2020-10-13 Tracking News

Contents on 13 October '20

Radar Astrometry -- one object
IAU Minor Planet Center
- NEOCP Activity -- 65 listings
- New MPECs -- twelve MPECs
Observers -- 33 observers
Impact Risk Monitoring -- fourteen objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1187 risk-listed objects, 174 have had news in the last 31 days. Updated at 1930 UTC on 13 Oct.
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.

Radar Astrometry on 13 October '20

Radar observation of one object

The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:

Data update noted at 0459 UTC when the database was dated 12 Oct.

1981 1973 EA from Arecibo (2018 March 21.96 range, 22.97 range, 23.92 range, 23.98 range, 24.89 range & 25.90 range)

Photometry and some astrometry is needed for upcoming radar targets. See Arecibo and Goldstone schedules.

NEOCP Activity on 13 October '20

The MPC's NEO Confirmation Page has 65 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 65 objects listed. Of these, 23 were "one nighters." So far The Tracking News has counted a total of 77 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 13 October '20

Minor Planet Electronic Circulars

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

MPEC 2020-T108 time-stamped "01:49 UT" - 2020 TN3 - see below
MPEC 2020-T109 time-stamped "09:56 UT" - 2020 TP3 - see below
MPEC 2020-T110 time-stamped "09:58 UT" - 2020 TQ3 - see below
MPEC 2020-T111 time-stamped "10:01 UT" - 2020 TR3 - see below
MPEC 2020-T112 time-stamped "10:03 UT" - 2020 TS3 - see below
MPEC 2020-T113 time-stamped "10:39 UT" - 2019 QW39 - see below
MPEC 2020-T114 time-stamped "10:40 UT" - 2019 QU39 - see below
MPEC 2020-T115 time-stamped "10:47 UT" - 2005 UV64 - see below
MPEC 2020-T116 time-stamped "12:31 UT" - Daily Orbit Update - see below
MPEC 2020-T117 time-stamped "15:03 UT" - 2020 FG15 - see below
MPEC 2020-T118 time-stamped "23:25 UT" - 2017 GO6 - see below
MPEC 2020-T119 time-stamped "23:40 UT" - 2020 PX3

MPEC 2020-T119 - "23:40 UT" - 2020 PX3

K20P03X 2020 PX3 (H=20.3 ~295m) from the Catalina Sky Survey (CSS) (2007 Sept. 12.29-37p8, 2007 Sept. 12.42p4, 2007 Sept. 19.25-31p7 & 2007 Oct. 16.16-18p4) and the Mt. Lemmon Survey (MLS) (2007 Oct. 7.21-29p7)

MPEC 2020-T118 - "23:25 UT" - 2017 GO6

K17G06O 2017 GO6 (Q=4.121 AU, H=19.2 ~490m) from MLS (Sept. 23.43-45p4 & Oct. 8.37-39p4), Pan-STARRS 2 (PS2) (Sept. 25.53-55p2 & Oct. 13.37-40p3), and Pan-STARRS 1 (PS1) (Sept. 28.51-55p4)

MPEC 2020-T117 - "15:03 UT" - 2020 FG15

K20F15G 2020 FG15 (small asteroid, H=23.4 ~71m) was picked up at 1130 UT on 16 March by MLS, observing it at March 16.48-50p4, April 2.25-26p4, 15.17-19p4, and 26.24-26p4. This detection was confirmed by PS1 (April 22.28-31p3) and PS2 (April 27.31-34p3).

