Contents  on 29 October '20

Asteroid/Comet Connection (A/CC) Resources:

The latest A/CC news is available via framed access, RSS news feed 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 29 October '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, 26 were "one nighters." So far The Tracking News has counted a total of 35 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 29 October '20

Minor Planet Electronic Circulars

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


<< DOU on 29 October '20 >>  MPEC 2020-U263 - "12:09 UT" - Daily Orbit Update


MPEC 2020-U262 - "01:09 UT" - 2020 UR6

Observers  on 29 October '20

A total of 20 observers appear in today's MPECs.

CodeObserver / observatory
T08ATLAS Mauna Loa in Hawaii, 7 in MPECs 2020-U262 & 2020-U263 -- 2020 UR6, 2014 UR116, 2002 GZ8, 88188, 415029, 380359, 154330
703Catalina Sky Survey (CSS) in Arizona, 21 in MPECs 2020-U262 & 2020-U263 -- 2020 UR6, 2020 QM4, 2017 VT12, 2016 ED85, 2014 UR116, 2011 GO27, 2007 TG8, 2004 US1, 2003 UG22, 489885, 474179, 376848, 340666, 305090, 253106, 21088, 16834, 162911, 144411, 141052, 10115
970Chelmsford Obs. in England, 2 in MPECs 2020-U262 & 2020-U263 -- 2020 UR6, 2020 UQ6
Z99Clixby Obs. in England, 4 in MPEC 2020-U263 -- 2020 UM6, 2014 UR116, 2013 UX14, 2007 UY1
W84!program code "!" (10) via DECam in Chile, 1 in MPEC 2020-U263 -- 8035
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2020-U262 -- 2020 UR6
Q64LCO Siding Spring B in New South Wales, 1 in MPEC 2020-U263 -- 2020 UO6
130Lumezzane Obs. in Italy, 6 in MPEC 2020-U263 -- 2020 SR7, 2005 JT108, 2004 UR1, 418797, 382625, 316695
K38M57 Obs. in Italy, 1 in MPEC 2020-U263 -- 2020 SR7
G96Mt. Lemmon Survey (MLS) in Arizona, 28 in MPECs 2020-U262 & 2020-U263 -- 2020 UR6, 2020 TQ7, 2020 TP3, 2020 TG4, 2020 SR7, 2020 SC1, 2020 QM4, 2020 OG4, 2017 VT12, 2016 VR5, 2016 CX264, 2009 ST19, 2007 SR1, 2004 UB, 85804, 483547, 474179, 380128, 283729, 276786, 21088, 190208, 162781, 162210, 162186, 138947, 112221, 8037
K74Muensterschwarzach Obs. in Germany, 1 in MPEC 2020-U263 -- 2005 JT108
F51Pan-STARRS 1 in Hawaii, 1 in MPEC 2020-U262 -- 2020 UR6
F52Pan-STARRS 2 in Hawaii, 1 in MPEC 2020-U262 -- 2020 UR6
L07Salvatore di Giacomo Obs., 1 in MPEC 2020-U263 -- 2020 UQ6
104San Marcello Pistoiese Obs. in Italy, 3 in MPECs 2020-U262 & 2020-U263 -- 2020 UR6, 2020 UQ6, 2020 UM6
C95SATINO-1 in France, 1 in MPEC 2020-U263 -- 2009 UM
G40,program code "," (21) via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-U263 -- 2020 TR5
G40[program code "[" (25) via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-U263 -- 2020 UM6
I52Steward Obs. Mt. Lemmon Station in Arizona, 37 in MPEC 2020-U263 -- 2020 UZ5, 2020 UX3, 2020 US1, 2020 UL3, 2020 UJ3, 2020 UG4, 2020 UF6, 2020 UE6, 2020 UC5, 2020 UB5, 2020 UB4, 2020 TY1, 2020 TX, 2020 TU5, 2020 TP3, 2020 TO8, 2020 TN6, 2020 TJ3, 2020 TG4, 2020 TF, 2020 SR7, 2020 RU, 2020 RR3, 2020 RP4, 2020 RO9, 2020 RA8, 2020 QS, 2020 QM4, 2020 QL6, 2020 QF5, 2020 OQ2, 2020 OG4, 2017 UP2, 2017 UH5, 2017 ER22, 2016 WZ7, 2016 CX264
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-U263 -- 2019 TN5
L01Visnjan Obs. in Croatia, 1 in MPEC 2020-U262 -- 2020 UR6
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 29 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 UO6JPL Sentry23582111-211120.0001578294-5.24-5.250JPL #2 for the day: Computed at 16:28 today Pacific time based on 40 observations spanning 1.4125 days (2020-Oct-27.341505 to 2020-Oct-28.754037). Diameter approximately 0.012 km. from weighted mean H=27.32.
NEODyS1700211145.2e-07-7.74-7.960NEODyS: "Based on 41 optical observations (of which 3 are rejected as outliers) from 2020-10-27.337 to 2020-10-28.755."
2020 UL3JPL Sentry17002111-211891.992506e-06-5.16-5.500JPL: Computed at 07:04 today Pacific time based on 42 observations spanning 11.760 days (2020-Oct-17.535831 to 2020-Oct-29.295842). Diameter approximately 0.079 km. from weighted mean H=23.16.
NEODyS17002111-2120152.77e-06-5.02-5.45n/aNEODyS: "Based on 42 optical observations (of which 1 are rejected as outliers) from 2020-10-17.537 to 2020-10-29.297."
2020 TD8JPL Sentry17002045-2096133.50708e-06-6.39-6.740JPL: Computed at 07:10 Oct. 28th Pacific time based on 78 observations spanning 11.713 days (2020-Oct-15.322434 to 2020-Oct-27.035254). Diameter approximately 0.014 km. from weighted mean H=26.92.
2020 TJ3JPL Sentry17002056-2119317.66758521e-05-4.10-4.740JPL: Computed at 07:14 today Pacific time based on 55 observations spanning 17.934 days (2020-Oct-11.171145 to 2020-Oct-29.105117). Diameter approximately 0.042 km. from weighted mean H=24.56.
NEODyS17002067-2120677.21e-05-4.14-4.76n/aNEODyS: "Based on 55 optical observations (of which 1 are rejected as outliers) from 2020-10-11.172 to 2020-10-29.106."
2020 TY1JPL Sentry17002098-211331.88736e-07-5.83-5.900JPL: Computed at 07:00 today Pacific time based on 95 observations spanning 20.840 days (2020-Oct-08.410259 to 2020-Oct-29.249928). Diameter approximately 0.100 km. from weighted mean H=22.65.
NEODyS17002098-212063.51e-07-5.58-5.77n/aNEODyS: "Based on 96 optical observations (of which 1 are rejected as outliers) from 2020-10-08.411 to 2020-10-29.251."
2019 VE4JPL Sentry17002072-211963.00728e-06-7.21-7.460JPL: Computed at 09:59 Nov. 26th of 2019 Pacific time based on 15 observations spanning 12.931 days (2019-Nov-05.29836 to 2019-Nov-18.229371). Diameter approximately 0.009 km. from weighted mean H=27.89.
2019 TN5JPL Sentry17002041-204111.395e-07-8.12-8.120JPL: Computed at 06:58 today Pacific time based on 15 observations spanning 17.189 days (2019-Oct-06.36132 to 2019-Oct-23.550314). Diameter approximately 0.007 km. from weighted mean H=28.41.
NEODyS1700204118.38e-08-8.37-8.370NEODyS: "Based on 15 optical observations (of which 0 are rejected as outliers) from 2019-10-06.362 to 2019-10-23.551."
2014 HR197JPL Sentry17002021-21121887.33353e-08-7.09-7.990JPL: Computed at 10:48 April 9th of 2017 Pacific time based on 15 observations spanning .95899 days (2014-Apr-24.15618 to 2014-Apr-25.11517). Diameter approximately 0.014 km. from weighted mean H=26.94.
2010 VR139JPL Sentry17002024-2076132.06067e-08-8.37-8.990JPL: Computed at 11:46 April 7th of 2017 Pacific time based on 7 observations spanning .06429 days (2010-Nov-14.33679 to 2010-Nov-14.40108). Diameter approximately 0.015 km. from weighted mean H=26.71.
2010 UR7JPL Sentry17002079-208632.8369e-06-6.74-7.060JPL: Computed at 03:35 April 13th of 2017 Pacific time based on 48 observations spanning 11.238 days (2010-Oct-30.16358 to 2010-Nov-10.40179). Diameter approximately 0.011 km. from weighted mean H=27.38.
2008 VLJPL Sentry17002021-21166321.1563129e-05-6.29-7.330JPL: Computed at 10:17 April 8th of 2017 Pacific time based on 8 observations spanning .12404 days (2008-Nov-02.31035 to 2008-Nov-02.43439). Diameter approximately 0.009 km. from weighted mean H=27.96.
2005 UL6JPL Sentry17002068-206821.1215e-07-6.70-6.900JPL: Computed at 14:30 April 7th of 2017 Pacific time based on 73 observations spanning 24.141 days (2005-Oct-29.21089 to 2005-Nov-22.35159). Diameter approximately 0.042 km. from weighted mean H=24.52.

