2020-08-16 Tracking News

Contents on 16 August '20

IAU Minor Planet Center
- NEOCP Activity -- 101 listings
- New MPECs -- 28 MPECs
Observers -- 50 observers
Impact Risk Monitoring -- eight objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1143 risk-listed objects, 74 have had news in the last 31 days. Updated at 2311 UTC on 16 Aug.
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 16 August '20

The MPC's NEO Confirmation Page has 101 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 101 objects listed. Of these, 42 were "one nighters." So far The Tracking News has counted a total of 138 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 16 August '20

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been 28 MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2020-Q01 time-stamped "02:17 UT" - Comet C/2020 P3 (ATLAS) - see below
MPEC 2020-Q02 time-stamped "10:12 UT" - 2020 PM3 - see below
MPEC 2020-Q03 time-stamped "10:14 UT" - 2020 PN3 - see below
MPEC 2020-Q04 time-stamped "10:21 UT" - 2020 PO3 - see below
MPEC 2020-Q05 time-stamped "10:22 UT" - 2020 PP3 - see below
MPEC 2020-Q06 time-stamped "10:24 UT" - 2020 PQ3 - see below
MPEC 2020-Q07 time-stamped "10:28 UT" - 2020 PR3 - see below
MPEC 2020-Q08 time-stamped "10:30 UT" - 2020 PS3 - see below
MPEC 2020-Q09 time-stamped "12:06 UT" - Daily Orbit Update - see below
MPEC 2020-Q10 time-stamped "15:00 UT" - 2010 RF181 - see below
MPEC 2020-Q11 time-stamped "15:07 UT" - 2013 RH74 - see below
MPEC 2020-Q12 time-stamped "15:10 UT" - 2017 SN2 - see below
MPEC 2020-Q13 time-stamped "15:13 UT" - 2020 PU3 - see below
MPEC 2020-Q14 time-stamped "15:14 UT" - 2020 PV3 - see below
MPEC 2020-Q15 time-stamped "15:34 UT" - 2020 PW3 - see below
MPEC 2020-Q16 time-stamped "15:37 UT" - 2020 PX3 - see below
MPEC 2020-Q17 time-stamped "16:05 UT" - 2015 DJ249 - see below
MPEC 2020-Q18 time-stamped "16:41 UT" - 2020 PY3 - see below
MPEC 2020-Q19 time-stamped "16:41 UT" - 2020 PZ3 - see below
MPEC 2020-Q20 time-stamped "16:42 UT" - 2020 PA4 - see below
MPEC 2020-Q21 time-stamped "16:43 UT" - 2020 PB4 - see below
MPEC 2020-Q22 time-stamped "16:44 UT" - 2020 PC4 - see below
MPEC 2020-Q23 time-stamped "18:10 UT" - 2020 PM4 - see below
MPEC 2020-Q24 time-stamped "19:05 UT" - 2020 PO4 - see below
MPEC 2020-Q25 time-stamped "22:19 UT" - 2020 PP4 - see below
MPEC 2020-Q26 time-stamped "23:50 UT" - 2020 PR4 - see below
MPEC 2020-Q27 time-stamped "23:52 UT" - 2020 PS4 - see below
MPEC 2020-Q28 time-stamped "23:53 UT" - 2020 PT4

MPEC 2020-Q28 - "23:53 UT" - 2020 PT4

K20P04T 2020 PT4 (small asteroid, Earth MOID=2.1 LD, H=24.9 ~35m) was picked up at 0948 UT on 13 Aug. by Pan-STARRS 1 (PS1), observing it at Aug. 13.41-44p4 at w=21.85-22.84. This detection was confirmed by program code "," (21) via Faulkes Telescope North (Aug. 14.48-49p4) and R. Wainscoat on Mauna Kea (Aug. 16.48-49p4 at G=22.13-84).

MPEC 2020-Q27 - "23:52 UT" - 2020 PS4

K20P04S 2020 PS4 (Earth MOID=0.7 LD, H=21.7 ~155m) was picked up at 0853 UT on 13 Aug. by PS1, observing it at Aug. 13.37-39p3 at w=21.99-22.15. This detection was confirmed by Mt. John Obs. (Aug. 14.56-57p3 at G=21.2-22.2, 15.46-47p3 at G=21.4-9 & 16.57-58p3 at G=21.2-7).

MPEC 2020-Q26 - "23:50 UT" - 2020 PR4

K20P04R 2020 PR4 (small asteroid, H=23.7 ~62m) was picked up at 1257 UT on 14 Aug. by PS1, observing it at Aug. 12.51-54p4 at G=21.52-24.35 and 14.54-57p3 at w=21.73-22.62. This detection was confirmed by Astronomical Research Obs. Westfield (Aug. 15.29-31p3 at V=21.6-22.1) and R. Wainscoat/Mauna Kea (Aug. 15.46p3 at G=21.63-22.22).

MPEC 2020-Q25 - "22:19 UT" - 2020 PP4

K20P04P 2020 PP4 (small asteroid, H=25.03 ~33m) was picked up at 1253 UT on 14 Aug. by PS1, observing it at Aug. 14.54-57p4 and 15.43-45p2. This detection was confirmed by ARO Westfield (Aug. 15.32-33p3), R. Wainscoat/Mauna Kea (Aug. 15.48-49p3), and Pan-STARRS 2 (PS2) (Aug. 16.57-60p3).

MPEC 2020-Q24 - "19:05 UT" - 2020 PO4

K20P04O 2020 PO4 (risk listed, Earth MOID=1.2 LD, H=26.95 ~14m) was picked up at 0917 UT on 12 Aug. by PS1, observing it at Aug. 12.39-41p3 at w=21.91-22.53. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 13.46p3 at G=21.91-22.01 & 16.47p3 at G=22.19-28).

MPEC 2020-Q23 - "18:10 UT" - 2020 PM4

K20P04M 2020 PM4 (borderline-small, Earth MOID=4.3 LD, H=22.00 ~135m) was picked up at 1010 UT on 15 Aug. by the Mt. Lemmon Survey (MLS), observing it at Aug. 15.42-44p4. This detection was confirmed by Steward Obs. Mt. Lemmon Station (Aug. 15.45-49p8), Xingming Obs. #3 (Aug. 15.92-93p8), Visnjan Obs. (Aug. 16.07p2), SATINO-1 (Aug. 16.15p2), Cordell-Lorenz Obs. (Aug. 16.25-28p3 & 16.34-39p3), Sandlot Obs. (Aug. 16.40-41p4), and ATLAS Mauna Loa (Aug. 16.57-61p4).