<< DOU on 13 October '20 >> MPEC 2020-T116 - "12:31 UT" - Daily Orbit Update

Observations of risk-listed objects
K20T02X 2020 TX2 (Q=4.173 AU, arc=33 days, H=20.8 ~234m) from PS1 (Sept. 9.46-49p4 at G=22.01-90 & Oct. 11.38-41p3 at G=20.51-21.42), PS2 (Sept. 13.46-50p4 at G=21.52-22.19), and program code 1 via Calar Alto Schmidt (Oct. 12.82-84p3)
K20T02O 2020 TO2 (small asteroid, arc=2 days, H=26.5 ~17m, close passer) from ATLAS Mauna Loa (Oct. 12.47-49p4)
K20T01Y 2020 TY1 (small asteroid, arc=4 days, H=22.6 ~102m) from Calar Alto Schmidt/code 1 (Oct. 12.89-90p2)
K20T00W 2020 TW (small asteroid, arc=6 days, H=27.4 ~11m, close passer, NHATS target) from Steward Obs. Mt. Lemmon Station (Oct. 13.47p4)
K20S06X 2020 SX6 (small asteroid, arc=16 days, H=27.1 ~13m, close passer, NHATS target) from Astronomical Research Obs. Westfield (Oct. 12.29-30p3 at V=22.0-22.5)
K20S04U 2020 SU4 (small asteroid, arc=19 days, H=23.8 ~59m) from the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (Oct. 12.50-51p4 at G=21.35-22.10)
K20S00O 2020 SO (NHATS target) from Calar Alto Schmidt/code 1 (Oct. 12.86p1), Petit Jean Mtn. South Obs. (PJMSO) (Oct. 13.33-36p5), and Steward Mt. Lemmon Sta. (Oct. 13.47-49p4)
Observations of close-passing objects
K20T02W 2020 TW2 (arc=1 day, H=26.7 ~15m, NHATS target) from Mountainville Obs. (Oct. 12.38p1 & 12.47p1)
K20T02J 2020 TJ2 (arc=6 days, H=25.4 ~28m) from PJMSO (Oct. 13.28-29p6)
K20T02E 2020 TE2 (arc=5 days, H=26.4 ~18m, NHATS target) from Steward Mt. Lemmon Sta. (Oct. 13.09p3)
K20T02D 2020 TD2 (Q=4.135 AU, arc=4 days, H=25.5 ~27m) from PJMSO (Oct. 13.31-32p5)
K20S05S 2020 SS5 (arc=16 days, H=24.8 ~37m) from PS1 (Oct. 12.50-54p4)
K01SS6G 2001 SG286 (arc=6 opp, H=21.0 ~214m) from the Zwicky Transient Facility (ZTF) (Oct. 12.20-25p4) and PJMSO (Oct. 13.26-27p6)
Observation campaigns (NHATS targets, radar support)
K20T03M 2020 TM3 (arc=3 days, H=25.2 ~31m, NHATS) from Visnjan Obs. (Oct. 12.91p3)
K20T02K 2020 TK2 (arc=5 days, H=25.4 ~28m, NHATS) from Steward Mt. Lemmon Sta. (Oct. 13.10p4)
K20S05C 2020 SC5 (arc=18 days, H=25.7 ~25m, NHATS) from ARO Westfield (Oct. 12.25p3 at V=22.1-6)
K18E00B 2018 EB (arc=2 opp, H=21.9 ~141m, radar) from the Spacewatch 1.8m telescope (2019 Sept. 30.13p2)
K12U09S 2012 US9 (arc=3 opp, H=21.7 ~155m, NHATS) from Chabot Obs. (Oct. 13.20-21p3)
K08T09Y 2008 TY9 (arc=2 opp, H=25.0 ~34m, NHATS) from MLS (Oct. 12.28-29p4)
K07U01Y 2007 UY1 (arc=3 opp, H=22.9 ~89m, NHATS) from MLS (Oct. 12.36-38p4)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20T03N 2020 TN3 (arc=3 days, H=24.3 ~47m) from Farpoint Obs. (Oct. 13.16-17p6)
K20T02Y 2020 TY2 (arc=2 days, H=25.1 ~32m) from Mountainville Obs. (Oct. 12.36p1, 12.41p1 & 12.45p1)
K20T02L 2020 TL2 (arc=4 days, H=24.5 ~43m) from Steward Mt. Lemmon Sta. (Oct. 13.09p4)
K20T01J 2020 TJ1 (arc=6 days, H=24.5 ~43m) from Steward Mt. Lemmon Sta. (Oct. 13.12-13p4)
K20T00D 2020 TD (arc=30 days, H=24.4 ~45m) from Steward Mt. Lemmon Sta. (Oct. 13.11p3)
K20T00C 2020 TC (arc=8 days, H=24.3 ~47m) from Steward Mt. Lemmon Sta. (Oct. 13.14-15p4)
K20S06V 2020 SV6 (arc=18 days, H=23.4 ~71m) from Steward Mt. Lemmon Sta. (Oct. 12.49-50p4)
K20S05Y 2020 SY5 (arc=17 days, H=24.0 ~54m) from Steward Mt. Lemmon Sta. (Oct. 12.50-51p3)
K20S03V 2020 SV3 (arc=22 days, H=22.3 ~117m) from PS1 (Oct. 12.50-53p3)
K20S01P 2020 SP1 (arc=24 days, H=23.1 ~81m) from ARO Westfield (Oct. 12.07-09p3 at V=22.1-5)
K20R06M 2020 RM6 (Q=4.241 AU, arc=32 days, H=24.9 ~35m) from CSS (Oct. 12.30-32p4) and ATLAS Haleakala (Oct. 12.51-53p4)
K20R05V 2020 RV5 (arc=61 days, H=23.8 ~59m) from CSS (Oct. 12.24-26p4)
K20R04P 2020 RP4 (arc=34 days, H=23.6 ~65m) from PJMSO (Oct. 13.29-30p5)
K20R03R 2020 RR3 (arc=33 days, H=22.2 ~123m) from Chabot Obs. (Oct. 13.16-17p3)
K20P03Y 2020 PY3 (arc=59 days, H=23.8 ~59m) from ARO Westfield (Oct. 12.27p3 at V=22.2-6)
