2020-05-17 Tracking News

Contents on 17 May '20

IAU Minor Planet Center
- NEOCP Activity -- 118 listings
- New MPECs -- 20 MPECs
Observers -- 33 observers
Impact Risk Monitoring -- two objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1135 risk-listed objects, 68 have had news in the last 31 days. Updated at 1735 UTC on 17 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 17 May '20

The MPC's NEO Confirmation Page has 118 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 118 objects listed. Of these, 67 were "one nighters." So far The Tracking News has counted a total of 144 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 17 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-K08 time-stamped "05:26 UT" - 2020 JW1 - see below
MPEC 2020-K09 time-stamped "05:29 UT" - 2020 JZ1 - see below
MPEC 2020-K10 time-stamped "07:07 UT" - 2020 JD2 - see below
MPEC 2020-K11 time-stamped "07:10 UT" - 2020 JE2 - see below
MPEC 2020-K12 time-stamped "07:12 UT" - 2020 JF2 - see below
MPEC 2020-K13 time-stamped "07:25 UT" - 2020 JG2 - see below
MPEC 2020-K14 time-stamped "07:27 UT" - 2020 JH2 - see below
MPEC 2020-K15 time-stamped "07:28 UT" - 2020 JJ2 - see below
MPEC 2020-K16 time-stamped "07:30 UT" - 2020 JK2 - see below
MPEC 2020-K17 time-stamped "08:37 UT" - 2020 JL2 - see below
MPEC 2020-K18 time-stamped "08:38 UT" - 2020 JM2 - see below
MPEC 2020-K19 time-stamped "11:46 UT" - 2020 KA - see below
MPEC 2020-K20 time-stamped "11:49 UT" - 2020 JN2 - see below
MPEC 2020-K21 time-stamped "12:10 UT" - Daily Orbit Update - see below
MPEC 2020-K22 time-stamped "15:00 UT" - 2015 CT58 - see below
MPEC 2020-K23 time-stamped "15:01 UT" - 2015 YC2 - see below
MPEC 2020-K24 time-stamped "20:27 UT" - 2020 HO10 - see below
MPEC 2020-K25 time-stamped "20:59 UT" - 2020 KB - see below
MPEC 2020-K26 time-stamped "21:05 UT" - 2020 JP2 - see below
MPEC 2020-K27 time-stamped "21:12 UT" - 2020 JQ2

MPEC 2020-K27 - "21:12 UT" - 2020 JQ2

K20J02Q 2020 JQ2 (small asteroid, H=25.7 ~25m) was picked up at 0732 UT on 15 May by the Mt. Lemmon Survey (MLS), observing it at May 15.31-33p4 at G=21.3-22.1 and 16.27p3 at G=21.4-9. This detection was confirmed by the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (May 15.45-46p3), Schwarzschild Obs. (May 15.99-00p3 at V=22.0-22.2), and Pan-STARRS 1 (PS1) (May 17.33-37p4).

MPEC 2020-K26 - "21:05 UT" - 2020 JP2

K20J02P 2020 JP2 (small asteroid, Earth MOID=8.9 LD, H=26.2 ~19m) was picked up at 0835 UT on 13 May by Pan-STARRS 2 (PS2), observing it at May 13.36-39p4 at w=21.67-22.25. This detection was confirmed by PS1 (May 16.32-36p3) and Steward Obs. Mt. Lemmon Station (May 17.37p4).

MPEC 2020-K25 - "20:59 UT" - 2020 KB

K20K00B 2020 KB (small asteroid, Earth MOID=7.0 LD, H=24.7 ~39m) was picked up at 0954 UT on 16 May by PS2, observing it at May 13.35-39p4 and 16.41-45p3. This detection was confirmed by MLS (May 14.25-26p4), Steward Mt. Lemmon Sta. (May 17.22-24p4), and Mt. John Obs. (May 17.40p4).

MPEC 2020-K24 - "20:27 UT" - 2020 HO10

K20H10O 2020 HO10 (H=21.58 ~164m) was picked up at 0831 UT on 22 April by PS2, observing it at April 22.35-42p8 and 30.37p1. This detection was confirmed by MLS (April 29.33-35p4 & May 17.31-32p4), PS1 (May 11.42-45p3 & 13.46-50p4), and Steward Mt. Lemmon Sta. (May 17.43-45p4).

