Contents  on 4 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 4 October '20

The MPC's NEO Confirmation Page has 21 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 21 objects listed. Of these, eight were "one nighters." So far The Tracking News has counted a total of 24 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 4 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.


MPEC 2020-T07 - "23:11 UT" - 2018 RP8


<< DOU on 4 October '20 >>  MPEC 2020-T06 - "12:21 UT" - Daily Orbit Update

Observers  on 4 October '20

Seventeen observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 7 in MPEC 2020-T06 -- 2020 RV6, 2020 RT2, 2020 RS6, 2020 RP6, 2020 RO3, 2020 QS5, 2020 LZ1
T05ATLAS Haleakala in Hawaii, 12 in MPEC 2020-T06 -- 2020 QU6, 2020 PM7, 2020 OC8, 2016 NV38, 87684, 316695, 163692, 5645, 4953, 4055, 3691, 887
T08ATLAS Mauna Loa in Hawaii, 18 in MPEC 2020-T06 -- 2020 RK2, 2016 ED85, 99935, 66146, 53435, 420302, 376848, 21088, 162173, 10115, 8567, 8014, 5836, 5143, 4947, 3200, 1685, 433
160Castelmartini Obs. in Italy, 13 in MPEC 2020-T06 -- 2016 QD, 2010 TF54, 52750, 370307, 347813, 275611, 250458, 24445, 185851, 16834, 5836, 5587, 4953
C401program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-T06 -- 159402
D95Kurihara Obs. in Japan, 1 in MPEC 2020-T06 -- 388838
Z22MASTER IAC Obs. in the Canary Islands, 1 in MPEC 2020-T06 -- 1036
G96Mt. Lemmon Survey (MLS) in Arizona, 25 in MPEC 2020-T06 -- 2020 SN, 2020 RX8, 2020 RW2, 2020 RA2, 2019 SV4, 2016 FY14, 2016 ED85, 2013 UX14, 2013 MX5, 2007 SR1, 2003 QQ10, 2002 TS67, 2002 GZ8, 1998 MR24, 88264, 68950, 68350, 480824, 376848, 186822, 185716, 155140, 154330, 141052, 10115
F51Pan-STARRS 1 (PS1) in Hawaii, 8 in MPECs 2020-T06 & 2020-T07 -- 2020 RE1, 2018 RP8, 2014 UR116, 2004 QD17, 96315, 162781, 8037, 887
F52Pan-STARRS 2 (PS2) in Hawaii, 10 in MPEC 2020-T06 -- 2020 ST1, 2020 SS4, 2020 RK2, 2020 QO5, 2020 OA2, 2003 UG22, 66272, 276274, 162173, 154275
H36Sandlot Obs. in Kansas, 3 in MPEC 2020-T06 -- 2020 SN, 2020 RO1, 2013 TV144
C95SATINO-1 in France, 1 in MPEC 2020-T06 -- 2020 PG
I52Steward Obs. Mt. Lemmon Station in Arizona, 19 in MPECs 2020-T06 & 2020-T07 -- 2020 SX3, 2020 SS2, 2020 SR6, 2020 SH2, 2020 SB2, 2020 SB, 2020 RV5, 2020 RS4, 2020 RS3, 2020 RO1, 2020 RK9, 2020 RK2, 2020 RE1, 2020 RE, 2020 QU6, 2020 PX3, 2020 PM4, 2018 SK1, 2018 RP8
W33Transit Dreams Obs., 7 in MPEC 2020-T06 -- 2020 SX3, 2016 ED85, 69230, 443837, 19764, 159402, 887
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-T06 -- 2018 SK3
C51WISE in Earth polar orbit, 1 in MPEC 2020-T06 -- 2010 AB78
I41Zwicky Transient Facility (ZTF) in southern California, 8 in MPEC 2020-T06 -- 2020 RE, 2019 AQ3, 2013 UX14, 489885, 19356, 16816, 162463, 12538
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 4 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
2018 TP5JPL Sentry19312074-2105231.637886e-05-5.34-5.870JPL: Computed at 07:41 Aug. 22nd Pacific time based on 47 observations spanning 58.658 days (2018-Oct-05.39294 to 2018-Dec-03.050513). Diameter approximately 0.024 km. from weighted mean H=25.76.
2016 TQ2JPL Sentry19312110-211573.09591e-06-6.36-6.680JPL: Computed at 21:38 April 7th of 2017 Pacific time based on 89 observations spanning 5.9970 days (2016-Oct-04.26195 to 2016-Oct-10.259). Diameter approximately 0.017 km. from weighted mean H=26.45.
2014 YP44JPL Sentry19312092-210133.766e-10-10.36-10.700JPL: Computed at 12:14 April 9th of 2017 Pacific time based on 13 observations spanning .67029 days (2014-Dec-30.40116 to 2014-Dec-31.07145). Diameter approximately 0.020 km. from weighted mean H=26.12.
2013 TV132JPL Sentry19312099-211562.60436e-06-6.66-7.030JPL: Computed at 00:43 April 12th of 2017 Pacific time based on 34 observations spanning 20.994 days (2013-Oct-12.39906 to 2013-Nov-02.392943). Diameter approximately 0.017 km. from weighted mean H=26.54.
2011 CF66JPL Sentry19312021-21178251.41685698e-05-5.95-7.130JPL: Computed at 03:11 April 7th of 2017 Pacific time based on 11 observations spanning .17761 days (2011-Feb-13.33976 to 2011-Feb-13.51737). Diameter approximately 0.009 km. from weighted mean H=27.83.
2007 FT3JPL Sentry19312024-21161641.364327e-06-2.95-3.460JPL: Computed at 04:14 April 11th of 2017 Pacific time based on 14 observations spanning 1.2324 days (2007-Mar-20.45448 to 2007-Mar-21.68686). Diameter approximately 0.340 km. from weighted mean H=19.97.

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 4 October '20

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

2331Grabbed MPEC 2020-T07 - 2018 RP8 - see above
1931Noted that JPL Sentry has updated its 2007 FT3 risk assessment - see above
Noted that JPL Sentry has updated its 2011 CF66 risk assessment - see above
Noted that JPL Sentry has updated its 2013 TV132 risk assessment - see above
Noted that JPL Sentry has updated its 2014 YP44 risk assessment - see above
Noted that JPL Sentry has updated its 2016 TQ2 risk assessment - see above
Noted that JPL Sentry has updated its 2018 TP5 risk assessment - see above
1700Grabbed MPEC 2020-T06 - Daily Orbit Update - see above