K20M05O 2020 MO5 (arc=112 days, H=22.4 ~112m) from ARO Westfield (Oct. 12.08p2 at V=22.4)
K14Qd0L 2014 QL390 (arc=5 opp, H=22.1 ~129m) from ARO Westfield (Oct. 12.13-14p3 at V=22.0-22.2)
K12S32H 2012 SH32 (arc=2 opp, H=22.2 ~123m) from MLS (Oct. 12.16-17p4)
K12M03Q 2012 MQ3 (arc=2 opp, H=22.3 ~117m) from MLS (Oct. 12.20-21p4)
K20S02H 2020 SH2 (i=44.2°, arc=30 days, H=22.0 ~135m) from ARO Westfield (Oct. 12.04-06p6 at V=21.6-22.4)
K20Q02H 2020 QH2 (arc=73 days, H=21.9 ~141m) from MLS (Oct. 12.26-27p4) and PS1 (Oct. 12.50-53p3)
Observations of other objects
K20T01C 2020 TC1 (arc=6 days, H=20.8 ~234m) from Steward Mt. Lemmon Sta. (Oct. 13.13p4)
K20T00X 2020 TX (arc=7 days, H=19.6 ~407m) from Steward Mt. Lemmon Sta. (Oct. 13.10-11p4)
K20S01T 2020 ST1 (arc=47 days, H=21.7 ~155m) from PJMSO (Oct. 13.23p5)
K20S01L 2020 SL1 (Q=4.121 AU, arc=3 opp, H=17.2 ~1.23 km) from PS1 (Oct. 12.51-54p3)
K20S01G 2020 SG1 (arc=25 days, H=19.9 ~355m) from ATLAS Mauna Loa (Oct. 12.26-29p4)
K20S01C 2020 SC1 (arc=28 days, H=21.0 ~214m) from PS1 (Oct. 12.51-55p4)
K20R09Z 2020 RZ9 (Q=4.209 AU, arc=29 days, H=21.2 ~195m) from E. Schwab via Calar Alto Schmidt (Oct. 12.92-95p3) and PJMSO (Oct. 13.30-31p5)
K20R03U 2020 RU3 (arc=32 days, H=21.2 ~195m) from ARO Westfield (Oct. 12.06-07p3 at V=21.8-22.1)
K20Q06U 2020 QU6 (arc=47 days, H=18.2 ~776m) from ZTF (Oct. 9.19-21p4 & 12.17-23p4), CSS (Oct. 12.16-17p4), and PJMSO (Oct. 13.21-22p6)
K20Q06Q 2020 QQ6 (Q=4.107 AU, arc=61 days, H=19.8 ~371m) from PJMSO (Oct. 13.28p3)
K20Q05F 2020 QF5 (arc=59 days, H=21.6 ~162m) from PS2 (Oct. 12.54-58p3)
K20P07F 2020 PF7 (Q=5.014 AU, arc=66 days, H=18.7 ~616m) from Farpoint Obs. (Oct. 13.11-12p4)
K20P07C 2020 PC7 (arc=65 days, H=21.6 ~162m) from ARO Westfield (Oct. 12.05-06p3 at V=21.8-22.2)
K20P05C 2020 PC5 (Q=4.177 AU, arc=60 days, H=18.6 ~645m) from ATLAS Haleakala (Oct. 12.52-54p4) and PJMSO (Oct. 13.25-26p6)
K20P01D 2020 PD1 (Q=4.135 AU, arc=113 days, H=19.2 ~490m) from ZTF (Oct. 12.29p2 & 12.33p2), ATLAS Haleakala (Oct. 12.55-58p4), Chabot Obs. (Oct. 13.22-25p4), and PJMSO (Oct. 13.32p6)
K20O08C 2020 OC8 (arc=120 days, H=20.7 ~245m) from CSS (Oct. 12.16-17p4), ZTF (Oct. 12.19-23p4), and PJMSO (Oct. 13.22-23p4)
K20O02A 2020 OA2 (arc=108 days, H=21.7 ~155m) from Farpoint Obs. (Oct. 13.19-21p4)
K19R03V 2019 RV3 (arc=49 days, H=19.7 ~389m) from Spacewatch 1.8m (2019 Sept. 22.48p2)
K19G03Q 2019 GQ3 (arc=2 opp, H=20.7 ~245m) from CSS (Oct. 12.28-30p4)
K16T56Z 2016 TZ56 (i=60.6°, arc=4 opp, H=19.3 ~467m) from CSS (Oct. 12.33-34p2)
K16L47Y 2016 LY47 (arc=2 opp, H=19.8 ~371m) from MLS (Oct. 12.36-38p4)
K14V01U 2014 VU1 (arc=4 opp, H=18.6 ~645m) from MLS (Oct. 12.49-50p4)
K13V09Z 2013 VZ9 (arc=2 opp, H=19.9 ~355m) from PS2 (Oct. 12.55-58p3)
K13TD2R 2013 TR132 (arc=4 opp, H=20.1 ~323m) from MLS (Oct. 12.49-50p4)
K13T05S 2013 TS5 (i=54.3°, arc=4 opp, H=19.3 ~467m) from CSS (Oct. 12.39-41p2)
K13P06Y 2013 PY6 (arc=4 opp, H=19.3 ~467m) from Glenlee Obs. (Oct. 9.53-55p3) and PJMSO (Oct. 13.32-33p6)
K12D08P 2012 DP8 (arc=5 opp, H=19.8 ~371m) from Zvjezdarnica Graberje (Sept. 20.07-11p4 & Oct. 4.79-82p3)
K11UJ2X 2011 UX192 (i=55.6°, q=0.305 AU, arc=4 opp, H=18.5 ~676m) from ARO Westfield (Oct. 12.30-31p3 at V=22.0-22.1)
K09S19T 2009 ST19 (arc=6 opp, H=18.3 ~741m) from MLS (Oct. 12.43-44p4)
K09R02H 2009 RH2 (arc=2 opp, H=21.4 ~178m) from MLS (Oct. 12.35-36p3)
K09J01K 2009 JK1 (arc=4 opp, H=19.7 ~389m) from PS1 (Oct. 12.57-59p3)
K08CB8Z 2008 CZ118 (arc=4 opp, H=18.5 ~676m) from MLS (Oct. 12.30-32p4)
K07VD7X 2007 VX137 (arc=5 opp, H=18.5 ~676m) from Zvjezdarnica Graberje (Sept. 19.98-00p4, 20.06p1 & Oct. 4.83-84p3), Glenlee Obs. (Oct. 9.54-55p3), and PJMSO (Oct. 13.27-28p5)
K07S01R 2007 SR1 (arc=4 opp, H=20.2 ~309m) from MLS (Oct. 12.28-30p4)
