2020-09-06 Tracking News

Contents on 6 September '20

IAU Minor Planet Center
- NEOCP Activity -- 34 listings
- New MPECs -- eleven MPECs
Observers -- 54 observers
Impact Risk Monitoring -- eight objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1156 risk-listed objects, 149 have had news in the last 31 days. Updated at 2306 UTC on 6 Sept.
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 6 September '20

The MPC's NEO Confirmation Page has 34 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 34 objects listed. Of these, 23 were "one nighters." So far The Tracking News has counted a total of 44 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 6 September '20

Minor Planet Electronic Circulars

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

MPEC 2020-R14 time-stamped "01:46 UT" - Comet C/2019 Q1 (Lemmon) - see below
MPEC 2020-R15 time-stamped "02:16 UT" - 2020 RF - see below
MPEC 2020-R16 time-stamped "02:17 UT" - 2020 RG - see below
MPEC 2020-R17 time-stamped "02:28 UT" - 2020 HZ38 - see below
MPEC 2020-R18 time-stamped "10:50 UT" - 2011 ES4 - see below
MPEC 2020-R19 time-stamped "12:00 UT" - Daily Orbit Update - see below
MPEC 2020-R20 time-stamped "19:10 UT" - 2018 RV3 - see below
MPEC 2020-R21 time-stamped "20:14 UT" - 2020 OD8 - see below
MPEC 2020-R22 time-stamped "21:51 UT" - 2020 RJ - see below
MPEC 2020-R23 time-stamped "21:52 UT" - 2020 RK - see below
MPEC 2020-R24 time-stamped "22:42 UT" - 2020 RL

MPEC 2020-R24 - "22:42 UT" - 2020 RL

K20R00L 2020 RL (small asteroid, Earth MOID=8.3 LD, H=25.1 ~32m) was picked up at 0646 UT on 5 Sept. by the Mt. Lemmon Survey (MLS), observing it at Sept. 5.28-30p3 and 5.42p3. This detection was confirmed by Great Shefford Obs. (Sept. 5.87-89p4 & 6.92-93p3), Visnjan Obs. (Sept. 5.90-91p5), San Marcello Pistoiese Obs. (Sept. 6.04-05p3), Astronomical Research Obs. Westfield (Sept. 6.12-13p4), and Steward Obs. Mt. Lemmon Station (Sept. 6.17p3).

MPEC 2020-R23 - "21:52 UT" - 2020 RK

K20R00K 2020 RK (risk listed, Earth MOID=0.1 LD, H=25.2 ~31m) was picked up at 0556 UT on 5 Sept. by the Catalina Sky Survey (CSS), observing it at Sept. 5.25-26p4 and 5.31-32p4. This detection was confirmed by Visnjan Obs. (Sept. 5.84-85p5), Paus Obs. (Sept. 5.84-85p3), Great Shefford Obs. (Sept. 5.85-86p4), Forti Obs. (Sept. 5.86p3), Farra d'Isonzo Obs. (Sept. 5.89-91p4), North Obs. (Sept. 5.93-94p3), Northolt Branch Obs. (Sept. 5.95-97p3), Castelmartini Obs. (Sept. 5.96p5), St. Pardon de Conques Obs. (Sept. 5.96-97p3), Schiaparelli Obs. (Sept. 5.98-99p3), San Marcello Pistoiese Obs. (Sept. 6.00-01p3), Squirrel Valley Obs. (Sept. 6.07-09p4), ARO Westfield (Sept. 6.10-11p3), Steward Mt. Lemmon Sta. (Sept. 6.11-12p4), Mountainville Obs. (Sept. 6.13-14p2), Transit Dreams Obs. (Sept. 6.15-16p5), Oberfrauendorf Obs. (Sept. 6.84-85p2), and ROASTERR-1 (Sept. 6.86-88p3).

MPEC 2020-R22 - "21:51 UT" - 2020 RJ

K20R00J 2020 RJ (small asteroid, Earth MOID=3.5 LD, H=25.8 ~23m) was picked up at 0513 UT on 5 Sept. by MLS, observing it at Sept. 5.22-23p4. This detection was confirmed by Steward Mt. Lemmon Sta. (Sept. 5.29-30p3 & 6.12p4), Visnjan Obs. (Sept. 5.80-81p4), Great Shefford Obs. (Sept. 5.83-84p4 & 6.87-88p3), St. Pardon de Conques Obs. (Sept. 5.86-87p3), Schiaparelli Obs. (Sept. 5.91-93p3), San Marcello Pistoiese Obs. (Sept. 6.01-02p3), ARO Westfield (Sept. 6.07-08p5), Farpoint Obs. (Sept. 6.13p3), Squirrel Valley Obs. (Sept. 6.15-16p3), Oberfrauendorf Obs. (Sept. 6.82-83p3), QOS Obs. (Sept. 6.83p4), ROASTERR-1 (Sept. 6.84-85p2), and Castelmartini Obs. (Sept. 6.85p5).

