96p3)
H5189 175189 2005 EC224 from AHS Obs. (May 21.21-22p2)
G4400 164400 2005 GN59 from PS2 (May 20.36-40p4)
G3243 163243 2002 FB3 from MASTER-II Sutherland (May 19.78-79p2)
G2195 162195 1999 RK45 from PS1 (May 4.59-60p3)
G2004 162004 1991 VE from PS2 (Jan. 23.25-26p2 & 27.23-26p4)
F9929 159929 2005 UK from ATLAS Mauna Loa (May 20.27-31p4)
F9608 159608 2002 AC2 from ATLAS Mauna Loa (May 20.54-55p3)
F5341 155341 2006 SA218 from MLS (May 20.42-43p3)
F5140 155140 2005 UD from CSS (2019 Oct. 30.36p1)
F4589 154589 2003 MX2 from PS2 (May 20.36-40p4)
F4278 154278 2002 TB9 from CSS (May 20.14-16p4)
E2555 142555 2002 TB58 from Geyserland Obs. (May 20.47-48p2)
E1531 141531 2002 GB from ATLAS Haleakala (May 20.38-40p4)
E1053 141053 2001 XT1 from ATLAS Haleakala (May 20.36-38p3)
D8911 138911 2001 AE2 from ATLAS Haleakala (May 20.48-51p4)
D8847 138847 2000 VE62 from MLS (May 20.16-18p3) and ATLAS Mauna Loa (May 20.26-28p4)
D7199 137199 1999 KX4 from program code 1 via Kuban State Univ. Obs. (May 20.80-84p15) and AHS Obs. (May 21.18-19p4)
D7170 137170 1999 HF1 from CSS (May 20.42-43p4) and ATLAS Mauna Loa (May 20.58-61p4)
D7064 137064 1998 WP5 from ATLAS Haleakala (May 20.33-35p4) and Geyserland Obs. (May 20.44-46p3)
D6923 136923 1998 JH2 from ATLAS Haleakala (May 20.38-40p4)
D6874 136874 1998 FH74 from AHS Obs. (May 21.26p2)
B5052 115052 2003 RD6 from CSS (May 20.21-23p4)
A6589 106589 2000 WN107 from Landehen Obs. (May 18.90-93p5)
99935 99935 2002 AV4 from ATLAS Haleakala (May 20.30-32p4)
89830 89830 2002 CE from CSS (May 20.21-23p4)
89136 89136 2001 US16 from Mauna Kea (2019 Nov. 28.63-65p5 at r=22.6-23.4)
86667 86667 2000 FO10 from CSS (May 20.26-27p4) and ATLAS Mauna Loa (May 20.32-35p4)
85628 85628 1998 KV2 from AHS Obs. (May 21.21-22p2)
85275 85275 1994 LY from MASTER OAFA Obs. (May 20.33p1) and ATLAS Mauna Loa (May 20.47p3)
85184 85184 1991 JG1 from PS1 (May 12.34-38p4), CSS (May 20.33-34p4), ATLAS Mauna Loa (May 20.38-39p4), and AHS Obs. (May 21.16-17p3)
68350 68350 2001 MK3 from CSS (May 20.35-37p4) and ATLAS Mauna Loa (May 20.42-44p4)
66251 66251 1999 GJ2 from PS2 (May 21.27-30p4)
65909 65909 1998 FH12 from PS2 (May 20.42-43p2)
54401 54401 2000 LM from ATLAS Haleakala (May 20.34-36p4) and Geyserland Obs. (May 20.51-53p3)
36183 36183 1999 TX16 from ATLAS Haleakala (May 20.45-49p4)
35107 35107 1991 VH from CSS (May 20.21-23p4) and ATLAS Mauna Loa (May 20.30-33p4)
25330 25330 1999 KV4 from CSS (May 20.15-16p3)
20460 20460 Robwhiteley (1999 LO28) from CSS (May 20.44-45p3)
20255 20255 1998 FX2 from CSS (May 20.19-21p4)
19764 19764 2000 NF5 from ATLAS Haleakala (May 20.58-61p4)
11405 11405 1999 CV3 from CSS (May 20.15-16p4)
11311 11311 Peleus (1993 XN2) from PS2 (May 21.27-30p4)
09400 9400 1994 TW1 from CSS (May 20.17-19p4) and ATLAS Mauna Loa (May 20.24-26p4)
09162 9162 Kwiila (1987 OA) from PS1 (May 20.58-60p4)
08014 8014 1990 MF from ATLAS Haleakala (May 20.41-43p4)
07753 7753 1988 XB from PS2 (May 20.31-35p4)
06569 6569 Ondaatje (1993 MO) from MASTER-II Sutherland (May 20.02p2) and ATLAS Mauna Loa (May 20.50-51p3)
06050 6050 Miwablock (1992 AE) from PS2 (May 20.42-45p4) and ATLAS Haleakala (May 20.45-50p4)
05751 5751 Zao (1992 AC) from ATLAS Haleakala (May 20.58-61p4)
05626 5626 1991 FE from ATLAS Mauna Loa (May 20.25-27p4)
04954 4954 Eric (1990 SQ) from ATLAS Haleakala (May 20.34-36p4)
04055 4055 Magellan (1985 DO2) from ATLAS Mauna Loa (May 20.56-58p4)
03838 3838 Epona (1986 WA) from SATINO-1 (Feb. 14.77-79p3)
02101 2101 Adonis (1936 CA) from PS1 (May 18.58-60p4)
01864 1864 Daedalus (1971 FA) from CSS (May 20.17-18p3)
01685 1685 Toro (1948 OA) from ATLAS Haleakala (May 20.58-61p4)
01627 1627 Ivar (1929 SH) from MASTER-II Sutherland (May 19.73-74p2), CSS (May 20.17-18p4), and ATLAS Mauna Loa (May 20.24-27p8)

