2020-08-10 Tracking News

Contents on 10 August '20

IAU Minor Planet Center
- NEOCP Activity -- 43 listings
- New MPECs -- three MPECs
Observers -- 30 observers
Impact Risk Monitoring -- three objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1133 risk-listed objects, 62 have had news in the last 31 days. Updated at 1601 UTC on 10 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 10 August '20

The MPC's NEO Confirmation Page has 43 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 43 objects listed. Of these, 21 were "one nighters." So far The Tracking News has counted a total of 52 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 10 August '20

Minor Planet Electronic Circulars

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

MPEC 2020-P37 time-stamped "07:43 UT" - 2020 PO - see below
MPEC 2020-P38 time-stamped "10:16 UT" - 2020 PP - see below
MPEC 2020-P39 time-stamped "12:01 UT" - Daily Orbit Update

<< DOU on 10 August '20 >> MPEC 2020-P39 - "12:01 UT" - Daily Orbit Update

Observations of risk-listed objects
K20O06M 2020 OM6 (small asteroid, arc=22 days, H=24.9 ~35m, NHATS target) from Steward Obs. Mt. Lemmon Station (Aug. 10.42-43p3 at G=20.8-22.7)
K20O05Y 2020 OY5 (small asteroid, arc=13 days, H=23.7 ~62m, close passer) from Steward Mt. Lemmon Sta. (Aug. 10.28p3)
K20O05K 2020 OK5 (small asteroid, arc=28 days, H=25.5 ~27m, close passer, NHATS target) from Steward Mt. Lemmon Sta. (Aug. 10.19-20p3)
Observations of close-passing objects
K20O00Z 2020 OZ (arc=16 days, H=25.6 ~26m) from Astronomical Research Obs. Westfield (July 29.20-22p3 at V=22.1-5)
Observation campaigns (NHATS targets, radar support)
K20N01J 2020 NJ1 (arc=27 days, H=22.7 ~98m, NHATS) from Steward Mt. Lemmon Sta. (Aug. 10.40p3)
K20N00C 2020 NC (arc=35 days, H=22.3 ~117m, NHATS) from Mt. John Obs. (Aug. 10.33-34p4)
K20M00M 2020 MM (arc=42 days, H=25.1 ~32m, NHATS) from ARO Westfield (July 29.17-18p2 at V=22.0-22.2)
K19N01C 2019 NC1 (arc=4 opp, H=21.4 ~178m, NHATS) from BAS Obs. (Aug. 6.84p3 & 9.87p3) and Foxfire Village Obs. (Aug. 9.08-10p3)
-- NHATS target table
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20P00G 2020 PG (arc=3 days, H=23.6 ~65m) from Steward Mt. Lemmon Sta. (Aug. 10.20p3)
K20P00F 2020 PF (arc=13 days, H=23.2 ~78m) from Dave Balam via Plaskett 1.8m Telescope (Aug. 9.29-30p5) and Steward Mt. Lemmon Sta. (Aug. 10.41-42p3)
K20O05J 2020 OJ5 (arc=21 days, H=22.6 ~102m) from Steward Mt. Lemmon Sta. (Aug. 10.30p4)
K20O04Z 2020 OZ4 (arc=19 days, H=24.3 ~47m) from Steward Mt. Lemmon Sta. (Aug. 10.30-31p3)
K20O04U 2020 OU4 (arc=16 days, H=23.3 ~74m) from Steward Mt. Lemmon Sta. (Aug. 10.41p3)