MPEC 2020-K23 - "15:01 UT" - 2015 YC2

K15Y02C 2015 YC2 (risk listed, Q=4.311 AU, Earth MOID=2.4 LD, H=23.3 ~74m, close passer) from UH/Tholen NEO Follow-Up 2.24m Telescope (Jan. 30.24p1 at G=24.62) and UH/Tholen NEO Follow-Up CFH Telescope (May 16.61p6)

MPEC 2020-K22 - "15:00 UT" - 2015 CT58

K15C58T 2015 CT58 (H=20.9 ~224m) from Tholen 2.24m (2016 Sept. 29.43p1 at G=24.67, 2019 Sept. 25.56-60p4 at G=24.24-67 & 2019 Sept. 26.54-56p2 at G=24.32-42)

<< DOU on 17 May '20 >> MPEC 2020-K21 - "12:10 UT" - Daily Orbit Update

Observations of recently (no longer) risk-listed objects
K20J00P 2020 JP (Q=5.531 AU, arc=13 days, H=20.9 ~224m) from Guidestar Obs. (May 17.06-08p3)
Observations of close-passing objects
K20J01Y 2020 JY1 (arc=2 days, H=25.3 ~29m, NHATS target) from Dettelbach Vineyard Obs. (May 16.95-97p3) and the Catalina Sky Survey (CSS) (May 17.33-34p4)
K20J01T 2020 JT1 from Astronomical Research Obs. Westfield (May 16.10p5)
K20J01R 2020 JR1 (arc=3 days, H=27.7 ~10m, NHATS target) from Steward Mt. Lemmon Sta. (May 17.41-42p4)
K20J01Q 2020 JQ1 (q=0.355 AU, arc=2 days, H=26.0 ~21m) from PS2 (May 16.48-50p3)
K20J01L 2020 JL1 (arc=3 days, H=28.3 ~7m) from Schwarzschild Obs. (May 17.04p3)
K20J01K 2020 JK1 (arc=3 days, H=27.6 ~10m, NHATS target) from Guidestar Obs. (May 17.02-04p3), Schwarzschild Obs. (May 17.07-08p3), and Steward Mt. Lemmon Sta. (May 17.38p3)
K20J01B 2020 JB1 (arc=4 days, H=26.4 ~18m, NHATS target) from PS1 (May 16.33-36p4) and Steward Mt. Lemmon Sta. (May 17.39p4)
K20J00Y 2020 JY (arc=5 days, H=24.5 ~43m) from Dettelbach Vineyard Obs. (May 17.05-06p2) and Schwarzschild Obs. (May 17.06p3)
K20J00R 2020 JR (arc=11 days, H=25.0 ~34m, NHATS target) from Transit Dreams Obs. (May 17.18p2)
K14J25O 2014 JO25 (q=0.234 AU, arc=5 opp, H=17.8 ~933m, radar support) from ATLAS Haleakala (May 16.33-38p4)
Observation campaigns (NHATS targets, radar support)
K20J01U 2020 JU1 (arc=3 days, H=24.3 ~47m, NHATS) from Steward Mt. Lemmon Sta. (May 17.39p4)
K20J01G 2020 JG1 (NHATS) from Steward Mt. Lemmon Sta. (May 17.40-41p4)
K20J01E 2020 JE1 (arc=4 days, H=25.1 ~32m, NHATS) from Dettelbach Vineyard Obs. (May 16.87-88p3)
K20B16R 2020 BR16 (arc=144 days, H=24.4 ~45m, NHATS) from PS1 (May 16.32-35p3)
03200 3200 Phaethon (1983 TB) (radar) from SATINO-1 (2019 Nov. 13.90-91p4)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20J01W 2020 JW1 (arc=13 days, H=22.6 ~102m) from ARO Westfield (May 4.29-30p3 at V=22.0-22.6)
K20J01P 2020 JP1 (arc=4 days, H=22.2 ~123m) from Steward Mt. Lemmon Sta. (May 17.38-39p4)
K20J01O 2020 JO1 (arc=4 days, H=24.0 ~54m) from Steward Mt. Lemmon Sta. (May 17.40p4)
K20J01J 2020 JJ1 (i=36.7°, arc=3 days, H=23.3 ~74m) from PS2 (May 16.41-45p4)
K20J00X 2020 JX (arc=5 days, H=23.8 ~59m) from Guidestar Obs. (May 16.98-00p3) and Steward Mt. Lemmon Sta. (May 17.42-43p4)
K20J00B 2020 JB (arc=16 days, H=23.4 ~71m) from Transit Dreams Obs. (May 17.19-20p3)
K20H10H 2020 HH10 (arc=17 days, H=23.6 ~65m) from PS1 (May 16.33-36p2)
K20H09V 2020 HV9 (arc=21 days, H=22.5 ~107m) from PS2 (May 16.47-51p4)
K20H09G 2020 HG9 (arc=18 days, H=23.3 ~74m) from ARO Westfield (May 4.26-27p5 & 9.22-23p6), Northolt Branch Obs. (May 15.93-94p3), Mountainville Obs. (May 16.16-27p4), PS2 (May 16.36-40p4), and Schwarzschild Obs. (May 16.88p3)
K20H09E 2020 HE9 (arc=20 days, H=23.8 ~59m) from Steward Mt. Lemmon Sta. (May 17.42p4 at G=20.8-22.4)
K20H07D 2020 HD7 (arc=25 days, H=25.5 ~27m) from PS2 (May 16.47-50p3)
K20H05X 2020 HX5 (arc=26 days, H=22.5 ~107m) from CSS-Kuiper (May 17.18p4)
K20H05B 2020 HB5 (arc=25 days, H=24.0 ~54m) from CSS-Kuiper (May 17.25-27p4 at G=21.8-22.5)
K20H01K 2020 HK1 (arc=4 days, H=23.6 ~65m) from ARO Westfield (April 20.16-17p2)
K20H06H 2020 HH6 (arc=34 days, H=21.9 ~141m) from MLS (May 16.38-40p4) and PS2 (May 16.56-60p3)