K06J42E 2006 JE42 (Q=4.197 AU, arc=2 opp, H=19.9 ~355m) from Spacewatch 1.8m (2019 Oct. 5.36-37p2)
K05T49F 2005 TF49 (arc=7 opp, H=18.9 ~562m) from MLS (Oct. 12.50-52p4)
K05JA8T 2005 JT108 (arc=6 opp, H=19.5 ~426m) from ZTF (Oct. 12.26p1 & 12.31-33p3) and ATLAS Mauna Loa (Oct. 12.47-49p4)
K04X14P 2004 XP14 (arc=4 opp, H=19.4 ~446m) from MLS (Oct. 12.11-13p4)
K04U00B 2004 UB (arc=4 opp, H=20.4 ~282m) from SATINO-1 (Oct. 12.11p1 & 12.16p1)
K04R84F 2004 RF84 (arc=4 opp, H=18.3 ~741m) from PJMSO (Oct. 13.24p6)
K04Q17D 2004 QD17 (arc=5 opp, H=19.8 ~371m) from ZTF (Oct. 9.19-23p4 & 9.28p1)
K02T67S 2002 TS67 (arc=6 opp, H=19.1 ~513m) from CSS (Oct. 12.48-49p4)
K01SR6H 2001 SH276 (arc=956 days, H=19.5 ~426m) from CSS-Kuiper (Oct. 12.49-50p2)
K00T28U 2000 TU28 (arc=3 opp, H=20.9 ~224m) from Ondrejov Obs. (Oct. 9.81-84p3) and PJMSO (Oct. 13.36p6)
o5019 505019 2011 QH21 from MLS (Oct. 12.13-15p4)
m0824 480824 1999 JO6 from ZTF (Oct. 12.40-42p3 & 12.46p1) and CSS (Oct. 12.45p1)
l4179 474179 1999 VS6 from CSS (Oct. 12.41-43p4)
i3837 443837 2000 TJ1 from CSS (Oct. 12.26-28p4)
g8086 428086 2006 NM from ATLAS Mauna Loa (Oct. 12.53-58p4)
g0302 420302 2011 XZ1 from ZTF (Oct. 9.23-25p3, 9.32p1 & 9.43p1)
f4903 414903 2010 XT45 from PS1 (Oct. 12.57-59p3)
f4586 414586 2009 UV18 from PS1 (Oct. 12.56-60p4)
c2625 382625 2002 PC130 from Zvjezdarnica Graberje (Sept. 20.03-05p3 & 24.79-81p4)
c0359 380359 2002 TN30 from CSS (Oct. 12.50-52p3)
Z7058 357058 2001 OG25 from CSS (Oct. 12.33-34p4)
Y7634 347634 2001 SW269 from CSS (Oct. 12.28-30p4)
V6695 316695 1996 TE9 from CSS (Oct. 12.20-21p4)
S5331 285331 1999 FN53 from PS1 (Oct. 12.56-60p3)
R6274 276274 2002 SS41 from MLS (Oct. 12.10-12p4)
P6412 256412 2007 BT2 from CSS (Oct. 12.28-30p3)
P3106 253106 2002 UR3 from MLS (Oct. 12.47-49p4)
J0208 190208 2006 AQ from MLS (Oct. 12.45-46p4)
J0119 190119 2004 VA64 from ARO Westfield (Oct. 12.37p3 at V=22.2-3)
G2913 162913 2001 MT18 from CSS (Oct. 12.25-26p2)
G2781 162781 2000 XL44 from MLS (Oct. 12.47-48p3)
G2210 162210 1999 SM5 from MLS (Oct. 12.34-36p4)
G2173 162173 Ryugu (1999 JU3) from MLS (Oct. 12.17-19p4), ZTF (Oct. 12.20-24p4), and Southern Utsunomiya (Oct. 12.59p6)
F9402 159402 1999 AP10 from ISON Kislovodsk Obs. (Oct. 12.64p3)
F4275 154275 2002 SR41 from MLS (Oct. 12.13-15p4)
E5656 145656 4788 P-L from CSS (Oct. 12.26-28p4) and ATLAS Haleakala (Oct. 12.54-56p4)
E3651 143651 2003 QO104 from MLS (Oct. 12.42-44p4 at G=21.18-22.25)
E0333 140333 2001 TD2 from MLS (Oct. 12.26-28p4)
E0158 140158 2001 SX169 from ZTF (Oct. 12.29p2 & 12.33p2)
D6773 136773 1996 TR6 from PS2 (Oct. 12.54-58p4)
88264 88264 2001 KN20 from CSS (Oct. 12.41-43p4)
87684 87684 2000 SY2 from CSS (Oct. 12.39-40p4)
69230 69230 Hermes (1937 UB) from Ondrejov Obs. (Oct. 4.85p1 & 4.89-92p2), CSS (Oct. 12.24-26p4), and ATLAS Haleakala (Oct. 12.51-53p4)
68359 68359 2001 OZ13 from CSS (Oct. 12.39-41p4)
55532 55532 2001 WG2 from PS2 (Oct. 12.54-58p4)
41429 41429 2000 GE2 from MLS (Oct. 12.38-40p4)
36284 36284 2000 DM8 from ATLAS Mauna Loa (Oct. 12.23-25p4)
27031 27031 1998 RO4 from PS1 (Oct. 12.56-60p4)
27002 27002 1998 DV9 from ZTF (Oct. 12.29-32p4) and CSS (Oct. 12.30-32p3)
23714 23714 1998 EC3 from ZTF (Oct. 12.29-32p4) and CSS (Oct. 12.30-32p4)
21088 21088 Chelyabinsk (1992 BL2) from MLS (Oct. 12.49-50p4)
19764 19764 2000 NF5 from ATLAS Haleakala (Oct. 12.52-54p4)
08035 8035 1992 TB from CSS (Oct. 12.24-26p4)
08013 8013 Gordonmoore (1990 KA) from PS1 (Oct. 12.56-59p3)
04953 4953 1990 MU from CSS (Oct. 12.39p2)
04055 4055 Magellan (1985 DO2) from CSS (Oct. 12.41-43p4)
03691 3691 Bede (1982 FT) from Glenlee Obs. (Sept. 20.42-46p3 & 21.41-45p3) and CSS (Oct. 12.15-17p4)
02368 2368 Beltrovata (1977 RA) from MLS (Oct. 12.41-42p4)
00887 887 Alinda (1918 DB) from MASTER Tavrida (Oct. 11.88-89p2), MASTER OAFA Obs. (Oct. 12.16-17p2), and CSS (Oct. 12.24-26p4)