MPEC 2020-Q22 - "16:44 UT" - 2020 PC4

K20P04C 2020 PC4 (Earth MOID=5.0 LD, H=25.62 ~25m) was picked up at 1054 UT on 14 Aug. by PS1, observing it at Aug. 14.45-49p4. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 15.44p3) and ESA Optical Ground Station (ESA OGS) (Aug. 16.02-03p3).

MPEC 2020-Q21 - "16:43 UT" - 2020 PB4

K20P04B 2020 PB4 (small asteroid, H=24.16 ~50m) was picked up at 0735 UT on 14 Aug. by PS1, observing it at Aug. 14.32-34p3 at w=22.11-40. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 15.40p3) and Mt. John Obs. (Aug. 15.41-43p3 & 16.52p2).

MPEC 2020-Q20 - "16:42 UT" - 2020 PA4

K20P04A 2020 PA4 (small asteroid, H=23.02 ~84m) was picked up at 0946 UT on 14 Aug. by PS1, observing it at Aug. 14.41-44p4. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 15.43p3) and Mt. John Obs. (Aug. 15.56p3 & 16.65-66p3).

MPEC 2020-Q19 - "16:41 UT" - 2020 PZ3

K20P03Z 2020 PZ3 (small asteroid, H=25.07 ~33m) was picked up at 0843 UT on 13 Aug. by PS1, observing it at Aug. 13.36-39p3 at w=21.74-22.19. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 14.43-44p3) and Mt. John Obs. (Aug. 16.54-55p3).

MPEC 2020-Q18 - "16:41 UT" - 2020 PY3

K20P03Y 2020 PY3 (small asteroid, H=23.92 ~56m) was picked up at 0858 UT on 14 Aug. by PS1, observing it at Aug. 14.37-43p12. This detection was confirmed by Gisborne Obs. (Aug. 15.52-57p6) and Mt. John Obs. (Aug. 15.55p3 & 16.67p4).

MPEC 2020-Q17 - "16:05 UT" - 2015 DJ249

K15DO9J 2015 DJ249 (q=39.712 AU, Q=62.748 AU, H=6.5 ~170 km) from the Sloan Digital Sky Survey (SDSS) (2002 Feb. 13.25-26p4 at g=21.6-23.5, 2006 Nov. 18.45p3 at i=22.0-22.5 & 2007 March 14.23p4 at g=21.3-23.6), program code "&" (15) via DECam (2015 Feb. 24.05p1 at r=22.6, 2015 Feb. 27.05p1, 2015 March 8.24p1 at r=22.3, 2015 March 19.01p1 at i=21.9, 2015 March 23.12p1 at g=23.3, 2015 April 9.06p1 at z=21.9, 2016 Jan. 16.29p2 at g=22.4-7, 2016 Feb. 28.28p1 at z=21.9, 2016 Dec. 29.32p1 at g=23.4, 2017 March 4.12p1 at g=23.3, 2017 March 30.99p1 at z=21.8, 2018 Feb. 7.38p1 at z=21.7 & 2018 Feb. 8.33p1 at z=21.7), and program code "-" (22) via Cerro Paranal (2015 May 17.00-07p8 at g=22.3-23.5 & 2015 May 18.02-03p4 at g=23.7)

MPEC 2020-Q16 - "15:37 UT" - 2020 PX3

K20P03X 2020 PX3 (H=20.4 ~282m) was picked up at 0846 UT on 14 Aug. by PS1, observing it at Aug. 14.37-39p4. This detection was confirmed by Mt. John Obs. (Aug. 15.34p4 & 16.48p3) and Gisborne Obs. (Aug. 15.58-60p4).

MPEC 2020-Q15 - "15:34 UT" - 2020 PW3

K20P03W 2020 PW3 (small asteroid, H=22.7 ~98m) was picked up at 0633 UT on 14 Aug. by PS1, observing it at Aug. 14.27-30p3. This detection was confirmed by Mt. John Obs. (Aug. 14.40-41p5, 15.30p5 & 16.40p3).

MPEC 2020-Q14 - "15:14 UT" - 2020 PV3

K20P03V 2020 PV3 (small asteroid, H=24.9 ~35m) was picked up at 0858 UT on 14 Aug. by PS1, observing it at Aug. 14.37-43p8. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 15.41p7) and Mt. John Obs. (Aug. 15.49-50p3 & 16.61p3).

MPEC 2020-Q13 - "15:13 UT" - 2020 PU3

K20P03U 2020 PU3 (risk listed, Earth MOID=0.9 LD, H=26.9 ~14m, close passer) was picked up at 0850 UT on 13 Aug. by PS1, observing it at Aug. 13.37-40p4. This detection was confirmed by R. Wainscoat/Mauna Kea (Aug. 14.44p3) and Mt. John Obs. (Aug. 15.45-46p4 & 16.56-57p4).

MPEC 2020-Q12 - "15:10 UT" - 2017 SN2

K17S02N 2017 SN2 (H=21.1 ~204m) from Mt. John Obs. (Aug. 14.66-67p4 & 15.69-70p3)

MPEC 2020-Q11 - "15:07 UT" - 2013 RH74

K13R74H 2013 RH74 (Earth MOID=7.9 LD, H=20.9 ~224m) from UH/Tholen NEO Follow-Up CFH Telescope (Aug. 14.60p3 at G=22.35-45 & 15.60-61p3 at G=22.30-38)

MPEC 2020-Q10 - "15:00 UT" - 2010 RF181

K10RI1F 2010 RF181 (Earth MOID=7.1 LD, H=20.7 ~245m) from Tholen CFHT (Aug. 14.61p3 at G=22.61-71 & 15.61p3 at G=22.24-41)