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 29 October '20

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

2358Noted that JPL Sentry has updated its 2020 UO6 risk assessment - see above
1700Noted that JPL Sentry has updated its 2005 UL6 risk assessment - see above
Noted that JPL Sentry has updated its 2008 VL risk assessment - see above
Noted that JPL Sentry has updated its 2010 UR7 risk assessment - see above
Noted that JPL Sentry has updated its 2010 VR139 risk assessment - see above
Noted that JPL Sentry has updated its 2014 HR197 risk assessment - see above
Noted that JPL Sentry has updated its 2019 TN5 risk assessment - see above
Noted that NEODyS has updated its 2019 TN5 risk assessment - see above
Noted that JPL Sentry has updated its 2019 VE4 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TD8 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TJ3 risk assessment - see above
Noted that NEODyS has updated its 2020 TJ3 risk assessment - 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
Noted that JPL Sentry has updated its 2020 UL3 risk assessment - see above
Noted that NEODyS has updated its 2020 UL3 risk assessment - see above
Noted that JPL Sentry has updated its 2020 UO6 risk assessment - see above
Noted that NEODyS has updated its 2020 UO6 risk assessment - see above
Grabbed MPEC 2020-U263 - Daily Orbit Update - see above
0430Grabbed MPEC 2020-U262 - 2020 UR6 - see above