MPEC 2020-T115 - "10:47 UT" - 2005 UV64

K05U64V 2005 UV64 (Earth MOID=9.9 LD, H=26.4 ~18m, NHATS) from MLS (Oct. 11.23-24p3 at G=21.0-22.6 & 12.22-23p4 at G=20.87-21.63), CSS-Kuiper (Oct. 12.36-37p3), and Steward Mt. Lemmon Sta. (Oct. 13.15-17p4)

MPEC 2020-T114 - "10:40 UT" - 2019 QU39

K19Q39U 2019 QU39 (H=20.8 ~234m) was picked up at 1332 UT on 27 Aug. 2019 by PS2, observing it at 2019 Aug. 27.56-60p3 and 2019 Oct. 31.41-43p3. This detection was confirmed by MLS (2019 Sept. 4.40-42p4, 2019 Oct. 1.33-34p4, 2019 Oct. 10.27-29p4, 2019 Oct. 20.37-39p4 & 2019 Oct. 26.29-31p4), the Spacewatch 0.9m telescope (2019 Oct. 7.28-30p3), and PS1 (2019 Oct. 25.44-47p3).

MPEC 2020-T113 - "10:39 UT" - 2019 QW39

K19Q39W 2019 QW39 (H=21.4 ~178m) was picked up at 1029 UT on 27 Aug. 2019 by MLS, observing it at 2019 Aug. 27.40-45p8 at G=21.5-22.5, 2019 Oct. 9.34-35p4 at G=21.3-6, 2019 Oct. 23.39-41p4 at G=21.0-5, 2019 Nov. 5.30-31p4 at G=20.9-21.8, and 2019 Nov. 19.28-30p3 at G=21.4-7. This detection was confirmed by PS1 (2019 Sept. 30.60-62p3) and PS2 (2019 Oct. 25.57-60p3).

MPEC 2020-T112 - "10:03 UT" - 2020 TS3

K20T03S 2020 TS3 (small asteroid, H=25.22 ~31m) was picked up at 0711 UT on 12 Oct. by MLS, observing it at Oct. 12.30-32p3. This detection was confirmed by CSS (Oct. 11.39p2), Steward Mt. Lemmon Sta. (Oct. 12.42p3), Visnjan Obs. (Oct. 12.96p3), McDonald Obs. (Oct. 13.27-28p3), and ARO Westfield (Oct. 13.28-29p4).

MPEC 2020-T111 - "10:01 UT" - 2020 TR3

K20T03R 2020 TR3 (small asteroid, H=25.51 ~27m) was picked up at 0423 UT on 12 Oct. by MLS, observing it at Oct. 12.18-19p3. This detection was confirmed by CSS (Oct. 11.23-24p2), Steward Mt. Lemmon Sta. (Oct. 12.24p2, 12.37p3 & 13.08p3), Visnjan Obs. (Oct. 12.80p5), Schiaparelli Obs. (Oct. 12.86-89p3), and ARO Westfield (Oct. 13.08-09p3).

MPEC 2020-T110 - "09:58 UT" - 2020 TQ3

K20T03Q 2020 TQ3 (Earth MOID=6.8 LD, H=26.57 ~16m) was picked up at 0413 UT on 12 Oct. by MLS, observing it at Oct. 12.18-19p4. This detection was confirmed by CSS (Oct. 9.30-31p2), Steward Mt. Lemmon Sta. (Oct. 12.29-30p4 & 13.08-09p4), Visnjan Obs. (Oct. 12.77p3), Calar Alto Schmidt/code 1 (Oct. 12.79p3), Schiaparelli Obs. (Oct. 12.90-92p3), ARO Westfield (Oct. 13.07-08p4), Sandlot Obs. (Oct. 13.09-11p3), and Farpoint Obs. (Oct. 13.13-15p4).