K20O04E 2020 OE4 (arc=17 days, H=22.4 ~112m) from Steward Mt. Lemmon Sta. (Aug. 10.19-20p4)
K20O03Y 2020 OY3 (arc=20 days, H=24.0 ~54m) from Steward Mt. Lemmon Sta. (Aug. 10.34-36p4)
K20O03J 2020 OJ3 (arc=22 days, H=23.3 ~74m) from Steward Mt. Lemmon Sta. (Aug. 10.40p3 at G=20.8-22.1)
K20O01A 2020 OA1 (arc=71 days, H=23.0 ~85m) from Steward Mt. Lemmon Sta. (Aug. 10.44-45p3)
K20O00T 2020 OT (arc=23 days, H=22.8 ~93m) from QOS Obs. (Aug. 8.92p4) and Steward Mt. Lemmon Sta. (Aug. 10.41p4)
K20O00H 2020 OH (arc=31 days, H=23.6 ~65m) from Steward Mt. Lemmon Sta. (Aug. 10.32-33p3 at G=21.2-22.2)
K20N01C 2020 NC1 (arc=28 days, H=22.8 ~93m) from Steward Mt. Lemmon Sta. (Aug. 10.41-42p3)
K20F07A 2020 FA7 (arc=135 days, H=22.3 ~117m) from ARO Westfield (July 29.20-22p3 at V=22.0-22.2)
K16W07Z 2016 WZ7 (arc=3 opp, H=22.9 ~89m) from ARO Westfield (July 29.25-27p3 at V=22.1-3)
K20L02E 2020 LE2 (arc=56 days, H=21.9 ~141m) from Steward Mt. Lemmon Sta. (Aug. 10.36-37p3)
Observations of other objects
K20P00H 2020 PH (q=0.379 AU, arc=50 days, H=20.0 ~339m) from Balam/Plaskett (Aug. 9.21p6)
K20P00E 2020 PE (Q=4.286 AU, arc=16 days, H=20.0 ~339m) from Steward Mt. Lemmon Sta. (Aug. 10.39p3)
K20O06X 2020 OX6 (arc=11 days, H=21.2 ~195m) from Steward Mt. Lemmon Sta. (Aug. 10.45p3)
K20O03W 2020 OW3 (Q=4.808 AU, arc=22 days, H=19.7 ~389m) from Visnjan Obs. (Aug. 9.99p3) and Steward Mt. Lemmon Sta. (Aug. 10.28-29p3)
K20O02U 2020 OU2 from Pan-STARRS 1 (PS1) (Aug. 9.33-35p4)
K20O02J 2020 OJ2 (i=37.8°, Q=4.129 AU, arc=20 days, H=19.9 ~355m) from Pan-STARRS 2 (PS2) (Aug. 9.40-44p7), PS1 (Aug. 9.56-59p3), and Steward Mt. Lemmon Sta. (Aug. 10.45p3)
K20O01N 2020 ON1 (arc=22 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (Aug. 10.33-34p3)
K20O01M 2020 OM1 (arc=22 days, H=20.9 ~224m) from Steward Mt. Lemmon Sta. (Aug. 10.41p3)
K20N01Q 2020 NQ1 (Q=4.093 AU, arc=30 days, H=20.4 ~282m) from Steward Mt. Lemmon Sta. (Aug. 10.33-34p3)
K20M04C 2020 MC4 from PS2 (Aug. 9.48-51p3) and ATLAS Haleakala (Aug. 9.50-55p4)
K20M02F 2020 MF2 from the Mt. Lemmon Survey (MLS) (Aug. 9.35-37p4)
K20M02D 2020 MD2 (arc=51 days, H=21.6 ~162m) from Steward Mt. Lemmon Sta. (Aug. 10.36-37p3)
K20K07R 2020 KR7 from MLS (Aug. 9.35-37p4)
K20H10O 2020 HO10 (arc=110 days, H=21.5 ~170m) from Mt. John Obs. (Aug. 10.38-39p3)
K20D04M 2020 DM4 (arc=166 days, H=21.7 ~155m) from Steward Mt. Lemmon Sta. (Aug. 10.21-23p3)
K20A00K 2020 AK (arc=225 days, H=19.3 ~467m) from Steward Mt. Lemmon Sta. (Aug. 10.37-38p3)
K19Y07G 2019 YG7 (Q=4.977 AU, arc=235 days, H=18.6 ~645m) from Mt. John Obs. (Aug. 10.31-32p3)