MPEC 2020-K104 - "11:56 UT" - 2020 KG2

K20K02G 2020 KG2 (small asteroid, i=45.3°, H=22.1 ~129m) was picked up at 0509 UT on 19 May by MLS, observing it at May 19.22-23p4. This detection was confirmed by CSS-Kuiper (May 19.30-31p4 at G=20.9-22.6, 20.15-16p4 at G=21.1-4 & 21.15-16p4 at G=20.9-21.5) and Farpoint Obs. (May 20.12-14p4 at G=20.8-22.4).

MPEC 2020-K103 - "11:54 UT" - 2020 KF2

K20K02F 2020 KF2 (small asteroid, H=26.2 ~19m) was picked up at 0759 UT on 20 May by MLS, observing it at May 20.33-35p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 20.43p4 & 21.33p4), PS1 (May 20.47-49p3), Schwarzschild Obs. (May 20.93-94p6), Visnjan Obs. (May 21.00-01p3), St. Pardon de Conques Obs. (May 21.02-03p3), Great Shefford Obs. (May 21.06-07p3), and Sandlot Obs. (May 21.22-25p3).

MPEC 2020-K102 - "11:53 UT" - 2020 JL3

K20J03L 2020 JL3 (H=21.7 ~155m) was picked up at 0833 UT on 15 May by PS1, observing it at May 15.36-39p3 and 20.33-35p3. This detection was confirmed by Steward Mt. Lemmon Sta. (May 21.15-16p4) and Pittichova/Table Mtn. (May 21.28-30p2).

MPEC 2020-K101 - "11:51 UT" - 2020 KE2

K20K02E 2020 KE2 (small asteroid, Q=4.406 AU, H=23.3 ~74m) was picked up at 1159 UT on 19 May by PS1, observing it at May 17.38-41p2 and 19.50-54p4. This detection was confirmed by Visnjan Obs. (May 19.99-00p4), St. Pardon de Conques Obs. (May 20.03-04p3), Steward Mt. Lemmon Sta. (May 20.27p4), MLS (May 20.35-37p4), Pittichova/Table Mtn. (May 20.42-44p2), and Schwarzschild Obs. (May 20.94-95p3 at V=22.5-7).