<< DOU on 16 August '20 >> MPEC 2020-Q09 - "12:06 UT" - Daily Orbit Update

Observations of risk-listed objects
K20P02W 2020 PW2 (small asteroid, arc=2 days, H=28.7 ~6m, close passer) from ESA OGS (Aug. 15.94p2)
K20P02Q 2020 PQ2 (small asteroid, Q=4.238 AU, arc=7 days, H=24.6 ~41m, close passer) from ESA OGS (Aug. 15.93p3)
K20P00S 2020 PS (small asteroid, arc=6 days, H=24.1 ~51m, close passer) from ESA OGS (Aug. 15.87p3)
K20O05Y 2020 OY5 (small asteroid, arc=18 days, H=23.7 ~62m, close passer) from ESA OGS (Aug. 15.91-93p2)
K19Y01V 2019 YV1 (small asteroid, arc=66 days, H=25.2 ~31m, close passer, NHATS target) from Schiaparelli Obs. (2019 Dec. 22.77-78p2)
Observations of close-passing objects
K20P02L 2020 PL2 (arc=2 days, H=23.1 ~81m) from Paus Obs. (Aug. 15.84p2)
K19Y01H 2019 YH1 (arc=13 days, H=26.1 ~20m) from Schiaparelli Obs. (2019 Dec. 23.07p3)
i1987 441987 2010 NY65 (radar support) from PS1 (Aug. 15.29-33p4)
Observation campaigns (NHATS targets, radar support)
K20M00X 2020 MX (arc=45 days, H=24.0 ~54m, NHATS) from Schiaparelli Obs. (July 24.90-91p3)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20P02G 2020 PG2 (arc=3 days, H=24.4 ~45m) from Mt. John Obs. (Aug. 15.33p4)
K20P00G 2020 PG (arc=6 days, H=23.6 ~65m) from Schiaparelli Obs. (Aug. 10.01-02p2)
K20N00U 2020 NU (arc=48 days, H=22.5 ~107m) from ARO Westfield (Aug. 15.12-13p2 at V=22.4-7)
K20N00F 2020 NF (arc=93 days, H=23.9 ~56m) from Purple Mtn. Obs. Xuyi Station (Aug. 15.64-65p2)
K20M04A 2020 MA4 (arc=55 days, H=22.1 ~129m) from Schiaparelli Obs. (July 24.95-97p2)
K20K02E 2020 KE2 (Q=4.400 AU, arc=90 days, H=23.3 ~74m) from ARO Westfield (Aug. 15.37-39p3 at V=22.7-23.1)
K20J03Q 2020 JQ3 (arc=116 days, H=22.7 ~98m) from ARO Westfield (Aug. 15.39-40p3 at V=22.1-4)
K13Q10L 2013 QL10 (arc=2 opp, H=22.8 ~93m) from PS2 (Aug. 14.51-54p3)
K09P01Q 2009 PQ1 (arc=2 opp, H=22.6 ~102m) from Castelmartini Obs. (Aug. 14.95-96p3)
K19U12N 2019 UN12 (q=0.359 AU, Q=4.167 AU, arc=21 days, H=22.0 ~135m) from MLS (2019 Oct. 23.43-44p3)
Observations of other objects
K20O02U 2020 OU2 (arc=45 days, H=21.3 ~186m) from iTelescope Obs. Siding Spring (Aug. 13.48-56p3)
K20N01Q 2020 NQ1 (Q=4.093 AU, arc=30 days, H=20.3 ~295m) from Schiaparelli Obs. (Aug. 9.98-99p2)
K20N01M 2020 NM1 (arc=36 days, H=20.1 ~323m) from Farpoint Obs. (Aug. 16.15-16p5)
K20M03Z 2020 MZ3 (Q=4.361 AU, arc=77 days, H=19.9 ~355m) from Schwarzschild Obs. (Aug. 16.07p2)
K19Y02O 2019 YO2 (arc=18 days, H=21.6 ~162m) from Schiaparelli Obs. (2019 Dec. 23.13-16p2)
K19X03Q 2019 XQ3 (i=50.9°, arc=9 days, H=20.7 ~245m) from Schiaparelli Obs. (2019 Dec. 23.21-22p3)
K19X01E 2019 XE1 (arc=52 days, H=19.6 ~407m) from MLS (2019 Oct. 30.44-45p2)
K19A05N 2019 AN5 (arc=5 opp, H=21.1 ~204m) from Taurus-1 Obs. (Aug. 14.87-88p13) and Iota Scorpii Obs. (Aug. 15.84-88p12)
K18P10P 2018 PP10 (arc=4 opp, H=21.0 ~214m) from Xuyi Sta. (Aug. 15.69-70p2)
K18A00X 2018 AX (arc=2 opp, H=20.9 ~224m) from ARO Westfield (Aug. 15.09-11p3 at V=22.1-2)
K15XQ1W 2015 XW261 (arc=4 opp, H=21.4 ~178m) from ARO Westfield (Aug. 15.09-10p3 at V=22.1-2)
K14N64F 2014 NF64 (Q=4.904 AU, arc=5 opp, H=18.2 ~776m) from Schiaparelli Obs. (2019 Dec. 23.81-82p3)
K14N64E 2014 NE64 (i=41.6°, arc=3 opp, H=18.9 ~562m) from Castelmartini Obs. (Aug. 14.94-95p3)
K14L21W 2014 LW21 (Q=5.412 AU, arc=3 opp, H=18.6 ~645m) from Castelmartini Obs. (Aug. 14.90p3) and Xuyi Sta. (Aug. 15.63-66p5)
K13P02V 2013 PV2 (arc=3 opp, H=20.0 ~339m) from Schiaparelli Obs. (2019 Dec. 23.79-80p3)
K12UD8R 2012 UR138 (arc=66 days, H=21.4 ~178m) from PS1 (2012 Oct. 9.47-51p2 & 2012 Oct. 19.41-42p2)
K12TN1S 2012 TS231 (arc=175 days, H=21.0 ~214m) from PS1 (2012 May 12.47-48p2, 2012 June 8.34-35p2, 2012 Sept. 27.63-64p2 & 2012 Oct. 8.45-46p2)
K12R16V 2012 RV16 (Q=4.627 AU, arc=241 days, H=19.6 ~407m) from PS1 (2012 Aug. 9.60-61p2)
K06U63D 2006 UD63 (arc=4 opp, H=18.9 ~562m) from Castelmartini Obs. (Aug. 14.89p3) and Xuyi Sta. (Aug. 15.64-67p3)
K06H00B 2006 HB (arc=4 opp, H=18.9 ~562m) from Castelmartini Obs. (Aug. 14.91p3) and Xuyi Sta. (Aug. 15.63-66p3)