K19A05N 2019 AN5 (arc=5 opp, H=21.1 ~204m) from Nomad Obs. (Aug. 8.82-83p3), QOS Obs. (Aug. 8.95-96p29), PS2 (Aug. 9.41-43p2), Saarbruecken Rastpfuhl Obs. (Aug. 9.89-90p2), and Tartu Obs. (Aug. 9.95-97p3)
K18S02Y 2018 SY2 (arc=2 opp, H=20.8 ~234m) from Steward Mt. Lemmon Sta. (Aug. 9.20-21p3 & 10.14-15p3)
K17X62L 2017 XL62 from PS1 (Aug. 9.55-59p4)
K16P01L 2016 PL1 from ATLAS Haleakala (Aug. 9.44-47p4)
K16P00N 2016 PN (arc=4 opp, H=20.3 ~295m) from MASTER OAFA Obs. (Aug. 9.17-18p2)
K16N38V 2016 NV38 from MLS (Aug. 9.35-36p4) and PS2 (Aug. 9.59-60p3)
K15XD0D 2015 XD130 (arc=4 opp, H=19.5 ~426m) from UH/Tholen NEO Follow-Up 2.24m Telescope (2016 May 17.61p4)
K14Wa5P 2014 WP365 (arc=3 opp, H=20.3 ~295m) from ARO Westfield (July 29.16-18p3 at V=21.8-22.3)
K14L21W 2014 LW21 (Q=5.412 AU, arc=3 opp, H=18.6 ~645m) from ATLAS Haleakala (Aug. 9.45-47p4), BAS Obs. (Aug. 9.90p3), and Pin Oak Obs. (Aug. 10.22-29p3)
K14L14U 2014 LU14 (arc=4 opp, H=19.7 ~389m) from ARO Westfield (July 17.25-26p3 at V=21.9-22.3)
K13TE4V 2013 TV144 from PS1 (Aug. 9.51-53p3)
K12K25E 2012 KE25 from ATLAS Mauna Loa (Aug. 9.54-56p4)
K09P00Y 2009 PY (arc=3 opp, H=21.2 ~195m) from Mt. John Obs. (Aug. 10.36-37p3)
K07C15H 2007 CH15 (arc=3 opp, H=21.7 ~155m) from QOS Obs. (Aug. 8.95p3), ATLAS Haleakala (Aug. 9.46-48p4), and BAS Obs. (Aug. 9.92p3)
K06U63D 2006 UD63 (arc=4 opp, H=19.0 ~537m) from QOS Obs. (Aug. 8.93p9) and ATLAS Haleakala (Aug. 9.44-46p4)
K06H00B 2006 HB (arc=4 opp, H=19.0 ~537m) from QOS Obs. (Aug. 8.94-95p9), ATLAS Haleakala (Aug. 9.46-48p4), BAS Obs. (Aug. 9.91p3), and HOB Obs. (Aug. 10.00-01p3)
K05Q10S 2005 QS10 from ATLAS Haleakala (Aug. 9.48-50p4)
K04Q17D 2004 QD17 (arc=5 opp, H=19.8 ~371m) from SATINO-1 (Aug. 9.04-09p3)
K03B47K 2003 BK47 (Q=4.689 AU, arc=4 opp, H=17.8 ~933m) from ATLAS Haleakala (Aug. 9.29-32p4) and Castelmartini Obs. (Aug. 9.85-86p3)
q3799 523799 2017 DO36 from MLS (Aug. 9.18-20p4)
o8905 508905 2003 WX87 from PS1 (Aug. 9.30-31p3)
o5657 505657 2014 SR339 from ATLAS Haleakala (Aug. 9.50-54p4)
o0094 500094 2012 BC20 from Nomad Obs. (Aug. 8.85-88p9), QOS Obs. (Aug. 8.91-92p20), MLS (Aug. 9.30-32p4), and HOB Obs. (Aug. 9.96p3)
n7135 497135 2004 QD20 from MLS (Aug. 9.32-34p4)
m0936 480936 2003 QH5 from ATLAS Mauna Loa (Aug. 9.44-46p3)
l7519 477519 2010 DJ56 from ATLAS Haleakala (Aug. 9.44-46p4)
l0678 470678 2008 SS251 from PS2 (Aug. 9.46-49p3)
i2037 442037 2010 PR66 from BAS Obs. (Aug. 6.86p3), QOS Obs. (Aug. 8.84-85p6), ATLAS Haleakala (Aug. 9.32-35p4), and Castelmartini Obs. (Aug. 9.87-88p3)
g8086 428086 2006 NM from ATLAS Mauna Loa (Aug. 9.55-58p6) and Saarbruecken Rastpfuhl Obs. (Aug. 9.92-93p3)