MPEC 2020-K100 - "11:49 UT" - 2020 KD2

K20K02D 2020 KD2 (H=21.3 ~186m) was picked up at 0538 UT on 19 May by CSS, observing it at May 19.23-25p3. This detection was confirmed by Steward Mt. Lemmon Sta. (May 19.30p4, 20.15p4 & 21.16p4), St. Pardon de Conques Obs. (May 19.88p3), Schiaparelli Obs. (May 19.88-89p2), Calar Alto Schmidt (May 19.89-90p4), Great Shefford Obs. (May 19.92-93p3 & 20.94-95p4), Visnjan Obs. (May 19.96p4), Sandlot Obs. (May 20.11-12p3), Farpoint Obs. (May 20.16-18p4), Tebbutt Obs. (May 20.16-20p3), Schwarzschild Obs. (May 20.86p3), Dettelbach Vineyard Obs. (May 20.88-89p2), and Pittichova/Table Mtn. (May 21.20p2).

MPEC 2020-K99 - "11:48 UT" - 2020 JK3

K20J03K 2020 JK3 (small asteroid, H=26.1 ~20m) was picked up at 0722 UT on 15 May by PS1, observing it at April 22.28-32p3 at G=22.6-23.1, 26.32-36p4 at G=22.0-22.9, May 15.31-33p3 at w=21.37-44, and 20.33-36p4 at w=21.06-70. This detection was confirmed by R. Wainscoat/Mauna Kea (May 16.49p2) and Steward Mt. Lemmon Sta. (May 21.21-22p4).

MPEC 2020-K98 - "09:35 UT" - 2020 KC2

K20K02C 2020 KC2 (small asteroid, H=23.4 ~71m) was picked up at 1122 UT on 20 May by PS1, observing it at May 17.38-41p4 at G=21.1-8, 17.50-53p2 at G=21.8-22.4, and 20.47-50p3 at w=21.88-22.60. This detection was confirmed by CSS-Kuiper (May 21.22-23p4 at G=21.9-22.3) and R. Wainscoat/Mauna Kea (May 21.28p3).

MPEC 2020-K97 - "09:31 UT" - 2020 KB2

K20K02B 2020 KB2 (small asteroid, H=24.6 ~41m) was picked up at 1114 UT on 20 May by PS1, observing it at May 17.47-52p5 and 20.47-50p3. This detection was confirmed by Schwarzschild Obs. (May 20.93p3), Visnjan Obs. (May 20.97-98p3), St. Pardon de Conques Obs. (May 20.99-01p2), and Steward Mt. Lemmon Sta. (May 21.36-37p4).

MPEC 2020-K96 - "09:09 UT" - 2020 KA2

K20K02A 2020 KA2 (small asteroid, i=37.0°, H=22.8 ~93m) was picked up at 0930 UT on 18 May by MLS, observing it at May 18.40-41p4 and 18.47p3. This detection was confirmed by PS1 (May 15.49-52p3 at G=21.9-22.4 & 16.53-57p3 at G=21.8-22.6), CSS-Kuiper (May 19.27-29p4 at G=21.2-7 & 20.34-35p4 at G=21.6-22.2), PS2 (May 19.53-56p3), and Schwarzschild Obs. (May 20.95-96p3).

MPEC 2020-K95 - "02:23 UT" - 2020 KZ1

K20K01Z 2020 KZ1 (i=36.2°, H=21.1 ~204m) was picked up at 0752 UT on 19 May by PS1, observing it at May 15.36-37p2 and 19.33-37p3. This detection was confirmed by Steward Mt. Lemmon Sta. (May 20.17-18p4), Farpoint Obs. (May 20.26-27p4), Pittichova/Table Mtn. (May 20.29-31p2), R. Wainscoat/Mauna Kea (May 20.29-30p3), PS2 (May 20.37-40p2), Mt. John Obs. (May 20.45-46p4), St. Pardon de Conques Obs. (May 20.89-90p2), Schwarzschild Obs. (May 20.90p3), and Visnjan Obs. (May 20.92-93p4).

MPEC 2020-K94 - "01:54 UT" - 2020 KY1

K20K01Y 2020 KY1 (small asteroid, Q=4.002 AU, H=23.6 ~65m) was picked up at 0949 UT on 19 May by MLS, observing it at May 19.41-43p3 and 20.40-41p4. This detection was confirmed by CSS-Kuiper (May 19.46p4), Schwarzschild Obs. (May 20.97-98p4), Visnjan Obs. (May 21.04-05p5), and St. Pardon de Conques Obs. (May 21.05p3).