K05Q10S 2005 QS10 (arc=4 opp, H=18.7 ~616m) from Castelmartini Obs. (Aug. 14.92p3)
K04R84F 2004 RF84 (arc=4 opp, H=18.3 ~741m) from Xuyi Sta. (Aug. 15.73-75p2)
K00P27Q 2000 PQ27 (arc=3 opp, H=19.9 ~355m) from SATINO-1 (Aug. 15.06-07p2)
J99H01V 1999 HV1 (arc=7 opp, H=17.6 ~1.02 km) from Xuyi Sta. (Aug. 15.81-84p3)
o8905 508905 2003 WX87 from PS1 (Aug. 15.35-37p3)
o5019 505019 2011 QH21 from MLS (Aug. 15.33-34p3)
n7135 497135 2004 QD20 from ATLAS Haleakala (Aug. 15.46-48p4) and PS2 (Aug. 15.50-51p2)
n5891 495891 2004 VS60 from PS2 (Aug. 16.26-30p3)
l7519 477519 2010 DJ56 from ATLAS Mauna Loa (Aug. 15.42-44p4)
g0302 420302 2011 XZ1 from ATLAS Haleakala (Aug. 15.50-51p4) and program code 1 via Kuban State Univ. Obs. (Aug. 15.86-91p21)
Z7058 357058 2001 OG25 from MLS (Aug. 15.40-42p4)
Z4952 354952 2006 FJ9 from PS1 (Aug. 15.43-46p3)
V5020 315020 2007 BG49 from Xuyi Sta. (Aug. 15.71-74p3)
N0979 230979 2005 AT42 from PS1 (Aug. 15.42-46p4)
M1980 221980 1996 EO from Xuyi Sta. (Aug. 15.83-84p2)
L7430 217430 2005 SN25 from Xuyi Sta. (Aug. 15.72-75p3)
I9630 189630 2001 LE6 from PS2 (Aug. 15.41-45p4) and ATLAS Mauna Loa (Aug. 15.46-48p4)
I6822 186822 2004 FE31 from Xuyi Sta. (Aug. 15.50-52p2)
G2900 162900 2001 HG31 from PS2 (Aug. 15.45-49p4)
G2566 162566 2000 RJ34 from PS1 (Aug. 15.34-37p3)
G2173 162173 Ryugu (1999 JU3) from Shinshiro Obs. (Aug. 14.72-73p3)
F9928 159928 2005 CV69 from ATLAS Mauna Loa (Aug. 15.54-56p4)
F9856 159856 2004 JW6 from MLS (Aug. 15.47-49p4)
F4631 154631 2003 WO25 from PS1 (Aug. 15.43-46p4)
F3591 153591 2001 SN263 from PS1 (Aug. 15.38-41p4)
E5656 145656 4788 P-L from Xuyi Sta. (Aug. 15.72-75p3)
E3624 143624 2003 HM16 from MLS (Aug. 15.45-47p4)
E0333 140333 2001 TD2 from MLS (Aug. 15.47-49p4)
D8847 138847 2000 VE62 from PS2 (Aug. 16.27-29p3)
D7802 137802 1999 YT from PS1 (Aug. 16.29-32p4)
D7120 137120 1999 BJ8 from ATLAS Mauna Loa (Aug. 15.46-48p4), PS2 (Aug. 15.46-49p3), and Xuyi Sta. (Aug. 15.69-70p2)
D7108 137108 1999 AN10 from ATLAS Haleakala (Aug. 15.48-50p4)
D6900 136900 1998 HL49 from JPL SynTrack Robotic Telescope (Aug. 15.41p2 & 15.46p2)
A6538 106538 2000 WK63 from PS1 (Aug. 15.42-46p4) and ATLAS Mauna Loa (Aug. 15.53-57p4)
87311 87311 2000 QJ1 from ATLAS Mauna Loa (Aug. 15.45-47p4) and Xuyi Sta. (Aug. 15.63-66p2)
85275 85275 1994 LY from Kuban State Univ. Obs./code 1 (Aug. 15.79-85p31)
68950 68950 2002 QF15 from Xuyi Sta. (Aug. 15.50-53p3)
66251 66251 1999 GJ2 from Xuyi Sta. (Aug. 15.51-52p2)
66008 66008 1998 QH2 from ATLAS Haleakala (Aug. 15.46-50p5)
54789 54789 2001 MZ7 from PS1 (Aug. 15.38-41p4)
54401 54401 2000 LM from Xuyi Sta. (Aug. 15.51-52p2)
53435 53435 1999 VM40 from ATLAS Mauna Loa (Aug. 15.60-63p4)
20460 20460 Robwhiteley (1999 LO28) from MLS (Aug. 15.33-34p3)
19764 19764 2000 NF5 from ATLAS Mauna Loa (Aug. 15.50-54p4)
18736 18736 1998 NU from ESA OGS (July 21.15-16p2)
17182 17182 1999 VU from Xuyi Sta. (Aug. 15.72-75p5)
16960 16960 1998 QS52 from PS2 (Aug. 15.41-44p4)
15817 15817 Lucianotesi (1994 QC) from MLS (Aug. 15.40-42p3)
12538 12538 1998 OH from Xuyi Sta. (Aug. 15.81-83p3)
11405 11405 1999 CV3 from ATLAS Mauna Loa (Aug. 15.25-27p3)
08037 8037 1993 HO1 from Xuyi Sta. (Aug. 15.81-84p3)
08035 8035 1992 TB from Xuyi Sta. (Aug. 15.73-74p2)
07025 7025 1993 QA from PS1 (Aug. 15.43-46p4)
06037 6037 1988 EG from PS1 (Aug. 16.30-32p3)
04953 4953 1990 MU from ATLAS Mauna Loa (Aug. 15.61-63p4)
04503 4503 Cleobulus (1989 WM) from MLS (Aug. 15.40-42p4)
04341 4341 Poseidon (1987 KF) from PS1 (Aug. 15.34-36p2)
04197 4197 Morpheus (1982 TA) from ATLAS Mauna Loa (Aug. 15.52-57p4)
04055 4055 Magellan (1985 DO2) from MLS (Aug. 15.43-44p4)
03752 3752 Camillo (1985 PA) from Xuyi Sta. (Aug. 15.59-60p2)
03288 3288 Seleucus (1982 DV) from ATLAS Mauna Loa (Aug. 15.53-60p4)
01917 1917 Cuyo (1968 AA) from Xuyi Sta. (Aug. 15.52-53p2)
01865 1865 Cerberus (1971 UA) from PS2 (Aug. 16.30-34p3)
01221 1221 Amor (1932 EA1) from ATLAS Mauna Loa (Aug. 15.42-44p4)
00887 887 Alinda (1918 DB) from ATLAS Mauna Loa (Aug. 15.57-63p4)