K00K00A 2000 KA (arc=4 opp, H=21.8 ~148m) from JPL SynTrack Robotic Telescope (May 16.21-24p4 & 16.35-36p2), PS2 (May 16.47-51p4), and Saarbruecken Rastpfuhl Obs. (May 16.84-85p2)
Observations of other objects
K20J00V 2020 JV (arc=6 days, H=21.6 ~162m) from ATLAS Haleakala (May 16.35-37p4)
K20J00D 2020 JD (arc=15 days, H=20.0 ~339m) from CSS (May 16.26-27p3)
K20H01F 2020 HF1 (arc=30 days, H=19.1 ~513m) from ATLAS Haleakala (May 16.29-31p4)
K20G03F 2020 GF3 (arc=43 days, H=19.8 ~371m) from ATLAS Haleakala (May 16.32-34p4)
K20F06B 2020 FB6 (arc=53 days, H=20.9 ~224m) from Schwarzschild Obs. (May 17.05p4)
K20F03W 2020 FW3 (arc=56 days, H=21.2 ~195m) from CSS (May 16.35-37p6) and ATLAS Mauna Loa (May 16.44-49p5)
K20B05O 2020 BO5 (arc=117 days, H=21.0 ~214m) from ATLAS Haleakala (May 16.35-37p4)
K19X01G 2019 XG1 (Q=4.163 AU, arc=2 opp, H=19.2 ~490m) from PS2 (May 16.32-36p4)
K19U09O 2019 UO9 (arc=2 opp, H=19.7 ~389m) from ATLAS Haleakala (May 16.29-31p4)
K18B03N 2018 BN3 (arc=5 opp, H=20.4 ~282m) from MLS (May 16.21-22p4)
K17M07U 2017 MU7 (arc=3 opp, H=20.4 ~282m) from PS2 (May 16.37-40p4)
K17F90E 2017 FE90 (arc=3 opp, H=19.7 ~389m) from ARO Westfield (April 10.24-25p5)
K17B32E 2017 BE32 (arc=2 opp, H=19.4 ~446m) from Steward Mt. Lemmon Sta. (May 17.18-19p4)
K16R40F 2016 RF40 (arc=2 opp, H=21.7 ~155m) from ARO Westfield (May 1.11-12p3 at V=22.2-4)
K16J24U 2016 JU24 (arc=3 opp, H=18.5 ~676m) from ARO Westfield (May 4.14-15p3 at V=22.0-22.1)
K16F14Y 2016 FY14 (arc=2 opp, H=19.1 ~513m) from ATLAS Haleakala (May 16.51-53p4)
K15TE3X 2015 TX143 (arc=6 opp, H=19.8 ~371m) from CSS (May 16.28-30p4) and ATLAS Mauna Loa (May 16.38-40p4)
K15FX2P 2015 FP332 (i=36.5°, Q=4.790 AU, arc=5 opp, H=17.3 ~1.17 km) from W.F. Cashwell via Slooh.com Canary Islands Obs. (May 16.01-04p3)
K14H04O 2014 HO4 (arc=4 opp, H=19.3 ~467m) from MLS (May 16.27-29p4)
K13A27O 2013 AO27 (q=0.292 AU, Q=4.531 AU, arc=2 opp, H=19.9 ~355m) from ARO Westfield (April 6.33-34p3)
K10ED5C 2010 EC135 (arc=3 opp, H=20.2 ~309m) from Northolt Branch Obs. (May 15.98-99p3) and ATLAS Mauna Loa (May 16.38-43p4)
K09S19T 2009 ST19 (arc=6 opp, H=18.3 ~741m) from ATLAS Haleakala (May 16.59-61p4)
K09Q34D 2009 QD34 (arc=4 opp, H=18.1 ~812m) from PS1 (May 16.32-36p4)
K07H82X 2007 HX82 (Q=4.101 AU, arc=3 opp, H=20.4 ~282m) from PS2 (May 16.47-49p3)
K06K21Q 2006 KQ21 (arc=4 opp, H=18.5 ~676m) from PS1 (May 16.32-36p4)
K06H00B 2006 HB (arc=4 opp, H=18.8 ~589m) from ATLAS Haleakala (May 16.48-50p4)
K06G02V 2006 GV2 (q=0.335 AU, arc=5 opp, H=19.6 ~407m) from MLS (May 16.20-22p4)
K04F29F 2004 FF29 (arc=6 opp, H=18.1 ~812m) from PS1 (May 16.32-36p4) and ATLAS Haleakala (May 16.46-51p4)
K03J14N 2003 JN14 (arc=3 opp, H=19.4 ~446m) from PS2 (May 16.32-35p4)
K02V85R 2002 VR85 from Compustar Obs. (May 15.98-00p3)
K02T69A 2002 TA69 (i=38.7°, arc=3 opp, H=18.2 ~776m) from MLS (May 16.17-20p3 at G=21.1-22.1)
r9940 539940 2017 HW1 from ATLAS Haleakala (May 16.29-30p3)
q4530 524530 2002 XC91 from MLS (May 16.22-24p4) and CSS (May 16.26-28p4)
q2684 522684 2016 JP from CSS (May 16.35-37p4) and ATLAS Mauna Loa (May 16.44-49p4)
q0808 520808 2014 TF64 from PS2 (May 16.31-34p3)
n8066 498066 2007 RM133 from PS1 (May 16.46-49p3) and AHS Obs. (May 17.28p2)
n0684 490684 2010 LL34 from ARO Westfield (April 22.37p2 at V=22.0-22.3)
l7885 477885 2011 JT9 from ARO Westfield (May 9.30-31p6)
j0185 450185 2001 WJ2 from PS1 (May 16.32-36p4)
h6030 436030 2009 JO2 from CSS (May 16.35p1), ATLAS Mauna Loa (May 16.45-47p4), and PS2 (May 16.52-55p4)
h3992 433992 2000 HD74 from ATLAS Haleakala (May 16.40-42p4)
g5450 425450 2010 EV45 from CSS (May 16.26-28p4)
g0302 420302 2011 XZ1 from ATLAS Haleakala (May 16.54-55p4)
c8838 388838 2008 EZ5 from ATLAS Haleakala (May 16.25-27p7)
Y9063 349063 2006 XA from ATLAS Haleakala (May 16.57-60p4)