MPEC 2020-T109 - "09:56 UT" - 2020 TP3

K20T03P 2020 TP3 (small asteroid, H=22.09 ~129m) was picked up at 0809 UT on 12 Oct. by MLS, observing it at Sept. 29.31-33p3 and Oct. 12.34-36p4. This detection was confirmed by Steward Mt. Lemmon Sta. (Oct. 12.47p4), CSS (Oct. 13.32-34p3), ARO Westfield (Oct. 13.34p3), and Sandlot Obs. (Oct. 13.37-39p3).

MPEC 2020-T108 - "01:49 UT" - 2020 TN3

K20T03N 2020 TN3 (small asteroid, H=24.24 ~48m) was picked up at 0720 UT on 12 Oct. by CSS, observing it at Oct. 10.38-39p2 and 12.31-32p4. This detection was confirmed by ZTF (Oct. 12.28-32p6), Steward Mt. Lemmon Sta. (Oct. 12.34p4 & 12.46p3), ATLAS Haleakala (Oct. 12.54-57p4), Bernezzo Obs. (Oct. 12.83p4), Farra d'Isonzo Obs. (Oct. 12.85-86p3), GiaGa Obs. (Oct. 12.89-90p3), Visnjan Obs. (Oct. 12.93p5), and Schiaparelli Obs. (Oct. 12.94p3).

Observers on 13 October '20

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

Code	Observer / observatory
`251`	Arecibo in Puerto Rico, 1 in radar -- 1981
`H21`	Astronomical Research Obs. Westfield in Illinois, 15 in MPECs 2020-T109, 2020-T110, 2020-T111, 2020-T112 & 2020-T116 -- 2020 TS3, 2020 TR3, 2020 TQ3, 2020 TP3, 2020 SX6, 2020 SP1, 2020 SH2, 2020 SC5, 2020 RU3, 2020 PY3, 2020 PC7, 2020 MO5, 2014 QL390, 2011 UX192, 190119
`T05`	ATLAS Haleakala in Hawaii, 7 in MPECs 2020-T108 & 2020-T116 -- 2020 TN3, 2020 RM6, 2020 PD1, 2020 PC5, 69230, 19764, 145656
`T08`	ATLAS Mauna Loa in Hawaii, 5 in MPEC 2020-T116 -- 2020 TO2, 2020 SG1, 2005 JT108, 428086, 36284
`C77`	Bernezzo Obs. in Italy, 1 in MPEC 2020-T108 -- 2020 TN3
`Z841`	program code 1 via Calar Alto Schmidt in Spain, 4 in MPECs 2020-T110 & 2020-T116 -- 2020 TY1, 2020 TX2, 2020 TQ3, 2020 SO
`Z842`	E. Schwab via Calar Alto Schmidt in Spain, 1 in MPEC 2020-T116 -- 2020 RZ9
`703`	Catalina Sky Survey (CSS) in Arizona, 35 in MPECs 2020-T108, 2020-T109, 2020-T110, 2020-T111, 2020-T112, 2020-T116 & 2020-T119 -- 2020 TS3, 2020 TR3, 2020 TQ3, 2020 TP3, 2020 TN3, 2020 RV5, 2020 RM6, 2020 QU6, 2020 PX3, 2020 OC8, 2019 GQ3, 2016 TZ56, 2013 TS5, 2002 TS67, 88264, 87684, 69230, 68359, 480824, 474179, 443837, 380359, 357058, 347634, 316695, 27002, 256412, 23714, 162913, 145656, 8035, 4953, 4055, 3691, 887
`V06`	Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 3 in MPECs 2020-T115 & 2020-T116 -- 2020 SU4, 2005 UV64, 2001 SH276
`G58`	Chabot Obs. in northern California, 3 in MPEC 2020-T116 -- 2020 RR3, 2020 PD1, 2012 US9
`734`	Farpoint Obs. in Kansas, 4 in MPECs 2020-T110 & 2020-T116 -- 2020 TQ3, 2020 TN3, 2020 PF7, 2020 OA2
`595`	Farra d'Isonzo Obs. in Italy, 1 in MPEC 2020-T108 -- 2020 TN3
`203`	GiaGa Obs. in Italy, 1 in MPEC 2020-T108 -- 2020 TN3
`Q70`	Glenlee Obs., 3 in MPEC 2020-T116 -- 2013 PY6, 2007 VX137, 3691
`D00`	ISON Kislovodsk Obs. in Russia, 1 in MPEC 2020-T116 -- 159402
`W92`	MASTER OAFA Obs., 1 in MPEC 2020-T116 -- 887
`L52`	MASTER Tavrida, 1 in MPEC 2020-T116 -- 887
`711`	McDonald Obs. in Texas, 1 in MPEC 2020-T112 -- 2020 TS3
`V01`	Mountainville Obs. in Utah, 2 in MPEC 2020-T116 -- 2020 TY2, 2020 TW2
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 37 in MPECs 2020-T109, 2020-T110, 2020-T111, 2020-T112, 2020-T113, 2020-T114, 2020-T115, 2020-T116, 2020-T117, 2020-T118 & 2020-T119 -- 2020 TS3, 2020 TR3, 2020 TQ3, 2020 TP3, 2020 QH2, 2020 PX3, 2020 FG15, 2019 QW39, 2019 QU39, 2017 GO6, 2016 LY47, 2014 VU1, 2013 TR132, 2012 SH32, 2012 MQ3, 2009 ST19, 2009 RH2, 2008 TY9, 2008 CZ118, 2007 UY1, 2007 SR1, 2005 UV64, 2005 TF49, 2004 XP14, 505019, 41429, 276274, 253106, 21088, 190208, 162781, 162210, 162173, 154275, 143651, 140333, 2368
`557`	Ondrejov Obs. in the Czech Republic, 2 in MPEC 2020-T116 -- 2000 TU28, 69230
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 16 in MPECs 2020-T113, 2020-T114, 2020-T116, 2020-T117 & 2020-T118 -- 2020 TX2, 2020 SV3, 2020 SS5, 2020 SL1, 2020 SC1, 2020 QH2, 2020 FG15, 2019 QW39, 2019 QU39, 2017 GO6, 2009 JK1, 414903, 414586, 285331, 27031, 8013
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 9 in MPECs 2020-T113, 2020-T114, 2020-T116, 2020-T117 & 2020-T118 -- 2020 TX2, 2020 QF5, 2020 FG15, 2019 QW39, 2019 QU39, 2017 GO6, 2013 VZ9, 55532, 136773
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 16 in MPEC 2020-T116 -- 2020 TJ2, 2020 TD2, 2020 ST1, 2020 SO, 2020 RZ9, 2020 RP4, 2020 QU6, 2020 QQ6, 2020 PD1, 2020 PC5, 2020 OC8, 2013 PY6, 2007 VX137, 2004 RF84, 2001 SG286, 2000 TU28
`H36`	Sandlot Obs. in Kansas, 2 in MPECs 2020-T109 & 2020-T110 -- 2020 TQ3, 2020 TP3
`C95`	SATINO-1 in France, 1 in MPEC 2020-T116 -- 2004 UB
`204`	Schiaparelli Obs. in Italy, 3 in MPECs 2020-T108, 2020-T110 & 2020-T111 -- 2020 TR3, 2020 TQ3, 2020 TN3
`Q21`	Southern Utsunomiya in Japan, 1 in MPEC 2020-T116 -- 162173
`691`	Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2020-T114 -- 2019 QU39
`291`	Spacewatch 1.8m telescope in Arizona, 3 in MPEC 2020-T116 -- 2019 RV3, 2018 EB, 2006 JE42
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 18 in MPECs 2020-T108, 2020-T109, 2020-T110, 2020-T111, 2020-T112, 2020-T115 & 2020-T116 -- 2020 TX, 2020 TW, 2020 TS3, 2020 TR3, 2020 TQ3, 2020 TP3, 2020 TN3, 2020 TL2, 2020 TK2, 2020 TJ1, 2020 TE2, 2020 TD, 2020 TC1, 2020 TC, 2020 SY5, 2020 SV6, 2020 SO, 2005 UV64
`L01`	Visnjan Obs. in Croatia, 5 in MPECs 2020-T108, 2020-T110, 2020-T111, 2020-T112 & 2020-T116 -- 2020 TS3, 2020 TR3, 2020 TQ3, 2020 TN3, 2020 TM3
`L70`	Zvjezdarnica Graberje, 3 in MPEC 2020-T116 -- 2012 DP8, 2007 VX137, 382625
`I41`	Zwicky Transient Facility (ZTF) in southern California, 13 in MPECs 2020-T108 & 2020-T116 -- 2020 TN3, 2020 QU6, 2020 PD1, 2020 OC8, 2005 JT108, 2004 QD17, 2001 SG286, 480824, 420302, 27002, 23714, 162173, 140158