MPEC 2020-Q08 - "10:30 UT" - 2020 PS3

K20P03S 2020 PS3 (H=21.3 ~186m) was picked up at 1408 UT on 13 Aug. by ATLAS Haleakala, observing it at Aug. 13.59-62p7 and 14.54-55p4. This detection was confirmed by SATINO-1 (Aug. 14.05-08p3), Sandlot Obs. (Aug. 14.37-38p3), PS2 (Aug. 14.56-59p4), Pascoli Obs. (Aug. 15.02-04p4), St. Pardon de Conques Obs. (Aug. 15.07-08p2), ARO Westfield (Aug. 15.31-32p3), ESA OGS (Aug. 16.02p3), and Schwarzschild Obs. (Aug. 16.06p3).

MPEC 2020-Q07 - "10:28 UT" - 2020 PR3

K20P03R 2020 PR3 (small asteroid, H=23.0 ~85m) was picked up at 1913 UT on 14 Aug. by MARGO, observing it at Aug. 14.80-85p3 and 15.83-84p5. This detection was confirmed by Galhassin Robotic Telescope (Aug. 15.81-82p2 & 15.87p1), ESA OGS (Aug. 15.88p3), Visnjan Obs. (Aug. 15.93-94p4), Pascoli Obs. (Aug. 15.94-95p3), Galilei Obs. (Aug. 15.96-01p6), Squirrel Valley Obs. (Aug. 16.06-09p6), Sandlot Obs. (Aug. 16.11-12p3), and Farpoint Obs. (Aug. 16.13p4).

MPEC 2020-Q06 - "10:24 UT" - 2020 PQ3

K20P03Q 2020 PQ3 (small asteroid, Earth MOID=3.7 LD, H=24.8 ~37m) was picked up at 0953 UT on 13 Aug. by PS1, observing it at Aug. 13.41-45p4. This detection was confirmed by PS2 (Aug. 9.50p1 & 12.42p1), R. Wainscoat/Mauna Kea (Aug. 14.49p3), ESA OGS (Aug. 15.94-96p2), Schwarzschild Obs. (Aug. 16.05p3 at V=23.0-5), and ARO Westfield (Aug. 16.29-30p2).

MPEC 2020-Q05 - "10:22 UT" - 2020 PP3

K20P03P 2020 PP3 (small asteroid, Earth MOID=4.3 LD, H=24.8 ~37m) was picked up at 0832 UT on 14 Aug. by MLS, observing it at Aug. 11.46-48p2, 14.36-37p4, and 14.47-48p4. This detection was confirmed by ARO Westfield (Aug. 15.30-31p4), Steward Mt. Lemmon Sta. (Aug. 15.34-35p3), Schwarzschild Obs. (Aug. 15.99p3), ESA OGS (Aug. 16.02p3), and Sandlot Obs. (Aug. 16.38-39p2).

MPEC 2020-Q04 - "10:21 UT" - 2020 PO3

K20P03O 2020 PO3 (i=36.1°, H=20.1 ~323m) was picked up at 0759 UT on 12 Aug. by PS1, observing it at July 17.47-51p3 at G=21.67-23.51, Aug. 8.48-51p4 at G=21.50-22.65, and 12.33-37p7 at w=21.43-22.11. This detection was confirmed by Schwarzschild Obs. (Aug. 13.01-02p3 at V=22.0-22.8), ARO Westfield (Aug. 15.20-21p2 at V=21.8-22.1), and McDonald Obs. (Aug. 16.20p2).

MPEC 2020-Q03 - "10:14 UT" - 2020 PN3

K20P03N 2020 PN3 (H=20.9 ~224m) was picked up at 0731 UT on 13 Aug. by PS1, observing it at Aug. 13.31-36p3. This detection was confirmed by PS2 (July 21.42-44p3 at G=20.48-21.70, 25.54-56p3 at G=21.37-22.29 & Aug. 11.37p1 at G=21.19), R. Wainscoat/Mauna Kea (Aug. 15.38p3), ESA OGS (Aug. 15.89-90p3), and Schwarzschild Obs. (Aug. 16.03-04p3 at V=22.9-23.7).

MPEC 2020-Q02 - "10:12 UT" - 2020 PM3

K20P03M 2020 PM3 (Centaur, q=12.209 AU, Q=29.447 AU, H=9.4 ~44.6 km) was picked up at 0956 UT on 13 Aug. by PS1, observing it at 2015 June 19.57-60p4 at G=21.47-92, 2016 June 2.58-60p4 at G=21.76-22.72, 2016 June 13.56-60p4 at G=21.55-22.57, 2016 July 5.49-52p4 at G=21.52-75, 2016 July 31.47p1 at G=21.60, 2016 Aug. 27.37-40p4 at G=21.21-56, 2016 Nov. 1.22-25p4 at G=21.66-22.01, 2017 Sept. 26.31-34p4 at G=21.24-80, 2017 Dec. 8.21-22p4 at G=21.62-22.13, 2018 July 9.58-60p4 at G=21.20-47, 2018 Aug. 6.48-52p5 at G=21.25-55, 2018 Aug. 13.48-51p4 at G=21.00-20, 2019 July 1.56-60p4 at G=20.89-21.03, 2019 July 10.53-56p4 at G=20.67-21.14, 2019 July 30.48-52p4 at G=20.84-94, 2019 Aug. 21.42-45p4 at G=20.46-21.01, 2019 Sept. 6.41-45p4 at G=20.53-73, 2019 Sept. 17.39-42p3 at G=20.94-21.12, 2019 Sept. 25.38-41p3 at G=20.84-93, 2019 Nov. 26.24-27p4 at G=21.19-31, June 23.55-58p3 at G=20.52-21.11, July 28.51-55p4 at G=20.72-85, and Aug. 13.41-45p3 at w=20.80-85. This detection was confirmed by PS2 (July 17.51-54p4, 20.50-52p3, Aug. 12.41-45p4 & 14.46-50p4), Faulkes North/code "," (21) (Aug. 14.42-44p6), and Visnjan Obs. (Aug. 15.96p1 & 15.99p1).