MPEC 2020-R21 - "20:14 UT" - 2020 OD8

K20O08D 2020 OD8 (Centaur, q=6.246 AU, Q=10.701 AU, H=13.2 ~7.76 km) was picked up at 1238 UT on 28 July by Pan-STARRS 1 (PS1), observing it at 2017 May 21.55-58p3 at G=22.50-98, 2018 July 11.39-43p4 at G=21.44-90, 2018 Aug. 13.38-42p4 at G=21.34-22.19, 2019 July 4.51-52p2 at G=21.91-97, 2019 July 7.51-55p7 at G=21.00-22.03, 2019 July 25.47-50p4 at G=21.71-22.16, 2019 Aug. 28.41-45p4 at w=21.6-9, 2019 Sept. 3.31-35p4 at G=21.42-22.00, 2019 Sept. 22.29-33p4 at G=21.60-91, 2019 Sept. 27.28p1 at G=21.09, 2019 Oct. 27.21-24p4 at G=21.88-22.13, July 28.53-54p2 at w=21.4, Aug. 19.43-47p4 at w=21.1-4, and Sept. 6.39-42p3 at i=20.57-21.28. This detection was confirmed by Pan-STARRS 2 (PS2) (2018 July 10.46-49p4 at G=21.18-83, 2019 June 1.57-60p4 at G=22.15-23.00, 2019 July 29.51-53p3 at G=21.09-49, 2019 Oct. 28.22-24p3 at G=22.41-62, May 24.59p1 at G=21.46, July 17.51-52p2 at G=21.81-22.54, 20.52p1 at G=21.34, Aug. 12.41-45p4 at G=20.56-21.44 & 26.51-54p4 at G=20.86-21.56).

MPEC 2020-R20 - "19:10 UT" - 2018 RV3

K18R03V 2018 RV3 (small asteroid, H=23.0 ~85m) from PS1 (2013 Feb. 13.37p1 at G=23.00, 2016 Aug. 3.60-62p3 at G=22.49-23.42, 2017 Feb. 5.55p1 at G=23.04, 2018 Aug. 5.57-59p2 at G=22.37-47, 2019 Feb. 9.37p1 at G=22.99, July 25.57p1 at G=22.88 & Sept. 6.44-47p4 at i=19.72-20.00)