MPEC 2020-K93 - "01:51 UT" - 2020 KX1

K20K01X 2020 KX1 (small asteroid, H=24.6 ~41m) was picked up at 0628 UT on 20 May by MLS, observing it at May 20.27-29p4. This detection was confirmed by PS2 (May 19.26-29p3), Steward Mt. Lemmon Sta. (May 20.36p4), Schwarzschild Obs. (May 20.86-87p3), Visnjan Obs. (May 20.91-92p5), St. Pardon de Conques Obs. (May 20.98p3), and Great Shefford Obs. (May 20.99-00p3).

MPEC 2020-K92 - "01:18 UT" - Comet P/2020 F1 = P/2002 E4 (Leonard)

PK20F010 P/2020 F1 (q=3.983 AU, Q=9.670 AU, TP=2019 Aug. 29.16090 TT) from the Sloan Digital Sky Survey (SDSS) (2002 March 5.25p4), the Spacewatch 0.9m telescope (2002 March 9.40-44p3), and NEAT's Mt. Palomar telescope (2002 March 11.35-37p3, 2002 March 12.26p1, 2002 March 12.33p1 & 2002 March 12.40p1)

Observers on 21 May '20

A total of 60 observers appear in today's MPECs.

Code	Observer / observatory
`U71`	AHS Obs., 5 in MPEC 2020-K105 -- 85628, 85184, 175189, 137199, 136874
`B37`	Ametlla del Valles Obs. in Spain, 2 in MPECs 2020-K107 & 2020-K110 -- C/2020 H8, C/2020 H7
`H21`	Astronomical Research Obs. Westfield in Illinois, 2 in MPECs 2020-K107 & 2020-K110 -- C/2020 H8, C/2020 H7
`T05`	ATLAS Haleakala in Hawaii, 32 in MPEC 2020-K105 -- 2020 JV, 2020 HT2, 2020 FH6, 2020 BO5, 2019 UO9, 2016 FY14, 2013 XA22, 2004 LU3, 2002 XQ40, 2000 KA, 99935, 54401, 495615, 438908, 433992, 420302, 36183, 349063, 267494, 218863, 19764, 192563, 141531, 141053, 138911, 137064, 136923, 8014, 6050, 5751, 4954, 1685
`T08`	ATLAS Mauna Loa in Hawaii, 27 in MPEC 2020-K105 -- 2020 KS, 2020 JY1, 2020 JE1, 2020 JD, 2020 HG9, 2020 FW3, 2010 EC135, 86667, 85275, 85184, 68350, 513170, 477885, 436030, 35107, 333555, 318050, 308242, 159929, 159608, 138847, 137170, 9400, 6569, 5626, 4055, 1627
`B96`	Brixiis Obs. in Belgium, 3 in MPECs 2020-K107, 2020-K110 & 2020-K111 -- C/2020 K1, C/2020 H8, C/2020 H7
`Z84`	Calar Alto Schmidt in Spain, 1 in MPEC 2020-K100 -- 2020 KD2
`703`	Catalina Sky Survey (CSS) in Arizona, 27 in MPECs 2020-K100 & 2020-K105 -- 2020 KD2, 2020 JG2, 2020 FW3, 89830, 86667, 85184, 68350, 524530, 522684, 511523, 510073, 436030, 425450, 35107, 333555, 25330, 242216, 20460, 20255, 155140, 154278, 137170, 115052, 11405, 9400, 1864, 1627
`V06`	Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 14 in MPECs 2020-K94, 2020-K96, 2020-K98, 2020-K104, 2020-K105 & 2020-K108 -- 2020 KY1, 2020 KY, 2020 KW, 2020 KT, 2020 KM2, 2020 KG2, 2020 KC2, 2020 KA2, 2020 KA1, 2020 JZ2, 2020 JG1, 2015 RG36, 2015 FO124, 2013 TV144
`K87`	Dettelbach Vineyard Obs. in Germany, 6 in MPECs 2020-K100, 2020-K105, 2020-K110 & 2020-K111 -- 2020 KS, 2020 KD2, C/2020 K1, 2020 JX, C/2020 H8, 2020 FW3
`734`	Farpoint Obs. in Kansas, 3 in MPECs 2020-K95, 2020-K100 & 2020-K104 -- 2020 KZ1, 2020 KG2, 2020 KD2
`595`	Farra d'Isonzo Obs. in Italy, 2 in MPEC 2020-K105 -- 2020 JY1, 2013 XA22
`F65,`	program code "," (21) via Faulkes Telescope North in Hawaii, 2 in MPECs 2020-K110 & 2020-K111 -- C/2020 K1, C/2020 H8
`F652`	Lothar Kurtze in Germany via Faulkes Telescope North in Hawaii, 2 in MPECs 2020-K107 & 2020-K110 -- C/2020 H8, C/2020 H7
`E89`	Geyserland Obs. in New Zealand, 3 in MPEC 2020-K105 -- 54401, 142555, 137064
`J95`	Great Shefford Obs. in England, 7 in MPECs 2020-K93, 2020-K100, 2020-K103, 2020-K105, 2020-K107 & 2020-K110 -- 2020 KX1, 2020 KP1, 2020 KP, 2020 KF2, 2020 KD2, C/2020 H8, C/2020 H7