MPEC 2020-Q01 - "02:17 UT" - Comet C/2020 P3 (ATLAS)

CK20P030 C/2020 P3 (ATLAS) (i=61.7°, q=6.766 AU, Q=94.798 AU, TP=2021 Apr. 10.90359 TT) was picked up at 1340 UT on 9 Aug. by ATLAS Mauna Loa, observing it at Aug. 9.57-59p4. This detection was confirmed by Visnjan Obs. (Aug. 9.95-96p4 & 10.95p3), Salvatore di Giacomo Obs. (Aug. 10.04-09p3, 11.05-09p2 & 12.04-09p3), Golden Ears Obs. (Aug. 10.33-38p3), Hidetaka Sato via iTelescope Obs. Mayhill (Aug. 10.43-44p3), Faulkes North/code "," (21) (Aug. 10.58-59p5), ROASTERR-1 (Aug. 10.85-87p2), Nordic Optical Telescope (NOT) (Aug. 11.21p10), Schwarzschild Obs. (Aug. 11.87p4), Bernezzo Obs. (Aug. 11.93-96p3), M. Kumrucu-Lohmiller via Slooh.com Canary Islands Obs. (Aug. 12.18-22p3), program code 2 via Slooh.com Canary Islands Obs. (Aug. 12.19-21p3 & 13.19-21p3), program code "?" (40) via La Palma (Aug. 12.22-23p4), Nonndorf Obs. (Aug. 12.95-97p3), B. Lutkenhoner via Slooh.com Canary Islands Obs. (Aug. 13.16-17p2), G. Gasparovic via Slooh.com Canary Islands Obs. (Aug. 14.07p1 & 14.12-13p2), Chante-Perdrix Obs. (Aug. 14.09-11p3), Sandlot Obs. (Aug. 14.39-40p3), and Pascoli Obs. (Aug. 15.05-06p3).

Observers on 16 August '20

A total of 50 observers appear in today's MPECs.