<< DOU on 6 September '20 >> MPEC 2020-R19 - "12:00 UT" - Daily Orbit Update

Observations of risk-listed objects
K20Q01N 2020 QN1 (small asteroid, arc=37 days, H=23.1 ~81m, NHATS target) from Steward Mt. Lemmon Sta. (Sept. 6.37-38p4)
Observations of recently (no longer) risk-listed objects
K20R00B 2020 RB (i=59.4°, Q=5.782 AU, arc=3 days, H=19.2 ~490m) from North Obs. (Sept. 5.87-89p4) and Steward Mt. Lemmon Sta. (Sept. 6.11-12p4)
K20Q03G 2020 QG3 (arc=18 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (Sept. 5.49-50p4)
Observations of close-passing objects
K16W01Q 2016 WQ1 (arc=34 days, H=27.8 ~9m) from UH/Tholen NEO Follow-Up 2.24m Telescope (2016 Nov. 24.60p4)
Observation campaigns (NHATS targets, radar support)
K20Q03Y 2020 QY3 (arc=18 days, H=24.9 ~35m, NHATS) from Steward Mt. Lemmon Sta. (Sept. 6.33p4)
K20Q01V 2020 QV1 (arc=21 days, H=24.2 ~49m, NHATS) from Steward Mt. Lemmon Sta. (Sept. 6.39p3)
K20P03K 2020 PK3 (arc=24 days, H=25.0 ~34m, NHATS) from Steward Mt. Lemmon Sta. (Sept. 6.15-16p3)
K20P01X 2020 PX1 (arc=27 days, H=23.7 ~62m, NHATS) from PS1 (Sept. 6.25-29p3)
K20L00R 2020 LR (arc=87 days, H=24.0 ~54m, NHATS) from Steward Mt. Lemmon Sta. (Sept. 6.17p3)
-- NHATS target table
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20R00F 2020 RF (Q=4.199 AU, arc=9 days, H=22.2 ~123m) from ARO Westfield (Sept. 6.13-14p3)
K20R00A 2020 RA (arc=3 days, H=24.3 ~47m) from PS2 (Sept. 5.45-47p3) and Steward Mt. Lemmon Sta. (Sept. 6.13-14p4)
K20Q06V 2020 QV6 (q=0.320 AU, arc=9 days, H=22.4 ~112m) from PS2 (Sept. 5.39-42p4) and Steward Mt. Lemmon Sta. (Sept. 6.16-17p4)
K20Q06J 2020 QJ6 (arc=11 days, H=22.9 ~89m) from Steward Mt. Lemmon Sta. (Sept. 6.33p4)
K20Q06G 2020 QG6 (arc=21 days, H=22.5 ~107m) from Steward Mt. Lemmon Sta. (Sept. 6.34-37p4)
K20Q05S 2020 QS5 (q=0.373 AU, Q=4.717 AU, arc=13 days, H=22.2 ~123m) from Steward Mt. Lemmon Sta. (Sept. 6.17-18p4)
K20Q03P 2020 QP3 (arc=19 days, H=22.7 ~98m) from Steward Mt. Lemmon Sta. (Sept. 6.26-27p4)
K20Q03E 2020 QE3 (arc=24 days, H=25.1 ~32m) from Steward Mt. Lemmon Sta. (Sept. 6.12-13p2)
K20Q00A 2020 QA (arc=46 days, H=22.8 ~93m) from Marco Micheli via Faulkes Telescope North (Sept. 5.40-41p2 at G=22.0-23.3)
K20P02Z 2020 PZ2 (arc=24 days, H=23.5 ~68m) from PS1 (Sept. 6.24-27p3 at w=21.9-22.2)
K20P00G 2020 PG (arc=30 days, H=23.7 ~62m) from Steward Mt. Lemmon Sta. (Sept. 6.42-43p4)
K20N00F 2020 NF (arc=115 days, H=24.0 ~54m) from Steward Mt. Lemmon Sta. (Sept. 6.39-40p4)
K17F64Y 2017 FY64 (Q=4.558 AU, arc=29 days, H=22.6 ~102m) from program code "&" (15) via DECam (2017 March 2.24p1 at g=22.7 & 2017 March 3.26p1 at g=22.8)
K17F63G 2017 FG63 (Q=4.602 AU, arc=33 days, H=22.7 ~98m) from DECam/code "&" (15) (2017 April 22.11p1 at r=23.1)
K17C33A 2017 CA33 (Q=7.922 AU, arc=30 days, H=23.3 ~74m) from DECam/code "&" (15) (2017 Jan. 26.26p1 at i=22.4)
K20R00C 2020 RC (arc=3 days, H=21.9 ~141m) from program code "*" (19) via Slooh.com Canary Islands Obs. (Sept. 5.09p3), QOS Obs. (Sept. 5.82p6), North Obs. (Sept. 5.90-91p5), Great Shefford Obs. (Sept. 5.94-95p4), and Steward Mt. Lemmon Sta. (Sept. 6.12p4)
K20L02J 2020 LJ2 (arc=82 days, H=21.8 ~148m) from PS1 (Sept. 5.43-45p3)
Observations of other objects
K20R00G 2020 RG (arc=10 days, H=20.9 ~224m) from Steward Mt. Lemmon Sta. (Sept. 6.30-31p4)
K20R00E 2020 RE (arc=11 days, H=20.2 ~309m) from Northolt Branch Obs. (Sept. 5.92-94p3) and Schiaparelli Obs. (Sept. 5.94-95p3)
K20Q06P 2020 QP6 (arc=11 days, H=20.7 ~245m) from Steward Mt. Lemmon Sta. (Sept. 6.21-24p3)
K20Q05A 2020 QA5 (arc=139 days, H=21.0 ~214m) from PS1 (Sept. 5.36-39p3)
K20Q02W 2020 QW2 (arc=19 days, H=20.5 ~269m) from Steward Mt. Lemmon Sta. (Sept. 6.19-20p4)
K20Q01S 2020 QS1 from Steward Mt. Lemmon Sta. (Sept. 6.31p2)
K20Q01M 2020 QM1 (arc=20 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (Sept. 6.30-31p3)
K20Q00M 2020 QM (arc=29 days, H=20.9 ~224m) from Steward Mt. Lemmon Sta. (Sept. 6.14-15p3)
K20P07F 2020 PF7 (Q=5.013 AU, arc=29 days, H=18.8 ~589m) from MLS (Sept. 5.36p3) and Steward Mt. Lemmon Sta. (Sept. 6.41-42p4)