X3555 333555 2005 VY17 from CSS (May 16.30-32p4) and ATLAS Mauna Loa (May 16.40-42p3)
W9275 329275 1999 VP6 from PS2 (May 16.31-35p4)
V8050 318050 2004 FC32 from ATLAS Mauna Loa (May 16.36-38p4)
R7142 277142 2005 LG8 from PS2 (May 16.32-36p3)
O2216 242216 2003 RN10 from CSS (May 16.46-47p4)
J2563 192563 1998 WZ6 from ATLAS Haleakala (May 16.60-62p4)
I6822 186822 2004 FE31 from PS2 (May 16.41-44p3)
I4990 184990 2006 KE89 from MLS (May 16.42-43p4) and AHS Obs. (May 17.23p1)
H5189 175189 2005 EC224 from ATLAS Haleakala (May 16.35-36p4) and PS2 (May 16.41-45p4)
G3243 163243 2002 FB3 from ATLAS Mauna Loa (May 16.27-29p4) and Transit Dreams Obs. (May 17.06p3)
F9608 159608 2002 AC2 from ATLAS Mauna Loa (May 16.59-60p3)
F2978 152978 2000 GJ147 from MLS (May 16.17-20p3) and CSS (May 16.22-23p2)
F2941 152941 2000 FM10 from PS2 (May 16.31-35p4)
E4861 144861 2004 LA12 from MLS (May 16.29-31p4)
E1525 141525 2002 FV5 from CSS (May 16.22-23p2)
D8847 138847 2000 VE62 from ATLAS Mauna Loa (May 16.31-34p4)
D7199 137199 1999 KX4 from PS1 (May 16.49-52p3) and AHS Obs. (May 17.24-26p4)
D7170 137170 1999 HF1 from CSS (May 16.42-43p4)
D7064 137064 1998 WP5 from ATLAS Haleakala (May 16.33-38p4)
D6923 136923 1998 JH2 from ATLAS Haleakala (May 16.42-45p4)
B5052 115052 2003 RD6 from ARO Westfield (April 11.09p4), CSS (May 16.23-25p4), and ATLAS Mauna Loa (May 16.32-34p4)
99935 99935 2002 AV4 from ATLAS Haleakala (May 16.32-34p6)
90075 90075 2002 VU94 from ATLAS Mauna Loa (May 16.27-29p4)
89958 89958 2002 LY45 from PS2 (May 16.42-46p6)
89830 89830 2002 CE from MLS (May 16.18-20p4)
86667 86667 2000 FO10 from AHS Obs. (May 17.18-20p4)
86067 86067 1999 RM28 from MLS (May 16.30-31p4) and CSS (May 16.30-32p4)
85628 85628 1998 KV2 from ATLAS Haleakala (May 16.35-37p4)
85275 85275 1994 LY from ATLAS Mauna Loa (May 16.49-53p3)
85184 85184 1991 JG1 from ATLAS Mauna Loa (May 16.42-46p10)
68350 68350 2001 MK3 from CSS (May 16.37-39p4) and ATLAS Mauna Loa (May 16.46-51p4)
66251 66251 1999 GJ2 from ATLAS Haleakala (May 16.35-37p4) and PS2 (May 16.37-41p3)
65909 65909 1998 FH12 from PS1 (May 16.33-36p7)
54401 54401 2000 LM from ATLAS Haleakala (May 16.34-38p4)
35107 35107 1991 VH from CSS (May 16.21-23p4) and ATLAS Mauna Loa (May 16.32-34p4)
34613 34613 2000 UR13 from ATLAS Mauna Loa (May 16.27-29p4)
31345 31345 1998 PG from PS2 (May 16.31-35p6)
30825 30825 1990 TG1 from ATLAS Mauna Loa (May 16.24-26p4)
25330 25330 1999 KV4 from ATLAS Mauna Loa (May 16.26-28p4)
19764 19764 2000 NF5 from ATLAS Haleakala (May 16.59-61p4)
11405 11405 1999 CV3 from CSS (May 16.14-16p4) and ATLAS Mauna Loa (May 16.26-28p8)
11311 11311 Peleus (1993 XN2) from PS2 (May 16.37-41p4)
11284 11284 Belenus (1990 BA) from ATLAS Haleakala (May 16.46-51p4)
11066 11066 Sigurd (1992 CC1) from Transit Dreams Obs. (May 17.07-08p3)
09400 9400 1994 TW1 from CSS (May 16.17-18p4) and ATLAS Mauna Loa (May 16.28-30p4)
08566 8566 1996 EN from CSS (May 16.19-21p4) and ATLAS Mauna Loa (May 16.30-32p4)
08014 8014 1990 MF from ATLAS Haleakala (May 16.43p1 & 16.49-50p2)
06569 6569 Ondaatje (1993 MO) from ATLAS Mauna Loa (May 16.53-56p5)
06050 6050 Miwablock (1992 AE) from PS1 (May 16.33-36p4) and ATLAS Haleakala (May 16.46-51p4)
05786 5786 Talos (1991 RC) from Pomona College Table Mtn. Obs. (PCTMO) (2019 Sept. 19.19-22p2)
05626 5626 1991 FE from ATLAS Mauna Loa (May 16.29-31p4)
04954 4954 Eric (1990 SQ) from ATLAS Haleakala (May 16.34-38p4)
04257 4257 Ubasti (1987 QA) from MLS (May 16.42-43p3) and PS1 (May 16.53-58p4)
01917 1917 Cuyo (1968 AA) from PS2 (May 16.47-51p4)
01864 1864 Daedalus (1971 FA) from CSS (May 16.19-21p4) and ATLAS Mauna Loa (May 16.29-31p6)
01685 1685 Toro (1948 OA) from ATLAS Haleakala (May 16.58-62p8)
01627 1627 Ivar (1929 SH) from CSS (May 16.17-18p4) and ATLAS Mauna Loa (May 16.28-30p4)

