Contents  on 22 November '10


The latest A/CC news is available via framed access, RSS news feed RSS news feed, or redirection. - Note: A/CC has a main Web site and also a backup site with its own duplicate RSS news feed.

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. And use the all-up news archive to access news from any time since A/CC began in early 2002. To keep track of what's new each day, watch the Chronology section.

NEOCP Activity  on 22 November '10

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty and hasn't been noted by The Tracking News as being active yet today (checked at 2359 UTC). It was last noted active yesterday.

New MPECs  on 22 November '10

Minor Planet Electronic Circulars

As of last check at 2359 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

<< DOU on 22 Nov. '10 >>  MPEC 2010-W18 - "07:12 UT" - Daily Orbit Update

Observers  on 22 November '10

Ten observers appear in today's MPEC.

CodeObserver / observatory
A50Andrushivka Obs. in the Ukraine, 1 in MPEC 2010-W18 -- 1999 XR35
H55Astronomical Research Obs. in Illinois, 1 in MPEC 2010-W18 -- 2003 MV7
H21Astronomical Research Obs. Westfield in Illinois, 25 in MPEC 2010-W18 -- 2010 VZ75, 2010 VZ11, 2010 VY71, 2010 VT11, 2010 VS71, 2010 VR, 2010 VP21, 2010 VO1, 2010 UX7, 2010 US7, 2010 UQ7, 2010 TM3, 2010 TK19, 2010 TJ19, 2010 SK15, 2010 SK13, 2010 RQ64, 2010 RP80, 2010 RN80, 2010 RJ4, 2010 RC130, 2010 NW117, 2010 MR87, 2010 LR68, 2010 LO97
B75Betelgeuse Station in Italy, 5 in MPEC 2010-W18 -- 53430, 248818, 162900, 1627, 1620
448Desert Moon Obs. in New Mexico, 1 in MPEC 2010-W18 -- 2010 VB140
379Hamamatsu-Yuto Obs. in Japan, 1 in MPEC 2010-W18 -- 2007 VC138
511Haute Provence Obs. in Germany, 6 in MPEC 2010-W18 -- 2010 WB, 2010 VZ139, 2010 VY190, 2010 VY139, 2010 UX6, 2010 SC41
5682David Tholen's team on Mauna Kea in Hawaii, 2 in MPEC 2010-W18 -- 2010 VF1, 2010 VE1
H062Robert Hutsebaut in Belgium via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-W18 -- 2004 SX
291Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2010-W18 -- 2001 PF14
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 22 November '10

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL at 2359 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 is 100 years from today and for NEODyS is usually the year 2090. Both also post impact solutions beyond 100 years for a few special objects.
For the latest official risk assessments, and for explanations of the terminology, see the JPL NEO Program Sentry and NEODyS CLOMON (backup) risk pages.





Notes for Today's Latest Risk Assessments
2010 VP139JPL Sentry21102012-21103552.3e-05-6.23-6.990JPL: "Analysis based on 12 observations spanning .04588 days (2010-Nov-14.27911 to 2010-Nov-14.32499)." Diameter approximately 0.007 km. from mean, weighted H=28.6.

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

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 22 November '10

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

2110Noted that JPL Sentry has posted 2010 VP139 as an impact risk - see above
1635Grabbed MPEC 2010-W18 - Daily Orbit Update - see above