K20P05C 2020 PC5 (Q=4.181 AU, arc=23 days, H=18.6 ~645m) from Steward Mt. Lemmon Sta. (Sept. 6.34-37p4)
K20P04X 2020 PX4 (arc=24 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (Sept. 6.17-18p2)
K20P03X 2020 PX3 (arc=23 days, H=20.4 ~282m) from Steward Mt. Lemmon Sta. (Sept. 6.20-21p2)
K20P03R 2020 PR3 from Steward Mt. Lemmon Sta. (Sept. 6.32-34p4)
K20P02K 2020 PK2 (arc=50 days, H=21.5 ~170m) from Steward Mt. Lemmon Sta. (Sept. 6.27-31p3)
K20P01D 2020 PD1 (Q=4.136 AU, arc=76 days, H=19.3 ~467m) from Steward Mt. Lemmon Sta. (Sept. 6.42-43p4)
K20O07R 2020 OR7 (arc=50 days, H=20.1 ~323m) from Steward Mt. Lemmon Sta. (Sept. 6.32p3)
K20O07Q 2020 OQ7 (arc=82 days, H=21.1 ~204m) from PS1 (Sept. 5.37-39p6)
K20O03W 2020 OW3 (Q=4.804 AU, arc=49 days, H=19.6 ~407m) from MLS (Sept. 5.33-35p3) and Steward Mt. Lemmon Sta. (Sept. 5.49-50p4 & 6.42-43p4)
K20O03S 2020 OS3 (arc=101 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (Sept. 6.36-37p3)
K20O02A 2020 OA2 (arc=70 days, H=21.7 ~155m) from PS2 (Sept. 5.43-47p7)
K20O01M 2020 OM1 (arc=48 days, H=20.9 ~224m) from PS1 (Sept. 5.36-40p3)
K20M02F 2020 MF2 (Q=4.269 AU, arc=103 days, H=19.8 ~371m) from Steward Mt. Lemmon Sta. (Sept. 6.40p3)
K20L03B 2020 LB3 from Forti Obs. (Sept. 5.83p3) and Castelmartini Obs. (Sept. 5.99-00p3)
K20K03U 2020 KU3 (i=37.5°, Q=4.395 AU, arc=107 days, H=19.6 ~407m) from MLS (Sept. 5.12-13p4)
K20H08S 2020 HS8 (arc=133 days, H=21.4 ~178m) from ATLAS Haleakala (Sept. 5.37-39p4) and Steward Mt. Lemmon Sta. (Sept. 6.20p4)
K17Q18M 2017 QM18 (arc=5 opp, H=18.6 ~645m) from MLS (Sept. 5.18-20p4)
K17H48Y 2017 HY48 (Q=4.680 AU, arc=69 days, H=21.0 ~214m) from DECam/code "&" (15) (2017 March 12.40p1 & 2017 May 20.23p1)
K16R00U 2016 RU (arc=2 opp, H=19.5 ~426m) from PS1 (Sept. 6.25-29p3)
K16N38V 2016 NV38 (Q=4.020 AU, arc=2 opp, H=18.6 ~645m) from Castelmartini Obs. (Sept. 4.99p3)
K16F14Y 2016 FY14 (arc=2 opp, H=19.2 ~490m) from PS1 (Sept. 5.55-57p4) and PS2 (Sept. 5.56-59p4)
K15XQ1J 2015 XJ261 (arc=4 opp, H=19.6 ~407m) from PS1 (Sept. 5.59-61p3)
K14N64E 2014 NE64 (i=41.6°, arc=3 opp, H=19.0 ~537m) from PS1 (Sept. 6.25-28p4)
K14L21W 2014 LW21 (Q=5.412 AU, arc=3 opp, H=18.6 ~645m) from PS2 (Sept. 5.39-43p4)
K13U14X 2013 UX14 (arc=4 opp, H=18.1 ~812m) from ATLAS Haleakala (Sept. 5.45-49p4)
K13P06Y 2013 PY6 (arc=4 opp, H=19.2 ~490m) from Castelmartini Obs. (Sept. 4.98p3)
K12D08P 2012 DP8 (arc=5 opp, H=19.8 ~371m) from Castelmartini Obs. (Sept. 5.02-03p3)
K11Q09G 2011 QG9 (Q=4.360 AU, arc=3 opp, H=20.5 ~269m) from PS1 (Sept. 5.51-52p2)
K06W03J 2006 WJ3 (arc=4 opp, H=20.0 ~339m) from MLS (Sept. 5.43-44p4)
K06H00B 2006 HB (arc=4 opp, H=18.9 ~562m) from SATINO-1 (Sept. 3.86-87p2) and PS2 (Sept. 5.40-41p2)
l0678 470678 2008 SS251 from Castelmartini Obs. (Sept. 4.94p2)
g0302 420302 2011 XZ1 from PS2 (Sept. 4.44-46p4) and Castelmartini Obs. (Sept. 4.95-96p3)
c2625 382625 2002 PC130 from the Zwicky Transient Facility (ZTF) (Sept. 2.36p1)
Z4952 354952 2006 FJ9 from Castelmartini Obs. (Sept. 4.95p3)
S5990 285990 2001 SK9 from Northolt Branch Obs. (Sept. 5.89p2)
G2173 162173 Ryugu (1999 JU3) from Castelmartini Obs. (Sept. 4.97p3)
F9402 159402 1999 AP10 from Vulpecula Obs. (Sept. 5.83-87p3)
F4302 154302 2002 UQ3 from PS1 (Sept. 4.61-62p4)
F4275 154275 2002 SR41 from PS1 (Sept. 4.47-49p3)
F3306 153306 2001 JL1 from PS1 (Sept. 4.51-55p3)
D6900 136900 1998 HL49 from Northolt Branch Obs. (Sept. 5.89p2) and Castelmartini Obs. (Sept. 5.94p3)
A6538 106538 2000 WK63 from Castelmartini Obs. (Sept. 4.94p3)
96744 96744 1999 OW3 from Castelmartini Obs. (Sept. 5.00-01p3)
90147 90147 2002 YK14 from PS2 (Sept. 4.30-33p4)
85804 85804 1998 WQ5 from ZTF (Sept. 5.29-30p3 & 5.35p1)
66008 66008 1998 QH2 from Castelmartini Obs. (Sept. 5.95p3)
35107 35107 1991 VH from PS1 (Sept. 5.25-26p4)
16960 16960 1998 QS52 from PS2 (Sept. 4.39-42p4)
02100 2100 Ra-Shalom (1978 RA) from ZTF (Sept. 3.50-52p4)
01943 1943 Anteros (1973 EC) from ZTF (Sept. 3.51-52p3)
01685 1685 Toro (1948 OA) from ZTF (Sept. 5.50-52p5)
00887 887 Alinda (1918 DB) from MASTER OAFA Obs. (Sept. 5.31-34p4)