MPEC 2020-K20 - "11:49 UT" - 2020 JN2

K20J02N 2020 JN2 (small asteroid, H=23.9 ~56m) was picked up at 1036 UT on 15 May by PS1, observing it at May 15.44-48p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 16.25-26p4), R. Wainscoat on Mauna Kea (May 16.50p3), CSS-Kuiper (May 17.23-24p4), and Mt. John Obs. (May 17.45-46p3).

MPEC 2020-K19 - "11:46 UT" - 2020 KA

K20K00A 2020 KA (Earth MOID=2.0 LD, H=27.4 ~11m) was picked up at 0825 UT on 16 May by CSS, observing it at May 16.35-37p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 16.40-44p8 & 17.35-36p4), Schwarzschild Obs. (May 16.85p3), Guidestar Obs. (May 16.90-91p3), St. Pardon de Conques Obs. (May 16.94-95p3), Dettelbach Vineyard Obs. (May 16.99-01p2), Squirrel Valley Obs. (May 17.07-09p4), and Transit Dreams Obs. (May 17.09p3).

MPEC 2020-K18 - "08:38 UT" - 2020 JM2

K20J02M 2020 JM2 (small asteroid, Q=4.407 AU, H=24.80 ~37m) was picked up at 0734 UT on 15 May by MLS, observing it at May 15.32-33p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 15.43-44p4), Schwarzschild Obs. (May 15.89p5), and CSS-Kuiper (May 16.26-27p4 & 17.34-35p4).

MPEC 2020-K17 - "08:37 UT" - 2020 JL2

K20J02L 2020 JL2 (small asteroid, H=23.74 ~61m) was picked up at 0732 UT on 15 May by MLS, observing it at May 15.31-33p4 at G=20.8-22.3. This detection was confirmed by CSS-Kuiper (May 15.42-43p3 at G=21.5-22.3, 16.20-21p4 at G=21.5-6 & 17.31-32p4 at G=21.1-7) and Schwarzschild Obs. (May 16.02-03p4).

MPEC 2020-K16 - "07:30 UT" - 2020 JK2

K20J02K 2020 JK2 (Earth MOID=7.8 LD, H=27.31 ~12m, NHATS target) was picked up at 1035 UT on 15 May by PS1, observing it at May 15.44-46p3. This detection was confirmed by Steward Mt. Lemmon Sta. (May 16.23-24p4), R. Wainscoat/Mauna Kea (May 16.50p3), and CSS-Kuiper (May 17.24-25p4).