`A17`	Guidestar Obs. in Germany, 1 in MPEC 2020-K111 -- C/2020 K1
`U695`	Hidetaka Sato in Japan via iTelescope Obs. Auberry in northern California, 1 in MPEC 2020-K107 -- C/2020 H7
`H06\|`	Hidetaka Sato in Japan via iTelescope Obs. Mayhill in New Mexico, 2 in MPECs 2020-K110 & 2020-K111 -- C/2020 K1, C/2020 H8
`695`	Kitt Peak Natl. Obs. in Arizona, 1 in MPEC 2020-K105 -- 2020 AV2
`246`	KLENOT in the Czech Republic, 3 in MPECs 2020-K107, 2020-K110 & 2020-K111 -- C/2020 K1, C/2020 H8, C/2020 H7
`C401`	program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-K105 -- 137199
`950=`	program code "=" (38) via La Palma in the Canary Islands, 3 in MPEC 2020-K105 -- 354030, 243025, 214088
`950>`	program code ">" (39) via La Palma in the Canary Islands, 1 in MPEC 2020-K105 -- 2019 PK
`Z43`	Landehen Obs., 2 in MPEC 2020-K105 -- 184990, 106589
`K38`	M57 Obs. in Italy, 3 in MPEC 2020-K105 -- 2020 KS, 2020 JY1, 2013 XA22
`C10`	Maisoncelles Obs. in France, 2 in MPECs 2020-K110 & 2020-K111 -- C/2020 K1, C/2020 H8
`Z22`	MASTER IAC Obs. in the Canary Islands, 1 in MPEC 2020-K105 -- 2017 ME
`W92`	MASTER OAFA Obs., 1 in MPEC 2020-K105 -- 85275
`K95`	MASTER-II Sutherland in South Africa, 3 in MPEC 2020-K105 -- 163243, 6569, 1627
`568`	Mauna Kea in Hawaii, 1 in MPEC 2020-K105 -- 89136
`568^`	R. Wainscoat on Mauna Kea in Hawaii, 8 in MPECs 2020-K95, 2020-K98, 2020-K99, 2020-K106, 2020-K108, 2020-K109, 2020-K110 & 2020-K111 -- 2020 KZ1, 2020 KN2, 2020 KM2, 2020 KJ2, 2020 KC2, C/2020 K1, 2020 JK3, C/2020 H8
`B67`	Mirasteilas Obs. in Switzerland, 3 in MPEC 2020-K105 -- 2020 HV9, 2020 FW3, 2013 XA22
`118`	Modra Obs. in Slovakia, 2 in MPECs 2020-K107 & 2020-K110 -- C/2020 H8, C/2020 H7
`V01`	Mountainville Obs. in Utah, 1 in MPEC 2020-K105 -- 2020 JY1
`474`	Mt. John Obs. in New Zealand, 8 in MPECs 2020-K95 & 2020-K105 -- 2020 KZ1, 2020 KP1, 2020 KN, 2020 JZ1, 2020 JZ, 2020 JX1, 2020 JV, 2020 JM1
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 29 in MPECs 2020-K93, 2020-K94, 2020-K96, 2020-K101, 2020-K103, 2020-K104, 2020-K105, 2020-K107 & 2020-K110 -- 2020 KY1, 2020 KX1, 2020 KV1, 2020 KG2, 2020 KF2, 2020 KE2, 2020 KA2, 2020 JT, 2020 JG1, 2020 JD, 2020 HS8, 2020 HR9, C/2020 H8, C/2020 H7, 2018 DN1, 2010 EC135, 2005 HN3, 2003 OA3, 2002 SQ, 520862, 399325, 380929, 318050, 285110, 275714, 238456, 237551, 155341, 138847
`644`	NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2020-K92 -- P/2020 F1
`Z80`	Northolt Branch Obs. in England, 4 in MPEC 2020-K105 -- 2020 JY1, 2013 XA22, 2000 KA, 477885
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 42 in MPECs 2020-K95, 2020-K96, 2020-K97, 2020-K98, 2020-K99, 2020-K101, 2020-K102, 2020-K103, 2020-K105, 2020-K106, 2020-K107 & 2020-K108 -- 2020 KZ1, 2020 KY1, 2020 KM2, 2020 KJ2, 2020 KF2, 2020 KE2, 2020 KC2, 2020 KB2, 2020 KA2, 2020 JZ, 2020 JR, 2020 JL3, 2020 JK3, 2020 HR9, 2020 HG6, C/2020 H7, 2020 GD2, 2019 WB6, 2015 VU142, 2015 TX143, 2007 HX82, 2002 JQ100, 85184, 539856, 538644, 495891, 494880, 438908, 418416, 414903, 399325, 361518, 354952, 351340, 330825, 265196, 249595, 228587, 189058, 162195, 9162, 2101
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 39 in MPECs 2020-K93, 2020-K95, 2020-K96, 2020-K105, 2020-K106, 2020-K107, 2020-K108, 2020-K109, 2020-K110 & 2020-K111 -- 2020 KZ1, 2020 KX1, 2020 KP1, 2020 KN2, 2020 KM2, 2020 KJ2, 2020 KA2, C/2020 K1, 2020 JX, 2020 JP1, 2020 HH3, C/2020 H8, C/2020 H7, 2019 XG1, 2018 GX4, 2017 MU7, 2013 XA22, 2009 QD34, 2006 KQ21, 2004 FF29, 1998 HN3, 66251, 65909, 525498, 510262, 510073, 477885, 471034, 438908, 361518, 210012, 203217, 189973, 164400, 162004, 154589, 11311, 7753, 6050