MPEC 2020-R18 - "10:50 UT" - 2011 ES4

K11E04S 2011 ES4 (risk listed, Earth MOID=0.2 LD, H=25.8 ~23m, close passer, NHATS target) from PS1 (Sept. 5.36-40p4), QOS Obs. (Sept. 5.81-82p3), Visnjan Obs. (Sept. 5.83-84p7), Great Shefford Obs. (Sept. 5.84-85p4), Farra d'Isonzo Obs. (Sept. 5.86-88p4), Schiaparelli Obs. (Sept. 5.86-90p4), Northolt Branch Obs. (Sept. 5.90-91p2), Forti Obs. (Sept. 5.91p3), St. Pardon de Conques Obs. (Sept. 5.91p3), North Obs. (Sept. 5.96p3), Galilei Obs. (Sept. 5.97-98p2), San Marcello Pistoiese Obs. (Sept. 5.99p2), Transit Dreams Obs. (Sept. 6.06-07p3), ARO Westfield (Sept. 6.09p2), Squirrel Valley Obs. (Sept. 6.11-13p4), Steward Mt. Lemmon Sta. (Sept. 6.12p4), Farpoint Obs. (Sept. 6.17-18p4), and iTelescope Obs. Mayhill (Sept. 6.25-26p3)

MPEC 2020-R17 - "02:28 UT" - 2020 HZ38

K20H38Z 2020 HZ38 (q=2.173 AU, H=17.9 ~891m) was picked up at 1046 UT on 19 April by MLS, observing it at 2008 Sept. 29.39-41p4 at V=21.6-22.5, April 19.45-46p4 at G=21.0-22.5, June 12.33-34p4 at G=21.1-22.4, and Aug. 11.22-24p3 at G=21.6-22.1. This detection was confirmed by the Spacewatch 1.8m telescope (2007 April 25.43-46p3), PS1 (2012 Aug. 26.53-57p4), and PS2 (Sept. 5.24-25p6 at w=21.26-22.23).

MPEC 2020-R16 - "02:17 UT" - 2020 RG

K20R00G 2020 RG (H=20.9 ~224m) was picked up at 1321 UT on 4 Sept. by PS2, observing it at Sept. 4.56-59p4. This detection was confirmed by CSS (Aug. 27.37-38p2), Great Shefford Obs. (Sept. 5.02-04p4 & 5.96-97p2), Steward Mt. Lemmon Sta. (Sept. 5.37-39p4), Visnjan Obs. (Sept. 5.87-88p4), and San Marcello Pistoiese Obs. (Sept. 6.06p3).

MPEC 2020-R15 - "02:16 UT" - 2020 RF

K20R00F 2020 RF (small asteroid, Q=4.198 AU, H=22.2 ~123m) was picked up at 0546 UT on 5 Sept. by MLS, observing it at Aug. 28.21-22p4 and Sept. 5.24-29p7. This detection was confirmed by Steward Mt. Lemmon Sta. (Sept. 5.32-33p4), Paus Obs. (Sept. 5.82p3), ROASTERR-1 (Sept. 5.82-83p3), Dax Obs. (Sept. 5.84-86p3), Visnjan Obs. (Sept. 5.85p5), Bernezzo Obs. (Sept. 5.86-87p3), Forti Obs. (Sept. 5.88-89p3), Castelmartini Obs. (Sept. 5.91-92p5), Farra d'Isonzo Obs. (Sept. 5.92-95p5), St. Pardon de Conques Obs. (Sept. 5.95-96p3), North Obs. (Sept. 6.01p3), San Marcello Pistoiese Obs. (Sept. 6.03p3), and Squirrel Valley Obs. (Sept. 6.04-06p7).

MPEC 2020-R14 - "01:46 UT" - Comet C/2019 Q1 (Lemmon)

CK19Q010 C/2019 Q1 (Lemmon) (i=155.7°, q=4.997 AU, TP=2020 July 19.68207 TT) was picked up at 0937 UT on 28 Aug. 2019 by MLS, observing it at 2019 Aug. 28.40-47p8, 2019 Oct. 19.27-28p4, 2019 Oct. 24.15-17p4, 2019 Nov. 5.11-13p4, July 16.45-47p3, 31.35-36p3, and Aug. 27.25-27p4. This detection was confirmed by Steward Mt. Lemmon Sta. (2019 Aug. 28.46p2, 2019 Aug. 30.40-41p4, 2019 Sept. 2.43-44p4, 2019 Sept. 3.39-41p3, 2019 Sept. 4.47-49p4 & 2019 Oct. 20.44-46p3), Visnjan Obs. (2019 Aug. 28.99-01p3 & 2019 Oct. 19.86-87p4), ESA Optical Ground Station (ESA OGS) (2019 Aug. 29.06p6), St. Pardon de Conques Obs. (2019 Aug. 30.97-99p3), MARGO (2019 Aug. 31.97-03p3), Sandlot Obs. (2019 Sept. 2.31-36p3), Hidetaka Sato via iTelescope Obs. Mayhill (2019 Sept. 3.46p2), Dettelbach Vineyard Obs. (2019 Sept. 4.10p3), McDonald Obs. (2019 Sept. 4.37p3, 2019 Sept. 5.39-41p3 & 2019 Sept. 7.36-37p3), Dave Balam via Plaskett 1.8m Telescope (2019 Sept. 5.44-45p5, July 16.36-38p6 & 26.40-41p6), GINOP-KHK (2019 Sept. 5.94-95p2), the Spacewatch 0.9m telescope (2019 Sept. 6.39-41p3), Frasso Sabino Obs. (2019 Sept. 8.04-06p2, Aug. 12.94-95p2 & 20.96-98p2), the SZTE Asteroid Program (2019 Sept. 30.96-97p3, 2019 Oct. 23.87-89p4 & 2019 Nov. 24.81-82p3), Chante-Perdrix Obs. (2019 Oct. 8.06-08p3), SATINO-1 (2019 Oct. 29.80-82p3), Cordell-Lorenz Obs. (2019 Nov. 2.17-18p2 & 2019 Nov. 3.12-14p3), Marco Micheli on Mauna Kea (2019 Nov. 28.38p4, 2019 Dec. 3.21-22p4, May 20.61p1, 21.61p1, July 13.60p3 & Aug. 12.48p2), Santa Maria de Montmagastrell Obs. (2019 Dec. 1.87-89p3), Shinshiro Obs. (2019 Dec. 28.40-41p2), Buchloe Obs. (July 27.94-95p3), CSS (July 30.39-41p3), and PS2 (Aug. 16.53-56p4).