g0302 420302 2011 XZ1 from program code 1 via Kuban State Univ. Obs. (Aug. 9.85-93p46), Saarbruecken Rastpfuhl Obs. (Aug. 9.88p2), and Golden Ears Obs. (Aug. 10.25-26p3)
c2625 382625 2002 PC130 from ATLAS Haleakala (Aug. 9.51-55p4)
c2503 382503 2001 RE8 from Pin Oak Obs. (Aug. 10.13p1 & 10.20p1)
a1123 361123 2006 GW2 from ATLAS Haleakala (Aug. 9.47-50p4)
Y7634 347634 2001 SW269 from MLS (Aug. 9.43-44p3)
X8292 338292 2002 UA31 from MLS (Aug. 9.46-48p3)
W6388 326388 2001 QD96 from MLS (Aug. 9.44-46p4)
U8043 308043 2004 TH10 from QOS Obs. (Aug. 8.96p1)
S5567 285567 2000 OM from PS1 (Aug. 9.49-52p4)
H5189 175189 2005 EC224 from ATLAS Haleakala (Aug. 9.29-31p4)
G2900 162900 2001 HG31 from PS1 (Aug. 9.49-53p8)
G2566 162566 2000 RJ34 from PS1 (Aug. 9.30-31p3)
F9856 159856 2004 JW6 from ATLAS Haleakala (Aug. 9.51-53p4)
E4411 144411 2004 EW9 from MLS (Aug. 9.44-46p4)
D8847 138847 2000 VE62 from PS2 (Aug. 9.26-30p4)
D7199 137199 1999 KX4 from ATLAS Haleakala (Aug. 9.33-35p4)
D7108 137108 1999 AN10 from ATLAS Mauna Loa (Aug. 9.45-47p4), PS2 (Aug. 9.60-61p2), and Golden Ears Obs. (Aug. 10.24p2)
D6900 136900 1998 HL49 from PS1 (Aug. 9.56-59p4) and Pin Oak Obs. (Aug. 10.23-30p3)
A6589 106589 2000 WN107 from ATLAS Haleakala (Aug. 9.30-32p4) and Castelmartini Obs. (Aug. 9.86-87p3)
A6538 106538 2000 WK63 from ATLAS Haleakala (Aug. 9.54-58p6)
A5140 105140 2000 NL10 from ATLAS Mauna Loa (Aug. 9.37-38p4)
90147 90147 2002 YK14 from QOS Obs. (Aug. 8.90-91p7) and Pin Oak Obs. (Aug. 10.14-18p2)
88188 88188 2000 XH44 from MLS (Aug. 9.46-48p4)
87311 87311 2000 QJ1 from ATLAS Haleakala (Aug. 9.48-49p3)
85804 85804 1998 WQ5 from MLS (Aug. 9.35-36p4) and PS2 (Aug. 9.59-61p3)
85275 85275 1994 LY from BAS Obs. (Aug. 6.88p3), QOS Obs. (Aug. 8.85p9), Cherokee Ridge Obs. (Aug. 9.11-14p2), ATLAS Haleakala (Aug. 9.36-39p4), Kuban State Univ. Obs./code 1 (Aug. 9.76-82p76), and HOB Obs. (Aug. 9.85-86p3)
85184 85184 1991 JG1 from MLS (Aug. 9.18-20p3)
68950 68950 2002 QF15 from Castelmartini Obs. (Aug. 9.84-85p3)
54789 54789 2001 MZ7 from ATLAS Haleakala (Aug. 9.43-44p3) and Pin Oak Obs. (Aug. 10.21-28p3)
53435 53435 1999 VM40 from ATLAS Haleakala (Aug. 9.51-53p4)
16960 16960 1998 QS52 from PS1 (Aug. 9.56-59p4)
16834 16834 1997 WU22 from MLS (Aug. 9.44-46p4)
11405 11405 1999 CV3 from Squirrel Valley Obs. (Aug. 10.06-07p4)
07977 7977 1977 QQ5 from HOB Obs. (Aug. 6.85-86p3) and Pin Oak Obs. (Aug. 10.12-16p2)
05645 5645 1990 SP from ATLAS Haleakala (Aug. 9.61-62p3)
03753 3753 Cruithne (1986 TO) from ATLAS Haleakala (Aug. 9.56-59p4)
03752 3752 Camillo (1985 PA) from MLS (Aug. 9.27-29p4)
03288 3288 Seleucus (1982 DV) from ATLAS Haleakala (Aug. 9.55-59p4)
01863 1863 Antinous (1948 EA) from MLS (Aug. 9.44-46p4)