`B49`	Paus Obs. in Spain, 1 in MPEC 2020-K107 -- C/2020 H7
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 12 in MPEC 2020-K105 -- 2020 JY1, 2020 JD, 2020 FW3, 2018 GX4, 2015 TX143, 2013 XA22, 2013 ON5, 2010 EC135, 2004 FF29, 2002 VR85, 2000 KA, 1998 HN3
`6581`	Dave Balam via Plaskett 1.8m Telescope in British Columbia, 2 in MPECs 2020-K107 & 2020-K110 -- C/2020 H8, C/2020 H7
`A48`	Povegliano Veronese Obs. in Italy, 1 in MPEC 2020-K105 -- 2020 JY1
`H36`	Sandlot Obs. in Kansas, 4 in MPECs 2020-K100, 2020-K103, 2020-K107 & 2020-K110 -- 2020 KF2, 2020 KD2, C/2020 H8, C/2020 H7
`C95`	SATINO-1 in France, 1 in MPEC 2020-K105 -- 3838
`204`	Schiaparelli Obs. in Italy, 2 in MPECs 2020-K100 & 2020-K111 -- 2020 KD2, C/2020 K1
`033`	Schwarzschild Obs. in Germany, 19 in MPECs 2020-K93, 2020-K94, 2020-K95, 2020-K96, 2020-K97, 2020-K100, 2020-K101, 2020-K103, 2020-K105, 2020-K106 & 2020-K109 -- 2020 KZ1, 2020 KY1, 2020 KX1, 2020 KU, 2020 KS, 2020 KQ, 2020 KP1, 2020 KN2, 2020 KJ2, 2020 KJ, 2020 KF2, 2020 KE2, 2020 KD2, 2020 KB2, 2020 KA2, 2020 JY1, 2020 JR1, 2020 JH2, 2020 JG2
`645`	Sloan Digital Sky Survey in New Mexico, 1 in MPEC 2020-K92 -- P/2020 F1
`G40,`	program code "," (21) via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-K105 -- 438908
`587`	Sormano Obs. in Italy, 1 in MPEC 2020-K111 -- C/2020 K1
`L06`	Sormano2 Obs. in Italy, 1 in MPEC 2020-K111 -- C/2020 K1
`691`	Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2020-K92 -- P/2020 F1
`I93`	St. Pardon de Conques Obs. in France, 14 in MPECs 2020-K93, 2020-K94, 2020-K95, 2020-K97, 2020-K100, 2020-K101, 2020-K103, 2020-K105, 2020-K107, 2020-K109, 2020-K110 & 2020-K111 -- 2020 KZ1, 2020 KY1, 2020 KX1, 2020 KW1, 2020 KV1, 2020 KP1, 2020 KN2, 2020 KF2, 2020 KE2, 2020 KD2, 2020 KB2, C/2020 K1, C/2020 H8, C/2020 H7
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 26 in MPECs 2020-K93, 2020-K95, 2020-K97, 2020-K99, 2020-K100, 2020-K101, 2020-K102, 2020-K103, 2020-K105, 2020-K107, 2020-K109, 2020-K110 & 2020-K111 -- 2020 KZ1, 2020 KZ, 2020 KX1, 2020 KU, 2020 KS, 2020 KN2, 2020 KM1, 2020 KM, 2020 KJ, 2020 KF2, 2020 KE2, 2020 KD2, 2020 KD1, 2020 KB2, C/2020 K1, 2020 JY1, 2020 JX1, 2020 JR1, 2020 JO1, 2020 JL3, 2020 JK3, 2020 JH2, 2020 JE1, C/2020 H8, C/2020 H7, 433992
`673!`	Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 7 in MPECs 2020-K95, 2020-K100, 2020-K101, 2020-K102, 2020-K105, 2020-K107 & 2020-K110 -- 2020 KZ1, 2020 KE2, 2020 KD2, 2020 KB2, 2020 JL3, C/2020 H8, C/2020 H7
`858`	Tebbutt Obs. in New Mexico, 2 in MPECs 2020-K100 & 2020-K110 -- 2020 KD2, C/2020 H8
`A16`	Tentlingen Obs. in Switzerland, 3 in MPEC 2020-K105 -- 2020 HT2, 2020 FW3, 2010 EC135
`I76`	Tesla Obs. in Spain, 1 in MPEC 2020-K105 -- 2000 KA
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-K105 -- 2015 OV
`L01`	Visnjan Obs. in Croatia, 12 in MPECs 2020-K93, 2020-K94, 2020-K95, 2020-K97, 2020-K100, 2020-K101, 2020-K103, 2020-K105, 2020-K107, 2020-K109, 2020-K110 & 2020-K111 -- 2020 KZ1, 2020 KY1, 2020 KX1, 2020 KP1, 2020 KN2, 2020 KF2, 2020 KE2, 2020 KD2, 2020 KB2, C/2020 K1, C/2020 H8, C/2020 H7
`C51`	WISE in Earth polar orbit, 2 in MPEC 2020-K105 -- 2020 JU, 2020 HL7