Observers on 6 September '20

A total of 54 observers appear in today's MPECs.

Code	Observer / observatory
`H21`	Astronomical Research Obs. Westfield in Illinois, 5 in MPECs 2020-R18, 2020-R19, 2020-R22, 2020-R23 & 2020-R24 -- 2020 RL, 2020 RK, 2020 RJ, 2020 RF, 2011 ES4
`T05`	ATLAS Haleakala in Hawaii, 2 in MPEC 2020-R19 -- 2020 HS8, 2013 UX14
`C77`	Bernezzo Obs. in Italy, 1 in MPEC 2020-R15 -- 2020 RF
`215`	Buchloe Obs. in Germany, 1 in MPEC 2020-R14 -- C/2019 Q1
`160`	Castelmartini Obs. in Italy, 15 in MPECs 2020-R15, 2020-R19, 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ, 2020 RF, 2020 LB3, 2016 NV38, 2013 PY6, 2012 DP8, 96744, 66008, 470678, 420302, 354952, 162173, 136900, 106538
`703`	Catalina Sky Survey (CSS) in Arizona, 3 in MPECs 2020-R14, 2020-R16 & 2020-R23 -- 2020 RK, 2020 RG, C/2019 Q1
`A77`	Chante-Perdrix Obs. in France, 1 in MPEC 2020-R14 -- C/2019 Q1
`850`	Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2020-R14 -- C/2019 Q1
`958`	Dax Obs. in France, 1 in MPEC 2020-R15 -- 2020 RF
`W84&`	program code "&" (15) via DECam in Chile, 4 in MPEC 2020-R19 -- 2017 HY48, 2017 FY64, 2017 FG63, 2017 CA33
`K87`	Dettelbach Vineyard Obs. in Germany, 1 in MPEC 2020-R14 -- C/2019 Q1
`J04`	ESA Optical Ground Station in the Canary Islands, 1 in MPEC 2020-R14 -- C/2019 Q1
`734`	Farpoint Obs. in Kansas, 2 in MPECs 2020-R18 & 2020-R22 -- 2020 RJ, 2011 ES4
`595`	Farra d'Isonzo Obs. in Italy, 3 in MPECs 2020-R15, 2020-R18 & 2020-R23 -- 2020 RK, 2020 RF, 2011 ES4
`F659`	Marco Micheli via Faulkes Telescope North in Hawaii, 1 in MPEC 2020-R19 -- 2020 QA
`K83`	Forti Obs., 4 in MPECs 2020-R15, 2020-R18, 2020-R19 & 2020-R23 -- 2020 RK, 2020 RF, 2020 LB3, 2011 ES4
`157`	Frasso Sabino Obs. in Italy, 1 in MPEC 2020-R14 -- C/2019 Q1
`X31`	Galilei Obs., 1 in MPEC 2020-R18 -- 2011 ES4
`K88`	GINOP-KHK in Hungary, 1 in MPEC 2020-R14 -- C/2019 Q1
`J95`	Great Shefford Obs. in England, 6 in MPECs 2020-R16, 2020-R18, 2020-R19, 2020-R22, 2020-R23 & 2020-R24 -- 2020 RL, 2020 RK, 2020 RJ, 2020 RG, 2020 RC, 2011 ES4
`H06`	iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-R18 -- 2011 ES4
`H06\|`	Hidetaka Sato in Japan via iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-R14 -- C/2019 Q1
`L51`	MARGO in Ukraine, 1 in MPEC 2020-R14 -- C/2019 Q1
`W92`	MASTER OAFA Obs., 1 in MPEC 2020-R19 -- 887
`568_`	Marco Micheli on Mauna Kea in Hawaii, 1 in MPEC 2020-R14 -- C/2019 Q1
`711`	McDonald Obs. in Texas, 1 in MPEC 2020-R14 -- C/2019 Q1
`V01`	Mountainville Obs. in Utah, 1 in MPEC 2020-R23 -- 2020 RK
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 10 in MPECs 2020-R14, 2020-R15, 2020-R17, 2020-R19, 2020-R22 & 2020-R24 -- 2020 RL, 2020 RJ, 2020 RF, 2020 PF7, 2020 OW3, 2020 KU3, 2020 HZ38, C/2019 Q1, 2017 QM18, 2006 WJ3
`J69`	North Obs. in England, 5 in MPECs 2020-R15, 2020-R18, 2020-R19 & 2020-R23 -- 2020 RK, 2020 RF, 2020 RC, 2020 RB, 2011 ES4
`Z80`	Northolt Branch Obs. in England, 5 in MPECs 2020-R18, 2020-R19 & 2020-R23 -- 2020 RK, 2020 RE, 2011 ES4, 285990, 136900