MPEC 2020-P38 - "10:16 UT" - 2020 PP

K20P00P 2020 PP (H=20.7 ~245m) was picked up at 1317 UT on 8 Aug. by PS1, observing it at Aug. 8.55-58p3. This detection was confirmed by PS2 (Aug. 7.54-57p3 & 8.56-58p4) and Steward Mt. Lemmon Sta. (Aug. 9.38p3 & 10.38-39p2).

MPEC 2020-P37 - "07:43 UT" - 2020 PO

K20P00O 2020 PO (Earth MOID=4.0 LD, H=26.1 ~20m) was picked up at 0743 UT on 9 Aug. by MLS, observing it at Aug. 9.32-34p3. This detection was confirmed by Steward Mt. Lemmon Sta. (Aug. 9.36p4, 9.41p4 & 10.28p4), San Marcello Pistoiese Obs. (Aug. 9.83-85p3), Visnjan Obs. (Aug. 9.87-88p5), GiaGa Obs. (Aug. 9.90p1 & 9.95p1), Schiaparelli Obs. (Aug. 10.04-05p3), Squirrel Valley Obs. (Aug. 10.13-15p3), and Sandlot Obs. (Aug. 10.21-23p4).

Observers on 10 August '20

A total of 30 observers appear in today's MPECs.