MPEC 2020-K15 - "07:28 UT" - 2020 JJ2

K20J02J 2020 JJ2 (small asteroid, H=24.47 ~43m) was picked up at 0712 UT on 15 May by PS1, observing it at May 15.30-34p4. This detection was confirmed by Schwarzschild Obs. (May 15.90-91p4 at V=21.7-22.1), CSS-Kuiper (May 16.16-17p4 at G=21.9-23.1 & 17.16-17p4 at G=21.3-22.0), and R. Wainscoat/Mauna Kea (May 16.45p2).

MPEC 2020-K14 - "07:27 UT" - 2020 JH2

K20J02H 2020 JH2 (small asteroid, H=24.47 ~43m) was picked up at 0731 UT on 15 May by MLS, observing it at May 15.31-33p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 15.42p4 & 16.29p4), Schwarzschild Obs. (May 15.86p3, 16.07p3 & 16.88p3), Squirrel Valley Obs. (May 16.06-08p3), Dettelbach Vineyard Obs. (May 16.92-94p3), and St. Pardon de Conques Obs. (May 16.99-00p3).

MPEC 2020-K13 - "07:25 UT" - 2020 JG2

K20J02G 2020 JG2 (small asteroid, H=23.34 ~73m) was picked up at 0800 UT on 15 May by MLS, observing it at May 15.33-35p4. This detection was confirmed by Lothar Kurtze via Faulkes Telescope North (May 15.44p4), Steward Mt. Lemmon Sta. (May 15.45p4 & 16.29p4), Schwarzschild Obs. (May 15.86p3 & 17.07p3), Loiano Obs. (May 15.91-93p3 at G=20.5-22.1), PCTMO (May 16.38p1 & 16.44-47p2), and St. Pardon de Conques Obs. (May 17.01-02p3).

MPEC 2020-K12 - "07:12 UT" - 2020 JF2

K20J02F 2020 JF2 (small asteroid, H=23.75 ~60m) was picked up at 0742 UT on 13 May by PS1, observing it at May 13.32-34p3 at w=22.00-22.73. This detection was confirmed by CSS-Kuiper (May 14.21-23p4 at G=22.1-7) and R. Wainscoat/Mauna Kea (May 17.26p3 at G=22.14-44).

MPEC 2020-K11 - "07:10 UT" - 2020 JE2

K20J02E 2020 JE2 (Earth MOID=0.6 LD, H=27.54 ~11m) was picked up at 0922 UT on 15 May by PS1, observing it at May 15.39-43p3. This detection was confirmed by Schwarzschild Obs. (May 15.87p4 & 16.89p3), Steward Mt. Lemmon Sta. (May 16.28-29p4), PS2 (May 16.42-46p3), Guidestar Obs. (May 16.93-95p3), St. Pardon de Conques Obs. (May 16.97-98p3), Transit Dreams Obs. (May 17.12-13p4), and Squirrel Valley Obs. (May 17.12-14p4).

MPEC 2020-K10 - "07:07 UT" - 2020 JD2

K20J02D 2020 JD2 (Q=4.169 AU, Earth MOID=5.1 LD, H=25.57 ~26m) was picked up at 0736 UT on 15 May by MLS, observing it at May 15.32-33p4. This detection was confirmed by Steward Mt. Lemmon Sta. (May 15.40p4 & 16.28p4), Schwarzschild Obs. (May 15.85p5 & 16.06p3), Guidestar Obs. (May 15.85-87p3), Loiano Obs. (May 15.89-90p3), Clixby Obs. (May 15.93-94p3), Great Shefford Obs. (May 15.94p3), Pascoli Obs. (May 15.97-98p3), Dettelbach Vineyard Obs. (May 15.98-99p3 & 17.02-03p2), PCTMO (May 16.39-48p4), St. Pardon de Conques Obs. (May 16.95-97p3), and Squirrel Valley Obs. (May 17.18-20p4).

MPEC 2020-K09 - "05:29 UT" - 2020 JZ1

K20J01Z 2020 JZ1 (H=25.7 ~25m, NHATS) was picked up at 0750 UT on 11 May by PS2, observing it at May 11.33-36p4. This detection was confirmed by PS1 (May 16.28-31p4) and Steward Mt. Lemmon Sta. (May 17.19p4).

MPEC 2020-K08 - "05:26 UT" - 2020 JW1

K20J01W 2020 JW1 (small asteroid, H=22.65 ~100m) was picked up at 1334 UT on 3 May by PS1, observing it at May 3.57-60p3 at w=21.79-22.50. This detection was confirmed by Schwarzschild Obs. (May 15.98-99p4) and R. Wainscoat/Mauna Kea (May 16.53p4).

Observers on 17 May '20

A total of 33 observers appear in today's MPECs.