`G34`	Oberfrauendorf Obs. in Germany, 2 in MPECs 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 19 in MPECs 2020-R17, 2020-R18, 2020-R19, 2020-R20 & 2020-R21 -- 2020 QA5, 2020 PZ2, 2020 PX1, 2020 OQ7, 2020 OM1, 2020 OD8, 2020 LJ2, 2020 HZ38, 2018 RV3, 2016 RU, 2016 FY14, 2015 XJ261, 2014 NE64, 2011 QG9, 2011 ES4, 35107, 154302, 154275, 153306
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 13 in MPECs 2020-R14, 2020-R16, 2020-R17, 2020-R19 & 2020-R21 -- 2020 RG, 2020 RA, 2020 QV6, 2020 OD8, 2020 OA2, 2020 HZ38, C/2019 Q1, 2016 FY14, 2014 LW21, 2006 HB, 90147, 420302, 16960
`B49`	Paus Obs. in Spain, 2 in MPECs 2020-R15 & 2020-R23 -- 2020 RK, 2020 RF
`6581`	Dave Balam via Plaskett 1.8m Telescope in British Columbia, 1 in MPEC 2020-R14 -- C/2019 Q1
`L18`	QOS Obs., 3 in MPECs 2020-R18, 2020-R19 & 2020-R22 -- 2020 RJ, 2020 RC, 2011 ES4
`L04`	ROASTERR-1 in Romania, 3 in MPECs 2020-R15, 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ, 2020 RF
`104`	San Marcello Pistoiese Obs. in Italy, 6 in MPECs 2020-R15, 2020-R16, 2020-R18, 2020-R22, 2020-R23 & 2020-R24 -- 2020 RL, 2020 RK, 2020 RJ, 2020 RG, 2020 RF, 2011 ES4
`H36`	Sandlot Obs. in Kansas, 1 in MPEC 2020-R14 -- C/2019 Q1
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2020-R14 -- C/2019 Q1
`C95`	SATINO-1 in France, 2 in MPECs 2020-R14 & 2020-R19 -- C/2019 Q1, 2006 HB
`204`	Schiaparelli Obs. in Italy, 4 in MPECs 2020-R18, 2020-R19, 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ, 2020 RE, 2011 ES4
`Q11`	Shinshiro Obs., 1 in MPEC 2020-R14 -- C/2019 Q1
`G40*`	program code "*" (19) via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-R19 -- 2020 RC
`691`	Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2020-R14 -- C/2019 Q1
`291`	Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2020-R17 -- 2020 HZ38
`W34`	Squirrel Valley Obs. in North Carolina, 4 in MPECs 2020-R15, 2020-R18, 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ, 2020 RF, 2011 ES4
`I93`	St. Pardon de Conques Obs. in France, 5 in MPECs 2020-R14, 2020-R15, 2020-R18, 2020-R22 & 2020-R23 -- 2020 RK, 2020 RJ, 2020 RF, C/2019 Q1, 2011 ES4
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 41 in MPECs 2020-R14, 2020-R15, 2020-R16, 2020-R18, 2020-R19, 2020-R22, 2020-R23 & 2020-R24 -- 2020 RL, 2020 RK, 2020 RJ, 2020 RG, 2020 RF, 2020 RC, 2020 RB, 2020 RA, 2020 QY3, 2020 QW2, 2020 QV6, 2020 QV1, 2020 QS5, 2020 QS1, 2020 QP6, 2020 QP3, 2020 QN1, 2020 QM1, 2020 QM, 2020 QJ6, 2020 QG6, 2020 QG3, 2020 QE3, 2020 PX4, 2020 PX3, 2020 PR3, 2020 PK3, 2020 PK2, 2020 PG, 2020 PF7, 2020 PD1, 2020 PC5, 2020 OW3, 2020 OS3, 2020 OR7, 2020 NF, 2020 MF2, 2020 LR, 2020 HS8, C/2019 Q1, 2011 ES4
`461`	SZTE Asteroid Program in Hungary, 1 in MPEC 2020-R14 -- C/2019 Q1
`W33`	Transit Dreams Obs., 2 in MPECs 2020-R18 & 2020-R23 -- 2020 RK, 2011 ES4
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-R19 -- 2016 WQ1
`L01`	Visnjan Obs. in Croatia, 7 in MPECs 2020-R14, 2020-R15, 2020-R16, 2020-R18, 2020-R22, 2020-R23 & 2020-R24 -- 2020 RL, 2020 RK, 2020 RJ, 2020 RG, 2020 RF, C/2019 Q1, 2011 ES4
`G23`	Vulpecula Obs., 1 in MPEC 2020-R19 -- 159402
`I41`	Zwicky Transient Facility (ZTF) in southern California, 5 in MPEC 2020-R19 -- 85804, 382625, 2100, 1943, 1685