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

Impact Risk Monitoring on 13 October '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 TK3	NEODyS	1700	2056-2118	33	3.97e-05	-5.90	-5.98	0	NEODyS: "Based on 14 optical observations (of which 0 are rejected as outliers) from 2020-10-10.340 to 2020-10-12.230."

2020 TJ3	NEODyS	1700	2036-2118	136	5.49e-06	-5.22	-6.01	0	NEODyS: "Based on 20 optical observations (of which 0 are rejected as outliers) from 2020-10-11.172 to 2020-10-12.821."

2020 TX2	JPL Sentry	1700	R E M O V E D						JPL: Risk listing removed at 1448 UTC today

2020 TO2	JPL Sentry	1700	2119-2119	2	5.843e-06	-6.26	-6.46	0	JPL: Computed at 07:33 today Pacific time based on 26 observations spanning 2.0194 days (2020-Oct-10.466226 to 2020-Oct-12.485663). Diameter approximately 0.017 km. from weighted mean H=26.55.
2020 TO2	NEODyS	1700	2119	3	7.06e-06	-6.18	-6.39	0	NEODyS: "Based on 26 optical observations (of which 1 are rejected as outliers) from 2020-10-10.467 to 2020-10-12.486."

2020 TY1	JPL Sentry	1800	2068-2118	31	8.6105421e-06	-4.15	-4.71	0	JPL #2 for the day: Computed at 10:02 today Pacific time based on 31 observations spanning 4.4936 days (2020-Oct-08.410259 to 2020-Oct-12.90386). Diameter approximately 0.100 km. from weighted mean H=22.62.
2020 TY1	NEODyS	1700	2068-2118	39	6.55e-06	-4.24	-4.73	0	NEODyS: "Based on 31 optical observations (of which 0 are rejected as outliers) from 2020-10-08.411 to 2020-10-12.905."