Code	Observer / observatory
`U71`	AHS Obs., 4 in MPEC 2020-K21 -- 86667, 498066, 184990, 137199
`H21`	Astronomical Research Obs. Westfield in Illinois, 11 in MPEC 2020-K21 -- 2020 JW1, 2020 JT1, 2020 HK1, 2020 HG9, 2017 FE90, 2016 RF40, 2016 JU24, 2013 AO27, 490684, 477885, 115052
`T05`	ATLAS Haleakala in Hawaii, 29 in MPEC 2020-K21 -- 2020 JV, 2020 HF1, 2020 GF3, 2020 BO5, 2019 UO9, 2016 FY14, 2014 JO25, 2009 ST19, 2006 HB, 2004 FF29, 99935, 85628, 66251, 54401, 539940, 433992, 420302, 388838, 349063, 19764, 192563, 175189, 137064, 136923, 11284, 8014, 6050, 4954, 1685
`T08`	ATLAS Mauna Loa in Hawaii, 26 in MPEC 2020-K21 -- 2020 FW3, 2015 TX143, 2010 EC135, 90075, 85275, 85184, 68350, 522684, 436030, 35107, 34613, 333555, 318050, 30825, 25330, 163243, 159608, 138847, 115052, 11405, 9400, 8566, 6569, 5626, 1864, 1627
`703`	Catalina Sky Survey (CSS) in Arizona, 23 in MPECs 2020-K19 & 2020-K21 -- 2020 KA, 2020 JY1, 2020 JD, 2020 FW3, 2015 TX143, 86067, 68350, 524530, 522684, 436030, 425450, 35107, 333555, 242216, 152978, 141525, 137170, 115052, 11405, 9400, 8566, 1864, 1627
`V06`	Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 9 in MPECs 2020-K12, 2020-K15, 2020-K16, 2020-K17, 2020-K18, 2020-K20, 2020-K21 & 2020-K27 -- 2020 JQ2, 2020 JN2, 2020 JM2, 2020 JL2, 2020 JK2, 2020 JJ2, 2020 JF2, 2020 HX5, 2020 HB5
`Z99`	Clixby Obs. in England, 1 in MPEC 2020-K10 -- 2020 JD2
`L59`	Compustar Obs., 1 in MPEC 2020-K21 -- 2002 VR85
`K87`	Dettelbach Vineyard Obs. in Germany, 6 in MPECs 2020-K10, 2020-K14, 2020-K19 & 2020-K21 -- 2020 KA, 2020 JY1, 2020 JY, 2020 JH2, 2020 JE1, 2020 JD2
`F652`	Lothar Kurtze in Germany via Faulkes Telescope North in Hawaii, 1 in MPEC 2020-K13 -- 2020 JG2
`J95`	Great Shefford Obs. in England, 1 in MPEC 2020-K10 -- 2020 JD2
`A17`	Guidestar Obs. in Germany, 6 in MPECs 2020-K10, 2020-K11, 2020-K19 & 2020-K21 -- 2020 KA, 2020 JX, 2020 JP, 2020 JK1, 2020 JE2, 2020 JD2
`U68`	JPL SynTrack Robotic Telescope, 1 in MPEC 2020-K21 -- 2000 KA
`598`	Loiano Obs. in Italy, 2 in MPECs 2020-K10 & 2020-K13 -- 2020 JG2, 2020 JD2
`568^`	R. Wainscoat on Mauna Kea in Hawaii, 5 in MPECs 2020-K08, 2020-K12, 2020-K15, 2020-K16 & 2020-K20 -- 2020 JW1, 2020 JN2, 2020 JK2, 2020 JJ2, 2020 JF2
`V01`	Mountainville Obs. in Utah, 1 in MPEC 2020-K21 -- 2020 HG9
`474`	Mt. John Obs. in New Zealand, 2 in MPECs 2020-K20 & 2020-K25 -- 2020 KB, 2020 JN2
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 20 in MPECs 2020-K10, 2020-K13, 2020-K14, 2020-K17, 2020-K18, 2020-K21, 2020-K24, 2020-K25 & 2020-K27 -- 2020 KB, 2020 JQ2, 2020 JM2, 2020 JL2, 2020 JH2, 2020 JG2, 2020 JD2, 2020 HO10, 2020 HH6, 2018 BN3, 2014 HO4, 2006 GV2, 2002 TA69, 89830, 86067, 524530, 184990, 152978, 144861, 4257
`Z80`	Northolt Branch Obs. in England, 2 in MPEC 2020-K21 -- 2020 HG9, 2010 EC135
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 22 in MPECs 2020-K08, 2020-K09, 2020-K11, 2020-K12, 2020-K15, 2020-K16, 2020-K20, 2020-K21, 2020-K24, 2020-K26 & 2020-K27 -- 2020 JZ1, 2020 JW1, 2020 JQ2, 2020 JP2, 2020 JN2, 2020 JK2, 2020 JJ2, 2020 JF2, 2020 JE2, 2020 JB1, 2020 HO10, 2020 HH10, 2020 BR16, 2009 QD34, 2006 KQ21, 2004 FF29, 65909, 498066, 450185, 137199, 6050, 4257
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 28 in MPECs 2020-K09, 2020-K11, 2020-K21, 2020-K24, 2020-K25 & 2020-K26 -- 2020 KB, 2020 JZ1, 2020 JQ1, 2020 JP2, 2020 JJ1, 2020 JE2, 2020 HV9, 2020 HO10, 2020 HH6, 2020 HG9, 2020 HD7, 2019 XG1, 2017 MU7, 2007 HX82, 2003 JN14, 2000 KA, 89958, 66251, 520808, 436030, 329275, 31345, 277142, 186822, 175189, 152941, 11311, 1917
`K63`	Pascoli Obs. in Italy, 1 in MPEC 2020-K10 -- 2020 JD2
`654`	Pomona College Table Mtn. Obs. (PCTMO) in southern California, 3 in MPECs 2020-K10, 2020-K13 & 2020-K21 -- 2020 JG2, 2020 JD2, 5786
`L40`	Saarbruecken Rastpfuhl Obs., 1 in MPEC 2020-K21 -- 2000 KA
`C95`	SATINO-1 in France, 1 in MPEC 2020-K21 -- 3200
`033`	Schwarzschild Obs. in Germany, 15 in MPECs 2020-K08, 2020-K10, 2020-K11, 2020-K13, 2020-K14, 2020-K15, 2020-K17, 2020-K18, 2020-K19, 2020-K21 & 2020-K27 -- 2020 KA, 2020 JY, 2020 JW1, 2020 JQ2, 2020 JM2, 2020 JL2, 2020 JL1, 2020 JK1, 2020 JJ2, 2020 JH2, 2020 JG2, 2020 JE2, 2020 JD2, 2020 HG9, 2020 FB6
`G40'`	W.F. Cashwell in Nevada via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-K21 -- 2015 FP332
`W34`	Squirrel Valley Obs. in North Carolina, 4 in MPECs 2020-K10, 2020-K11, 2020-K14 & 2020-K19 -- 2020 KA, 2020 JH2, 2020 JE2, 2020 JD2
`I93`	St. Pardon de Conques Obs. in France, 5 in MPECs 2020-K10, 2020-K11, 2020-K13, 2020-K14 & 2020-K19 -- 2020 KA, 2020 JH2, 2020 JG2, 2020 JE2, 2020 JD2
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 22 in MPECs 2020-K09, 2020-K10, 2020-K11, 2020-K13, 2020-K14, 2020-K16, 2020-K18, 2020-K19, 2020-K20, 2020-K21, 2020-K24, 2020-K25 & 2020-K26 -- 2020 KB, 2020 KA, 2020 JZ1, 2020 JX, 2020 JU1, 2020 JR1, 2020 JP2, 2020 JP1, 2020 JO1, 2020 JN2, 2020 JM2, 2020 JK2, 2020 JK1, 2020 JH2, 2020 JG2, 2020 JG1, 2020 JE2, 2020 JD2, 2020 JB1, 2020 HO10, 2020 HE9, 2017 BE32
`W33`	Transit Dreams Obs., 6 in MPECs 2020-K11, 2020-K19 & 2020-K21 -- 2020 KA, 2020 JR, 2020 JE2, 2020 JB, 163243, 11066
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPECs 2020-K22 & 2020-K23 -- 2015 YC2, 2015 CT58
`T14`	UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 1 in MPEC 2020-K23 -- 2015 YC2