For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring on 21 May '20

**Summary Risk Table for Risk Assessments Updated Today** (last checks: NEODyS at 2358 UTC)
See the CRT page for a list of all objects rated recently as risks and our ephemerides page for a list of risk-listed objects under current observation.
The time horizon for JPL and NEODyS listings is 100 years, and both post impact solutions beyond that for some special objects.
For the latest official risk assessments, and for explanations of the terminology, see the NASA/JPL Sentry and NEODyS CLOMON2 risk pages.
0000NNN000 Object	Risk Monitor	When Noted UTC	0000T0000 Year Range	VI #	000NN00 Prob Cum	T0000 PS Cum	T0000 PS Max	T S	Notes for Today's Latest Risk Assessments

2020 KM1	JPL Sentry	2000	2077-2077	1	1.568e-08	-6.20	-6.20	0	JPL: Computed at 12:24 today Pacific time based on 27 observations spanning 2.9145 days (2020-May-18.23424 to 2020-May-21.1487). Diameter approximately 0.110 km. from weighted mean H=22.45.
2020 KM1	NEODyS	1700	2077	1	6.45e-10	-7.61	-7.61	0	NEODyS: "Based on 27 optical observations (of which 0 are rejected as outliers) from 2020-05-18.235 to 2020-05-21.150."