2020 TW	JPL Sentry	1700	2079-2117	6	2.97101e-06	-7.05	-7.48	0	JPL: Computed at 07:40 today Pacific time based on 53 observations spanning 6.1989 days (2020-Oct-07.274719 to 2020-Oct-13.473581). Diameter approximately 0.011 km. from weighted mean H=27.35.
2020 TW	NEODyS	1700	2076-2112	8	6.04e-07	-7.71	-8.04	0	NEODyS: "Based on 53 optical observations (of which 1 are rejected as outliers) from 2020-10-07.276 to 2020-10-13.474."

2020 SX6	JPL Sentry	1700	2080-2117	8	3.91572e-07	-7.77	-8.32	0	JPL: Computed at 07:36 today Pacific time based on 35 observations spanning 15.906 days (2020-Sep-26.39256 to 2020-Oct-12.298347). Diameter approximately 0.013 km. from weighted mean H=27.07.
2020 SX6	NEODyS	1700	2080-2117	19	2.09e-07	-8.08	-8.73	0	NEODyS: "Based on 35 optical observations (of which 0 are rejected as outliers) from 2020-09-26.393 to 2020-10-12.299."

2020 SU4	NEODyS	1700	R E M O V E D						-

2020 SO	JPL Sentry	1700	R E M O V E D						JPL: Risk listing removed at 1442 UTC today

2017 UA45	JPL Sentry	1700	2099-2112	5	1.98453e-06	-6.60	-6.72	0	JPL: Computed at 10:06 Dec. 18th of 2017 Pacific time based on 39 observations spanning 44.580 days (2017-Oct-27.47452 to 2017-Dec-11.054117). Diameter approximately 0.022 km. from weighted mean H=25.95.

2015 TG24	JPL Sentry	1700	2102-2116	30	1.5775824e-05	-5.92	-6.82	0	JPL: Computed at 15:13 April 6th of 2017 Pacific time based on 44 observations spanning 5.0052 days (2015-Oct-09.35353 to 2015-Oct-14.35876). Diameter approximately 0.016 km. from weighted mean H=26.68.

2010 FN	JPL Sentry	1700	2079-2116	10	3.875288e-06	-6.51	-6.97	0	JPL: Computed at 14:29 April 9th of 2017 Pacific time based on 31 observations spanning 3.8945 days (2010-Mar-17.24321 to 2010-Mar-21.13776). Diameter approximately 0.016 km. from weighted mean H=26.64.

2007 TX22	JPL Sentry	1700	2040-2088	57	3.36332348e-05	-6.16	-6.91	0	JPL: Computed at 19:35 April 7th of 2017 Pacific time based on 22 observations spanning .13425 days (2007-Oct-11.20094 to 2007-Oct-11.33519). Diameter approximately 0.007 km. from weighted mean H=28.38.

2003 UM3	JPL Sentry	1700	2022-2115	37	4.53238e-07	-7.72	-8.57	0	JPL: Computed at 15:29 April 7th of 2017 Pacific time based on 12 observations spanning 1.0106 days (2003-Oct-17.30722 to 2003-Oct-18.3178). Diameter approximately 0.008 km. from weighted mean H=28.03.

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 13 October '20

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

2358	Grabbed MPEC 2020-T119 - 2020 PX3 - see above
2332	Grabbed MPEC 2020-T118 - 2017 GO6 - see above
1800	Noted that JPL Sentry has updated its 2020 TY1 risk assessment - see above
1700	Noted that JPL Sentry has updated its 2003 UM3 risk assessment - see above Noted that JPL Sentry has updated its 2007 TX22 risk assessment - see above Noted that JPL Sentry has updated its 2010 FN risk assessment - see above Noted that JPL Sentry has updated its 2015 TG24 risk assessment - see above Noted that JPL Sentry has updated its 2017 UA45 risk assessment - see above Noted that JPL Sentry has removed 2020 SO as an impact risk - see above Noted that NEODyS has removed 2020 SU4 as an impact risk - see above Noted that JPL Sentry has updated its 2020 SX6 risk assessment - see above Noted that NEODyS has updated its 2020 SX6 risk assessment - see above Noted that NEODyS has posted 2020 TJ3 as an impact risk - see above Noted that NEODyS has posted 2020 TK3 as an impact risk - see above Noted that JPL Sentry has updated its 2020 TO2 risk assessment - see above Noted that NEODyS has posted 2020 TO2 as an impact risk - see above Noted that JPL Sentry has updated its 2020 TW risk assessment - see above Noted that NEODyS has updated its 2020 TW risk assessment - see above Noted that JPL Sentry has removed 2020 TX2 as an impact risk - see above Noted that JPL Sentry has updated its 2020 TY1 risk assessment - see above Noted that NEODyS has updated its 2020 TY1 risk assessment - see above Grabbed MPEC 2020-T109 - 2020 TP3 - see above Grabbed MPEC 2020-T110 - 2020 TQ3 - see above Grabbed MPEC 2020-T111 - 2020 TR3 - see above Grabbed MPEC 2020-T112 - 2020 TS3 - see above Grabbed MPEC 2020-T113 - 2019 QW39 - see above Grabbed MPEC 2020-T114 - 2019 QU39 - see above Grabbed MPEC 2020-T115 - 2005 UV64 - see above Grabbed MPEC 2020-T116 - Daily Orbit Update - see above Grabbed MPEC 2020-T117 - 2020 FG15 - see above
0459	Grabbed MPEC 2020-T108 - 2020 TN3 - see above Noted Radar Astrometry database update - see above

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