Earth-Moon system from Messenger spacecraft 
6 May 2010. Credit NASA/JHUAL/CIW.

No Vulcanoids yet, the Messenger mission reported yesterday. The spacecraft, which launched six years ago and goes into orbit around Mercury next March, has been engaged in a multi-perihelion campaign to find a theoretical population of asteroids between Mercury and the Sun. See more info here. This May 6th image of the Earth-Moon system comes from that search. Credit NASA/JHUAL/CIW (NASA, Johns Hopkins Univ. Applied Physics Laboratory, and Carnegie Inst. of Washington).


Contents  on 18 August '10

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 18 August '10

The MPC's NEO Confirmation Page has 1 listing: 1 new

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had one new listing. This was a "one nighter." So far The Tracking News has counted a total of five listings on the NEOCP at some point 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 18 August '10

Minor Planet Electronic Circulars

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


MPEC 2010-Q11 - "16:06 UT" - 2010 PU75


<< DOU on 18 Aug. '10 >>  MPEC 2010-Q10 - "06:12 UT" - Daily Orbit Update


MPEC 2010-Q09 - "01:00 UT" - Observations of Comets

Observers  on 18 August '10

A total of 66 observing facilities appear in today's MPECs.

CodeObserver / observatory
834AAAA Buenos Aires Obs. in Argentina, 1 in MPEC 2010-Q09 -- C/2006 W3
349Ageo Obs. in Japan, 11 in MPEC 2010-Q09 -- C/2010 J2, P/2010 A5, C/2009 UG89, C/2009 P2, C/2009 P1, C/2008 S3, C/2008 FK75, 116P, 103P, 65P, 10P
H21Astronomical Research Obs. Westfield in Illinois, 14 in MPEC 2010-Q10 -- 2010 PY22, 2010 PS65, 2010 PQ2, 2010 PO2, 2010 PM9, 2010 PM10, 2010 PL9, 2010 PD57, 2010 OC101, 2010 NK1, 2010 MF1, 2010 DJ56, 2006 UP, 2003 YO3
J51Atlante Obs. in the Canary Islands, 1 in MPEC 2010-Q09 -- 103P
B75Betelgeuse Station in Italy, 2 in MPEC 2010-Q09 -- C/2008 FK75, 103P
B59Borken Obs. in Germany, 1 in MPEC 2010-Q09 -- 103P
215Buchloe Obs. in Germany, 8 in MPEC 2010-Q09 -- P/2010 J3, C/2010 G3, C/2010 G2, C/2007 VO53, C/2007 Q3-A, C/2006 Q1, 103P, 81P
235CAST Obs. in Italy, 4 in MPEC 2010-Q09 -- P/2010 A5, C/2008 FK75, C/2006 S3, 103P
J96Cantabria Obs. in Spain, 1 in MPEC 2010-Q09 -- 103P
B09Capannoli Obs. in Italy, 1 in MPEC 2010-Q09 -- 103P
B20Carmelita Obs. in Spain, 1 in MPEC 2010-Q09 -- C/2008 FK75
B66Casasco Obs. in Italy, 2 in MPEC 2010-Q09 -- 103P, 10P
160Castelmartini Obs. in Italy, 12 in MPEC 2010-Q09 -- P/2010 J3, C/2010 J2, C/2009 P2, C/2008 FK75, C/2007 Q3-A, C/2006 S3, 236P, 223P, 219P, 103P, 81P, 10P
107Cavezzo Obs. in Italy, 2 in MPEC 2010-Q09 -- C/2007 Q3-A, 103P
A77Chante-Perdrix Obs. in France, 6 in MPEC 2010-Q09 -- P/2010 J3, C/2010 G3, C/2009 P1, C/2009 K5, 103P, 10P
J01Cielo Profundo Obs. in Spain, 4 in MPEC 2010-Q09 -- C/2009 P2, C/2006 S3, 103P, 10P
B11Cima Rest Obs. in Italy, 2 in MPEC 2010-Q09 -- C/2008 S3, C/2008 P1
106Crni Vrh Obs. in Slovenia, 2 in MPECs 2010-Q09 & 2010-Q10 -- 7336, 103P
762Four Winds Obs. in Michigan, 2 in MPEC 2010-Q09 -- C/2009 K5, 103P
203GiaGa Obs. in Italy, 2 in MPEC 2010-Q09 -- C/2008 FK75, C/2006 S3
J95Great Shefford Obs. in England, 1 in MPEC 2010-Q10 -- 2010 CB55