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

Impact Risk Monitoring on 6 September '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 RK	JPL Sentry	2305	2089-2089	1	1.093e-07	-7.19	-7.19	0	JPL: Computed at 15:59 today Pacific time based on 70 observations spanning 1.6322 days (2020-Sep-05.24723 to 2020-Sep-06.87946). Diameter approximately 0.031 km. from weighted mean H=25.21.

2020 QN1	JPL Sentry	1700	2110-2119	4	1.59407e-06	-5.31	-5.63	0	JPL: Computed at 07:09 today Pacific time based on 35 observations spanning 36.995 days (2020-Jul-31.38815 to 2020-Sep-06.38338). Diameter approximately 0.081 km. from weighted mean H=23.11.

2018 RR1	JPL Sentry	1700	2083-2118	15	2.413506e-05	-7.42	-7.53	0	JPL: Computed at 08:47 Sept. 18th of 2018 Pacific time based on 34 observations spanning 8.0739 days (2018-Sep-07.39342 to 2018-Sep-15.467288). Diameter approximately 0.004 km. from weighted mean H=29.94.

2016 NL56	JPL Sentry	1700	2023-2118	259	7.179225e-07	-3.57	-4.25	0	JPL: Computed at 20:13 March 5th of 2018 Pacific time based on 6 observations spanning 2.7820 days (2016-Jul-12.443828 to 2016-Jul-15.225848). Diameter approximately 0.265 km. from weighted mean H=20.61.

2016 EL1	JPL Sentry	1700	2068-2109	6	5.4003e-07	-7.54	-7.98	0	JPL: Computed at 00:00 April 15th of 2017 Pacific time based on 26 observations spanning .62176 days (2016-Mar-03.3198 to 2016-Mar-03.94156). Diameter approximately 0.009 km. from weighted mean H=27.84.

2011 ES4	JPL Sentry	1700	R E M O V E D						JPL: Risk listing removed at 1614 UTC today

2010 RF12	JPL Sentry	1700	2095-2119	59	0.0471172460257	-3.31	-3.32	0	JPL: Computed at 11:16 May 11th Pacific time based on 323 observations spanning 5.0215 days (2010-Sep-03.493269 to 2010-Sep-08.514787). Diameter approximately 0.007 km. from weighted mean H=28.37.

1999 RZ31	JPL Sentry	1700	2056-2056	2	1.5938e-06	-5.19	-5.25	0	JPL: Computed at 12:40 April 10th of 2017 Pacific time based on 44 observations spanning 14.002 days (1999-Sep-07.40484 to 1999-Sep-21.40733). Diameter approximately 0.059 km. from weighted mean H=23.79.

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 6 September '20

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

2305	Noted that JPL Sentry has posted 2020 RK as an impact risk - see above Grabbed MPEC 2020-R21 - 2020 OD8 - see above Grabbed MPEC 2020-R22 - 2020 RJ - see above Grabbed MPEC 2020-R23 - 2020 RK - see above Grabbed MPEC 2020-R24 - 2020 RL - see above
2003	Grabbed MPEC 2020-R20 - 2018 RV3 - see above
1700	Noted that JPL Sentry has updated its 1999 RZ31 risk assessment - see above Noted that JPL Sentry has updated its 2010 RF12 risk assessment - see above Noted that JPL Sentry has removed 2011 ES4 as an impact risk - see above Noted that JPL Sentry has updated its 2016 EL1 risk assessment - see above Noted that JPL Sentry has updated its 2016 NL56 risk assessment - see above Noted that JPL Sentry has updated its 2018 RR1 risk assessment - see above Noted that JPL Sentry has updated its 2020 QN1 risk assessment - see above Grabbed MPEC 2020-R18 - 2011 ES4 - see above Grabbed MPEC 2020-R19 - Daily Orbit Update - see above
0530	Grabbed MPEC 2020-R14 - Comet C/2019 Q1 (Lemmon) - see above Grabbed MPEC 2020-R15 - 2020 RF - see above Grabbed MPEC 2020-R16 - 2020 RG - see above Grabbed MPEC 2020-R17 - 2020 HZ38 - see above

http://www.HohmannTransfer.com/mn/20/20250_0906.htm
Publisher information, privacy statement, and disclaimer.
This page is © Copyright 2020 Columbine of Maine - All Rights Reserved
Any mentioned trademarks are the property of their respective owners.
Various tabular formats and data used on this page are acknowledged as belonging to JPL, MPC, NEODyS, and/or others.
Do NOT copy, mirror, or embed this page, but you are welcome to link to it, and you may embed the RSS news feed. All information here is subject to very frequent change during the day of news compilation. Individuals may make copies for their own private, non-commercial use. Please report broken links or other problems with this page to <webmaster@hohmanntransfer.com>.