Contents  on 3 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 3 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, nine 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 3 October '20

Minor Planet Electronic Circulars

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

<< DOU on 3 October '20 >>  MPEC 2020-T05 - "12:19 UT" - Daily Orbit Update

Observers  on 3 October '20

Nine observers appear in today's MPEC.

CodeObserver / observatory
T08ATLAS Mauna Loa in Hawaii, 1 in MPEC 2020-T05 -- 2013 UX14
U63Burnt Tree Hill Obs., 2 in MPEC 2020-T05 -- 2020 OJ2, 136900
160Castelmartini Obs. in Italy, 7 in MPEC 2020-T05 -- 2009 VY25, 52750, 248083, 185851, 171819, 154244, 4953
C95SATINO-1 in France, 1 in MPEC 2020-T05 -- 2020 OC8
291Spacewatch 1.8m telescope in Arizona, 3 in MPEC 2020-T05 -- 2020 BA1, 2019 OM1, 2019 BT2
W34Squirrel Valley Obs. in North Carolina, 2 in MPEC 2020-T05 -- 420302, 162173
W33Transit Dreams Obs., 5 in MPEC 2020-T05 -- 2020 RM, 30825, 163081, 136900, 105140
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-T05 -- 2016 UL5
I41Zwicky Transient Facility (ZTF) in southern California, 4 in MPEC 2020-T05 -- 89355, 68359, 414903, 163902
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 3 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.





Notes for Today's Latest Risk Assessments
2018 FK5JPL Sentry18002087-211023.72e-06-7.22-7.500JPL: Computed at 18:39 March 29th of 2018 Pacific time based on 33 observations spanning 1.7506 days (2018-Mar-28.22211 to 2018-Mar-29.97275). Diameter approximately 0.007 km. from weighted mean H=28.28.
2016 JAJPL Sentry18002064-208934.06092e-08-8.84-9.100JPL: Computed at 08:08 May 18th of 2019 Pacific time based on 51 observations spanning 16.071 days (2016-May-01.32646 to 2016-May-17.397701). Diameter approximately 0.011 km. from weighted mean H=27.51.
2014 YP44JPL Sentry18002092-210133.766e-10-10.36-10.710JPL: 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.
2007 FT3JPL Sentry18002024-21161641.364327e-06-2.96-3.460JPL: 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.
2005 TH50JPL Sentry18002031-2101255.462583e-05-5.90-6.230JPL: Computed at 12:18 April 8th of 2017 Pacific time based on 16 observations spanning 3.7846 days (2005-Oct-09.42882 to 2005-Oct-13.21338). Diameter approximately 0.009 km. from weighted mean H=27.98.

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 3 October '20

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

1800Noted that JPL Sentry has updated its 2005 TH50 risk assessment - see above
Noted that JPL Sentry has updated its 2007 FT3 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 JA risk assessment - see above
Noted that JPL Sentry has updated its 2018 FK5 risk assessment - see above
1700Grabbed MPEC 2020-T05 - Daily Orbit Update - see above