2020 KD1	JPL Sentry	2000	2042-2061	2	2.6711e-07	-7.69	-7.74	0	JPL: Computed at 12:28 today Pacific time based on 38 observations spanning 2.8716 days (2020-May-18.33002 to 2020-May-21.20165). Diameter approximately 0.009 km. from weighted mean H=27.79.
2020 KD1	NEODyS	1700	2042-2061	2	4.53e-07	-7.47	-7.5	0	NEODyS: "Based on 38 optical observations (of which 0 are rejected as outliers) from 2020-05-18.331 to 2020-05-21.202."

2020 KW	JPL Sentry	2000	R E M O V E D						JPL: Risk listing removed at 1938 UTC today

2020 KU	JPL Sentry	2000	2070-2114	24	0.000327369507	-5.44	-5.76	0	JPL: Computed at 12:35 today Pacific time based on 38 observations spanning 3.8704 days (2020-May-17.330559 to 2020-May-21.20099). Diameter approximately 0.007 km. from weighted mean H=28.48.
2020 KU	NEODyS	1700	2070-2118	39	1.38e-04	-5.84	-6.08	0	NEODyS: "Based on 39 optical observations (of which 1 are rejected as outliers) from 2020-05-17.331 to 2020-05-21.202."

2020 KS	JPL Sentry	2000	2064-2119	21	2.6768637e-05	-5.12	-5.33	0	JPL: Computed at 12:34 today Pacific time based on 68 observations spanning 4.7059 days (2020-May-16.491732 to 2020-May-21.19765). Diameter approximately 0.025 km. from weighted mean H=25.67.
2020 KS	NEODyS	1700	2055-2118	45	1.05e-05	-5.51	-5.93	0	NEODyS: "Based on 68 optical observations (of which 2 are rejected as outliers) from 2020-05-16.493 to 2020-05-21.198."

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" to learn more.

Chronology on 21 May '20

Times are UTC for when items were noted or added by The Tracking News.

2358	Grabbed MPEC 2020-K108 - 2020 KM2 - see above Grabbed MPEC 2020-K109 - 2020 KN2 - see above Grabbed MPEC 2020-K110 - Comet C/2020 H8 (Panstarrs) - see above Grabbed MPEC 2020-K111 - Comet C/2020 K1 (Panstarrs) - see above
2240	Grabbed MPEC 2020-K107 - Comet C/2020 H7 (Lemmon) - see above
2000	Noted that JPL Sentry has updated its 2020 KD1 risk assessment - see above Noted that JPL Sentry has updated its 2020 KM1 risk assessment - see above Noted that JPL Sentry has updated its 2020 KS risk assessment - see above Noted that JPL Sentry has updated its 2020 KU risk assessment - see above Noted that JPL Sentry has removed 2020 KW as an impact risk - see above
1734	Grabbed MPEC 2020-K106 - 2020 KJ2 - see above
1700	Noted that NEODyS has updated its 2020 KD1 risk assessment - see above Noted that NEODyS has updated its 2020 KM1 risk assessment - see above Noted that NEODyS has updated its 2020 KS risk assessment - see above Noted that NEODyS has updated its 2020 KU risk assessment - see above Grabbed MPEC 2020-K96 - 2020 KA2 - see above Grabbed MPEC 2020-K97 - 2020 KB2 - see above Grabbed MPEC 2020-K98 - 2020 KC2 - see above Grabbed MPEC 2020-K99 - 2020 JK3 - see above Grabbed MPEC 2020-K100 - 2020 KD2 - see above Grabbed MPEC 2020-K101 - 2020 KE2 - see above Grabbed MPEC 2020-K102 - 2020 JL3 - see above Grabbed MPEC 2020-K103 - 2020 KF2 - see above Grabbed MPEC 2020-K104 - 2020 KG2 - see above Grabbed MPEC 2020-K105 - Daily Orbit Update - see above
0420	Grabbed MPEC 2020-K92 - Comet P/2020 F1 = P/2002 E4 (Leonard) - see above Grabbed MPEC 2020-K93 - 2020 KX1 - see above Grabbed MPEC 2020-K94 - 2020 KY1 - see above Grabbed MPEC 2020-K95 - 2020 KZ1 - see above

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