Code	Observer / observatory
`H21`	Astronomical Research Obs. Westfield in Illinois, 6 in MPEC 2020-P39 -- 2020 OZ, 2020 MM, 2020 FA7, 2016 WZ7, 2014 WP365, 2014 LU14
`T05`	ATLAS Haleakala in Hawaii, 25 in MPEC 2020-P39 -- 2020 MC4, 2016 PL1, 2014 LW21, 2007 CH15, 2006 UD63, 2006 HB, 2005 QS10, 2003 BK47, 87311, 85275, 54789, 53435, 505657, 477519, 442037, 382625, 361123, 175189, 159856, 137199, 106589, 106538, 5645, 3753, 3288
`T08`	ATLAS Mauna Loa in Hawaii, 5 in MPEC 2020-P39 -- 2012 KE25, 480936, 428086, 137108, 105140
`G17`	BAS Obs., 6 in MPEC 2020-P39 -- 2019 NC1, 2014 LW21, 2007 CH15, 2006 HB, 85275, 442037
`160`	Castelmartini Obs. in Italy, 4 in MPEC 2020-P39 -- 2003 BK47, 68950, 442037, 106589
`V94`	Cherokee Ridge Obs., 1 in MPEC 2020-P39 -- 85275
`W46`	Foxfire Village Obs., 1 in MPEC 2020-P39 -- 2019 NC1
`203`	GiaGa Obs. in Italy, 1 in MPEC 2020-P37 -- 2020 PO
`U55`	Golden Ears Obs., 2 in MPEC 2020-P39 -- 420302, 137108
`L63`	HOB Obs., 4 in MPEC 2020-P39 -- 2006 HB, 85275, 500094, 7977
`C401`	program code 1 via Kuban State Univ. Obs. in Russia, 2 in MPEC 2020-P39 -- 85275, 420302
`W92`	MASTER OAFA Obs., 1 in MPEC 2020-P39 -- 2016 PN
`474`	Mt. John Obs. in New Zealand, 4 in MPEC 2020-P39 -- 2020 NC, 2020 HO10, 2019 YG7, 2009 PY
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 17 in MPECs 2020-P37 & 2020-P39 -- 2020 PO, 2020 MF2, 2020 KR7, 2016 NV38, 88188, 85804, 85184, 523799, 500094, 497135, 347634, 338292, 326388, 16834, 144411, 3752, 1863
`L76`	Nomad Obs., 2 in MPEC 2020-P39 -- 2019 AN5, 500094
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 11 in MPECs 2020-P38 & 2020-P39 -- 2020 PP, 2020 OU2, 2020 OJ2, 2017 XL62, 2013 TV144, 508905, 285567, 16960, 162900, 162566, 136900
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 9 in MPECs 2020-P38 & 2020-P39 -- 2020 PP, 2020 OJ2, 2020 MC4, 2019 AN5, 2016 NV38, 85804, 470678, 138847, 137108
`V93`	Pin Oak Obs., 6 in MPEC 2020-P39 -- 2014 LW21, 90147, 54789, 382503, 136900, 7977
`6581`	Dave Balam via Plaskett 1.8m Telescope in British Columbia, 2 in MPEC 2020-P39 -- 2020 PH, 2020 PF
`L18`	QOS Obs., 10 in MPEC 2020-P39 -- 2020 OT, 2019 AN5, 2007 CH15, 2006 UD63, 2006 HB, 90147, 85275, 500094, 442037, 308043
`L40`	Saarbruecken Rastpfuhl Obs., 3 in MPEC 2020-P39 -- 2019 AN5, 428086, 420302
`104`	San Marcello Pistoiese Obs. in Italy, 1 in MPEC 2020-P37 -- 2020 PO
`H36`	Sandlot Obs. in Kansas, 1 in MPEC 2020-P37 -- 2020 PO
`C95`	SATINO-1 in France, 1 in MPEC 2020-P39 -- 2004 QD17
`204`	Schiaparelli Obs. in Italy, 1 in MPEC 2020-P37 -- 2020 PO
`W34`	Squirrel Valley Obs. in North Carolina, 2 in MPECs 2020-P37 & 2020-P39 -- 2020 PO, 11405
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 30 in MPECs 2020-P37, 2020-P38 & 2020-P39 -- 2020 PP, 2020 PO, 2020 PG, 2020 PF, 2020 PE, 2020 OZ4, 2020 OY5, 2020 OY3, 2020 OX6, 2020 OW3, 2020 OU4, 2020 OT, 2020 ON1, 2020 OM6, 2020 OM1, 2020 OK5, 2020 OJ5, 2020 OJ3, 2020 OJ2, 2020 OH, 2020 OE4, 2020 OA1, 2020 NQ1, 2020 NJ1, 2020 NC1, 2020 MD2, 2020 LE2, 2020 DM4, 2020 AK, 2018 SY2
`L75`	Tartu Obs. in Estonia, 1 in MPEC 2020-P39 -- 2019 AN5
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-P39 -- 2015 XD130
`L01`	Visnjan Obs. in Croatia, 2 in MPECs 2020-P37 & 2020-P39 -- 2020 PO, 2020 OW3

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

Impact Risk Monitoring on 10 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 OM6	JPL Sentry	1600	2092-2120	5	2.3088e-06	-6.01	-6.46	0	JPL: Computed at 06:40 today Pacific time based on 29 observations spanning 21.912 days (2020-Jul-19.51922 to 2020-Aug-10.43088). Diameter approximately 0.036 km. from weighted mean H=24.85.

2020 OY5	JPL Sentry	1600	2063-2081	3	2.6737e-06	-4.78	-4.89	0	JPL: Computed at 06:34 today Pacific time based on 85 observations spanning 12.798 days (2020-Jul-28.486878 to 2020-Aug-10.28452). Diameter approximately 0.062 km. from weighted mean H=23.70.

2020 OK5	JPL Sentry	1600	R E M O V E D						JPL: Risk listing removed at 1336 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 10 August '20

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

1600

Noted that JPL Sentry has removed 2020 OK5 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 OM6 risk assessment - see above
Noted that JPL Sentry has updated its 2020 OY5 risk assessment - see above
Grabbed MPEC 2020-P37 - 2020 PO - see above
Grabbed MPEC 2020-P38 - 2020 PP - see above
Grabbed MPEC 2020-P39 - Daily Orbit Update - see above

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