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

Impact Risk Monitoring on 17 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 JX1	NEODyS	1730	2031-2118	28	5.62e-06	-5.01	-5.47	0	NEODyS: "Based on 11 optical observations (of which 0 are rejected as outliers) from 2020-05-14.301 to 2020-05-16.448."

2015 YC2	JPL Sentry	1730	R E M O V E D						JPL: Risk listing removed at 1602 UTC today

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 17 May '20

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

2202

Grabbed MPEC 2020-K24 - 2020 HO10 - see above
Grabbed MPEC 2020-K25 - 2020 KB - see above
Grabbed MPEC 2020-K26 - 2020 JP2 - see above
Grabbed MPEC 2020-K27 - 2020 JQ2 - see above

1730

Noted that JPL Sentry has removed 2015 YC2 as an impact risk - see above
Noted that NEODyS has posted 2020 JX1 as an impact risk - see above
Grabbed MPEC 2020-K08 - 2020 JW1 - see above
Grabbed MPEC 2020-K09 - 2020 JZ1 - see above
Grabbed MPEC 2020-K10 - 2020 JD2 - see above
Grabbed MPEC 2020-K11 - 2020 JE2 - see above
Grabbed MPEC 2020-K12 - 2020 JF2 - see above
Grabbed MPEC 2020-K13 - 2020 JG2 - see above
Grabbed MPEC 2020-K14 - 2020 JH2 - see above
Grabbed MPEC 2020-K15 - 2020 JJ2 - see above
Grabbed MPEC 2020-K16 - 2020 JK2 - see above
Grabbed MPEC 2020-K17 - 2020 JL2 - see above
Grabbed MPEC 2020-K18 - 2020 JM2 - see above
Grabbed MPEC 2020-K19 - 2020 KA - see above
Grabbed MPEC 2020-K20 - 2020 JN2 - see above
Grabbed MPEC 2020-K21 - Daily Orbit Update - see above
Grabbed MPEC 2020-K22 - 2015 CT58 - see above
Grabbed MPEC 2020-K23 - 2015 YC2 - see above

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