Code	Observer / observatory
`H21`	Astronomical Research Obs. Westfield in Illinois, 11 in MPECs 2020-Q04, 2020-Q05, 2020-Q06, 2020-Q08, 2020-Q09, 2020-Q25 & 2020-Q26 -- 2020 PS3, 2020 PR4, 2020 PQ3, 2020 PP4, 2020 PP3, 2020 PO3, 2020 NU, 2020 KE2, 2020 JQ3, 2018 AX, 2015 XW261
`T05`	ATLAS Haleakala in Hawaii, 5 in MPECs 2020-Q08 & 2020-Q09 -- 2020 PS3, 66008, 497135, 420302, 137108
`T08`	ATLAS Mauna Loa in Hawaii, 16 in MPECs 2020-Q01, 2020-Q09 & 2020-Q23 -- 2020 PM4, C/2020 P3, 87311, 53435, 477519, 19764, 189630, 159928, 137120, 11405, 106538, 4953, 4197, 3288, 1221, 887
`C77`	Bernezzo Obs. in Italy, 1 in MPEC 2020-Q01 -- C/2020 P3
`160`	Castelmartini Obs. in Italy, 6 in MPEC 2020-Q09 -- 2014 NE64, 2014 LW21, 2009 PQ1, 2006 UD63, 2006 HB, 2005 QS10
`309-`	program code "-" (22) via Cerro Paranal in Chile, 1 in MPEC 2020-Q17 -- 2015 DJ249
`A77`	Chante-Perdrix Obs. in France, 1 in MPEC 2020-Q01 -- C/2020 P3
`850`	Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2020-Q23 -- 2020 PM4
`W84&`	program code "&" (15) via DECam in Chile, 1 in MPEC 2020-Q17 -- 2015 DJ249
`J04`	ESA Optical Ground Station (ESA OGS) in the Canary Islands, 11 in MPECs 2020-Q03, 2020-Q05, 2020-Q06, 2020-Q07, 2020-Q08, 2020-Q09 & 2020-Q22 -- 2020 PW2, 2020 PS3, 2020 PS, 2020 PR3, 2020 PQ3, 2020 PQ2, 2020 PP3, 2020 PN3, 2020 PC4, 2020 OY5, 18736
`734`	Farpoint Obs. in Kansas, 2 in MPECs 2020-Q07 & 2020-Q09 -- 2020 PR3, 2020 NM1
`F65,`	program code "," (21) via Faulkes Telescope North in Hawaii, 3 in MPECs 2020-Q01, 2020-Q02 & 2020-Q28 -- 2020 PT4, 2020 PM3, C/2020 P3
`L34`	Galhassin Robotic Telescope, 1 in MPEC 2020-Q07 -- 2020 PR3
`X31`	Galilei Obs., 1 in MPEC 2020-Q07 -- 2020 PR3
`E94`	Gisborne Obs. in New Zealand, 2 in MPECs 2020-Q16 & 2020-Q18 -- 2020 PY3, 2020 PX3
`U55`	Golden Ears Obs., 1 in MPEC 2020-Q01 -- C/2020 P3
`K78`	Iota Scorpii Obs., 1 in MPEC 2020-Q09 -- 2019 AN5
`H06\|`	Hidetaka Sato in Japan via iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-Q01 -- C/2020 P3
`Q62`	iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-Q09 -- 2020 OU2
`U68`	JPL SynTrack Robotic Telescope, 1 in MPEC 2020-Q09 -- 136900
`C401`	program code 1 via Kuban State Univ. Obs. in Russia, 2 in MPEC 2020-Q09 -- 85275, 420302
`950?`	program code "?" (40) via La Palma in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`L51`	MARGO in Ukraine, 1 in MPEC 2020-Q07 -- 2020 PR3
`568^`	R. Wainscoat on Mauna Kea in Hawaii, 12 in MPECs 2020-Q03, 2020-Q06, 2020-Q13, 2020-Q14, 2020-Q19, 2020-Q20, 2020-Q21, 2020-Q22, 2020-Q24, 2020-Q25, 2020-Q26 & 2020-Q28 -- 2020 PZ3, 2020 PV3, 2020 PU3, 2020 PT4, 2020 PR4, 2020 PQ3, 2020 PP4, 2020 PO4, 2020 PN3, 2020 PC4, 2020 PB4, 2020 PA4
`711`	McDonald Obs. in Texas, 1 in MPEC 2020-Q04 -- 2020 PO3
`474`	Mt. John Obs. in New Zealand, 11 in MPECs 2020-Q09, 2020-Q12, 2020-Q13, 2020-Q14, 2020-Q15, 2020-Q16, 2020-Q18, 2020-Q19, 2020-Q20, 2020-Q21 & 2020-Q27 -- 2020 PZ3, 2020 PY3, 2020 PX3, 2020 PW3, 2020 PV3, 2020 PU3, 2020 PS4, 2020 PG2, 2020 PB4, 2020 PA4, 2017 SN2
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 13 in MPECs 2020-Q05, 2020-Q09 & 2020-Q23 -- 2020 PP3, 2020 PM4, 2019 XE1, 2019 UN12, 505019, 357058, 20460, 159856, 15817, 143624, 140333, 4503, 4055
`C47`	Nonndorf Obs. in Austria, 1 in MPEC 2020-Q01 -- C/2020 P3
`Z23`	Nordic Optical Telescope in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 34 in MPECs 2020-Q02, 2020-Q03, 2020-Q04, 2020-Q06, 2020-Q09, 2020-Q13, 2020-Q14, 2020-Q15, 2020-Q16, 2020-Q18, 2020-Q19, 2020-Q20, 2020-Q21, 2020-Q22, 2020-Q24, 2020-Q25, 2020-Q26, 2020-Q27 & 2020-Q28 -- 2020 PZ3, 2020 PY3, 2020 PX3, 2020 PW3, 2020 PV3, 2020 PU3, 2020 PT4, 2020 PS4, 2020 PR4, 2020 PQ3, 2020 PP4, 2020 PO4, 2020 PO3, 2020 PN3, 2020 PM3, 2020 PC4, 2020 PB4, 2020 PA4, 2012 UR138, 2012 TS231, 2012 RV16, 54789, 508905, 441987, 354952, 230979, 162566, 154631, 153591, 137802, 106538, 7025, 6037, 4341
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 14 in MPECs 2020-Q02, 2020-Q03, 2020-Q06, 2020-Q08, 2020-Q09 & 2020-Q25 -- 2020 PS3, 2020 PQ3, 2020 PP4, 2020 PN3, 2020 PM3, 2013 QL10, 497135, 495891, 189630, 16960, 162900, 138847, 137120, 1865
`K63`	Pascoli Obs. in Italy, 3 in MPECs 2020-Q01, 2020-Q07 & 2020-Q08 -- 2020 PS3, 2020 PR3, C/2020 P3
`B49`	Paus Obs. in Spain, 1 in MPEC 2020-Q09 -- 2020 PL2
`D29`	Purple Mtn. Obs. Xuyi Station in China, 23 in MPEC 2020-Q09 -- 2020 NF, 2018 PP10, 2014 LW21, 2006 UD63, 2006 HB, 2004 RF84, 1999 HV1, 87311, 68950, 66251, 54401, 315020, 221980, 217430, 186822, 17182, 145656, 137120, 12538, 8037, 8035, 3752, 1917
`L04`	ROASTERR-1 in Romania, 1 in MPEC 2020-Q01 -- C/2020 P3
`L07`	Salvatore di Giacomo Obs., 1 in MPEC 2020-Q01 -- C/2020 P3
`H36`	Sandlot Obs. in Kansas, 5 in MPECs 2020-Q01, 2020-Q05, 2020-Q07, 2020-Q08 & 2020-Q23 -- 2020 PS3, 2020 PR3, 2020 PP3, 2020 PM4, C/2020 P3
`C95`	SATINO-1 in France, 3 in MPECs 2020-Q08, 2020-Q09 & 2020-Q23 -- 2020 PS3, 2020 PM4, 2000 PQ27
`204`	Schiaparelli Obs. in Italy, 10 in MPEC 2020-Q09 -- 2020 PG, 2020 NQ1, 2020 MX, 2020 MA4, 2019 YV1, 2019 YO2, 2019 YH1, 2019 XQ3, 2014 NF64, 2013 PV2
`033`	Schwarzschild Obs. in Germany, 7 in MPECs 2020-Q01, 2020-Q03, 2020-Q04, 2020-Q05, 2020-Q06, 2020-Q08 & 2020-Q09 -- 2020 PS3, 2020 PQ3, 2020 PP3, 2020 PO3, 2020 PN3, C/2020 P3, 2020 MZ3
`Q11`	Shinshiro Obs., 1 in MPEC 2020-Q09 -- 162173
`645`	Sloan Digital Sky Survey in New Mexico, 1 in MPEC 2020-Q17 -- 2015 DJ249
`G40!`	M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`G40"`	G. Gasparovic in Croatia via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`G402`	program code 2 via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`G409`	B. Lutkenhoner in Germany via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-Q01 -- C/2020 P3
`W34`	Squirrel Valley Obs. in North Carolina, 1 in MPEC 2020-Q07 -- 2020 PR3
`I93`	St. Pardon de Conques Obs. in France, 1 in MPEC 2020-Q08 -- 2020 PS3
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 2 in MPECs 2020-Q05 & 2020-Q23 -- 2020 PP3, 2020 PM4
`A98`	Taurus-1 Obs. in Belarus, 1 in MPEC 2020-Q09 -- 2019 AN5
`T14`	UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 2 in MPECs 2020-Q10 & 2020-Q11 -- 2013 RH74, 2010 RF181
`L01`	Visnjan Obs. in Croatia, 4 in MPECs 2020-Q01, 2020-Q02, 2020-Q07 & 2020-Q23 -- 2020 PR3, 2020 PM4, 2020 PM3, C/2020 P3
`N88`	Xingming Obs. #3, 1 in MPEC 2020-Q23 -- 2020 PM4

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

Impact Risk Monitoring on 16 August '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 PO4	NEODyS	2310	2053-2118	131	4.12e-05	-5.62	-6.38	0	NEODyS: "Based on 9 optical observations (of which 0 are rejected as outliers) from 2020-08-12.388 to 2020-08-16.472."
2020 PO4	JPL Sentry	2220	2053-2120	62	5.74256945e-05	-5.50	-6.19	0	JPL: Computed at 13:39 today Pacific time based on 9 observations spanning 4.0841 days (2020-Aug-12.387418 to 2020-Aug-16.471484). Diameter approximately 0.014 km. from weighted mean H=26.92.

2020 PU3	NEODyS	2310	2109-2118	7	1.79e-06	-7.00	-7.02	0	NEODyS: "Based on 15 optical observations (of which 0 are rejected as outliers) from 2020-08-13.369 to 2020-08-16.569."
2020 PU3	JPL Sentry	1700	2096-2120	14	3.9824836e-06	-6.64	-6.89	0	JPL: Computed at 09:37 today Pacific time based on 15 observations spanning 3.2004 days (2020-Aug-13.368233 to 2020-Aug-16.56868). Diameter approximately 0.015 km. from weighted mean H=26.83.

