Contents  on 10 May '09

Resources:

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 10 May '09

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 2358 UTC). It was last noted active on May 7th.

New MPECs  on 10 May '09

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 10 May '09 >>  MPEC 2009-J41 - "06:06 UT" - Daily Orbit Update

Observers  on 10 May '09

Seven observing facilities appear in today's MPEC.

CodeObserver / observatory
H55Astronomical Research Obs. (ARO) in Illinois, 15 in MPEC 2009-J41 -- 2009 JR, 2009 JM1, 2009 HG60, 2009 HD21, 2009 HB, 2009 FU4, 2009 FU23, 2009 DE47, 2008 WL60, 2008 SV11, 2008 JV19, 2008 EV5, 2007 BT2, 2000 FL1, 1990 UA
448Desert Moon Obs. in New Mexico, 3 in MPEC 2009-J41 -- 2009 HC82, 2009 FU4, 155334
J95Great Shefford Obs. in England, 3 in MPEC 2009-J41 -- 2009 JR, 2009 JM1, 2009 HU58
204Schiaparelli Obs. in Italy, 6 in MPEC 2009-J41 -- 2009 HV44, 2009 HK73, 2009 HG60, 175706, 143651, 5693
B40Skylive Obs. in Italy, 6 in MPEC 2009-J41 -- 2009 HV44, 2004 FM17, 85989, 159399, 15745, 14402
291Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2009-J41 -- 2009 HV58
A78Stia Obs. in Italy, 2 in MPEC 2009-J41 -- 2009 JR, 2009 CQ1
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 10 May '09

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL 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 is 100 years from today and for NEODyS is usually the year 2090. Beginning Jan. 22nd, both are also posting impact solutions beyond 100 years for a few 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.
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
2009 HV58JPL Sentry1450R E M O V E DJPL: Risk listing removed at 0850 UTC.
NEODyS1450R E M O V E D-

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 10 May '09

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

1450Noted that JPL Sentry has removed 2009 HV58 as an impact risk - see above
Noted that NEODyS has removed 2009 HV58 as an impact risk - see above
Grabbed MPEC 2009-J41 - Daily Orbit Update - see above