2020 PW2	NEODyS	2310	2073-2106	30	6.99e-06	-7.12	-7.64	0	NEODyS: "Based on 33 optical observations (of which 1 are rejected as outliers) from 2020-08-14.278 to 2020-08-15.938."
2020 PW2	JPL Sentry	1603	2073-2100	10	1.09825e-06	-7.90	-8.37	0	JPL: Computed at 06:32 today Pacific time based on 33 observations spanning 1.6602 days (2020-Aug-14.277211 to 2020-Aug-15.937434). Diameter approximately 0.006 km. from weighted mean H=28.66.

2020 PQ2	NEODyS	2310	2066-2099	3	2.41e-07	-6.11	-6.16	0	NEODyS: "Based on 25 optical observations (of which 0 are rejected as outliers) from 2020-08-08.478 to 2020-08-15.935."
2020 PQ2	JPL Sentry	1603	2086-2101	2	5.0919e-09	-7.92	-7.93	0	JPL: Computed at 06:29 today Pacific time based on 25 observations spanning 7.4568 days (2020-Aug-08.477485 to 2020-Aug-15.934272). Diameter approximately 0.044 km. from weighted mean H=24.44.

2020 PS	NEODyS	2310	R E M O V E D						-
2020 PS	JPL Sentry	1603	2118-2118	1	1.139e-08	-7.93	-7.93	0	JPL: Computed at 06:29 today Pacific time based on 38 observations spanning 5.7205 days (2020-Aug-10.15345 to 2020-Aug-15.873932). Diameter approximately 0.049 km. from weighted mean H=24.18.

2020 OY5	NEODyS	2310	2063-2081	4	1.13e-06	-5.13	-5.5	0	NEODyS: "Based on 91 optical observations (of which 1 are rejected as outliers) from 2020-07-28.488 to 2020-08-15.928."
2020 OY5	JPL Sentry	1603	2063-2081	3	2.2948e-06	-4.84	-4.99	0	JPL: Computed at 06:32 today Pacific time based on 91 observations spanning 18.441 days (2020-Jul-28.486878 to 2020-Aug-15.927554). Diameter approximately 0.062 km. from weighted mean H=23.70.

2019 YV1	NEODyS	2310	2101-2114	3	3.06e-07	-7.05	-7.24	0	NEODyS: "Based on 98 optical observations (of which 0 are rejected as outliers) from 2019-12-21.112 to 2020-02-25.253."
2019 YV1	JPL Sentry	1603	2101-2119	5	5.32e-06	-5.79	-6.21	0	JPL: Computed at 06:39 today Pacific time based on 98 observations spanning 66.141 days (2019-Dec-21.11125 to 2020-Feb-25.252591). Diameter approximately 0.031 km. from weighted mean H=25.20.

2006 QN111	JPL Sentry	1603	2079-2079	1	1.894e-06	-5.24	-5.24	0	JPL: Computed at 18:06 April 9th of 2017 Pacific time based on 14 observations spanning 7.0784 days (2006-Aug-27.6651 to 2006-Sep-03.74346). Diameter approximately 0.060 km. from weighted mean H=23.77.

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 16 August '20

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

2358	Grabbed MPEC 2020-Q26 - 2020 PR4 - see above Grabbed MPEC 2020-Q27 - 2020 PS4 - see above Grabbed MPEC 2020-Q28 - 2020 PT4 - see above
2310	Noted that NEODyS has updated its 2019 YV1 risk assessment - see above Noted that NEODyS has updated its 2020 OY5 risk assessment - see above Noted that NEODyS has posted 2020 PO4 as an impact risk - see above Noted that NEODyS has updated its 2020 PQ2 risk assessment - see above Noted that NEODyS has removed 2020 PS as an impact risk - see above Noted that NEODyS has posted 2020 PU3 as an impact risk - see above Noted that NEODyS has updated its 2020 PW2 risk assessment - see above
2220	Noted that JPL Sentry has posted 2020 PO4 as an impact risk - see above Grabbed MPEC 2020-Q25 - 2020 PP4 - see above
2000	Grabbed MPEC 2020-Q24 - 2020 PO4 - see above
1900	Grabbed MPEC 2020-Q23 - 2020 PM4 - see above
1700	Noted that JPL Sentry has posted 2020 PU3 as an impact risk - see above Grabbed MPEC 2020-Q17 - 2015 DJ249 - see above Grabbed MPEC 2020-Q18 - 2020 PY3 - see above Grabbed MPEC 2020-Q19 - 2020 PZ3 - see above Grabbed MPEC 2020-Q20 - 2020 PA4 - see above Grabbed MPEC 2020-Q21 - 2020 PB4 - see above Grabbed MPEC 2020-Q22 - 2020 PC4 - see above
1603	Noted that JPL Sentry has updated its 2006 QN111 risk assessment - see above Noted that JPL Sentry has updated its 2019 YV1 risk assessment - see above Noted that JPL Sentry has updated its 2020 OY5 risk assessment - see above Noted that JPL Sentry has updated its 2020 PQ2 risk assessment - see above Noted that JPL Sentry has updated its 2020 PS risk assessment - see above Noted that JPL Sentry has updated its 2020 PW2 risk assessment - see above Grabbed MPEC 2020-Q02 - 2020 PM3 - see above Grabbed MPEC 2020-Q03 - 2020 PN3 - see above Grabbed MPEC 2020-Q04 - 2020 PO3 - see above Grabbed MPEC 2020-Q05 - 2020 PP3 - see above Grabbed MPEC 2020-Q06 - 2020 PQ3 - see above Grabbed MPEC 2020-Q07 - 2020 PR3 - see above Grabbed MPEC 2020-Q08 - 2020 PS3 - see above Grabbed MPEC 2020-Q09 - Daily Orbit Update - see above Grabbed MPEC 2020-Q10 - 2010 RF181 - see above Grabbed MPEC 2020-Q11 - 2013 RH74 - see above Grabbed MPEC 2020-Q12 - 2017 SN2 - see above Grabbed MPEC 2020-Q13 - 2020 PU3 - see above Grabbed MPEC 2020-Q14 - 2020 PV3 - see above Grabbed MPEC 2020-Q15 - 2020 PW3 - see above Grabbed MPEC 2020-Q16 - 2020 PX3 - see above
0515	Grabbed MPEC 2020-Q01 - Comet C/2020 P3 (ATLAS) - see above

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