017Hoher List Obs. in Belgium, 3 in MPEC 2010-Q09 -- C/2009 Y1, C/2009 K5, C/2007 Q3-A
J39Ingenio Obs. in the Canary Islands, 2 in MPEC 2010-Q09 -- 103P, 65P
J28Jaen Obs. in Spain, 2 in MPEC 2010-Q09 -- C/2006 S3, 103P
415Kambah Obs. in the Australian Capital Territory, 3 in MPEC 2010-Q09 -- C/2009 F4, C/2006 W3, 65P
585Kiev Comet Station in the Ukraine, 1 in MPEC 2010-Q09 -- C/2008 FK75
400Kitami Obs. in Japan, 3 in MPEC 2010-Q09 -- C/2010 J2, C/2006 S3, 103P
D95Kurihara Obs. in Japan, 5 in MPEC 2010-Q09 -- C/2009 P1, C/2009 K5, C/2007 Q3-A, 81P, 10P
704LINEAR in New Mexico, 4 in MPEC 2010-Q09 -- C/2010 DG56, C/2008 S3, 219P, 116P
212La Dehesilla Obs. in Spain, 9 in MPEC 2010-Q09 -- C/2010 G2, C/2009 P2, C/2008 FK75, C/2007 Q3-A, C/2006 S3, C/2006 Q1, 103P, 65P, 10P
J38La Vara Obs. in Spain, 7 in MPEC 2010-Q09 -- C/2010 J2, C/2010 G2, C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 10P
304Las Campanas Obs. in Chile, 1 in MPEC 2010-Q11 -- 2010 PU75
B33Libbiano Obs. in Italy, 2 in MPEC 2010-Q09 -- C/2010 DG56, 103P
B82Maidbronn Obs. in Germany, 2 in MPEC 2010-Q09 -- C/2008 FK75, C/2007 Q3-A
C10Maisoncelles Obs. in France, 2 in MPEC 2010-Q09 -- 223P, 10P
A01Masia Cal Maciarol Modul 1 (MCM1) in Spain, 3 in MPEC 2010-Q09 -- C/2007 Q3-A, 103P, 10P
232Masquefa Obs. in Spain, 4 in MPEC 2010-Q09 -- C/2006 S3, 103P, 81P, 10P
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-Q10 -- 2010 NU1
118Modra Obs. in Slovakia, 2 in MPEC 2010-Q09 -- C/2009 UG89, C/2008 FK75
213Montcabre Obs. in Spain, 2 in MPEC 2010-Q09 -- C/2006 Q1, 103P
900Moriyama Obs. in Japan, 8 in MPEC 2010-Q09 -- C/2010 J2, P/2010 A5, C/2008 S3, C/2008 P1, C/2008 FK75, 81P, 65P, 10P
J93Mt. Tuffley Obs. in England, 3 in MPEC 2010-Q09 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3
C23Olmen Obs. in Belgium, 4 in MPEC 2010-Q09 -- C/2008 FK75, C/2007 Q3-A, 103P, 10P
D92Osaki Obs. in Japan, 1 in MPEC 2010-Q09 -- 103P
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 6 in MPECs 2010-Q09 & 2010-Q10 -- 2010 PY22, C/2009 P2, C/2006 S3, 2002 QY6, 2002 NE71, 103P
561Piszkesteto Sta. in Hungary, 4 in MPEC 2010-Q09 -- C/2009 P2, C/2008 S3, C/2008 P1, C/2008 FK75
J53Posadas Obs. in Spain, 5 in MPEC 2010-Q09 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 10P
H06RAS Obs. Mayhill in New Mexico, 2 in MPEC 2010-Q09 -- C/2010 DG56, 103P
D90RAS Obs. Moorook in South Australia, 1 in MPEC 2010-Q09 -- C/2006 W3
473Remanzacco Obs. in Italy, 1 in MPEC 2010-Q09 -- C/2009 UG89
I20Rio Cuarto Obs. in Argentina, 2 in MPEC 2010-Q09 -- 65P, 10P
939Rodeno Obs. in Spain, 5 in MPEC 2010-Q09 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 10P
B38Santa Mama Obs. in Italy, 4 in MPEC 2010-Q10 -- 2010 ON101, 2010 MF1, 2009 CQ5, 4055
B74Santa Maria de Montmagastrell Obs. in Spain, 3 in MPEC 2010-Q09 -- C/2007 VO53, C/2007 Q3-A, 81P
204Schiaparelli Obs. in Italy, 2 in MPECs 2010-Q09 & 2010-Q10 -- 2010 OC, C/2010 G3
D93Sendai Obs. in Japan, 8 in MPEC 2010-Q09 -- C/2009 P2, C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 81P, 65P, 10P
E12Siding Spring Survey (SSS) in New South Wales, 5 in MPEC 2010-Q10 -- 2010 PR10, 2010 PQ10, 2010 OQ1, 2010 OP1, 2010 OA
G68Sierra Stars Obs. in northern California, 1 in MPEC 2010-Q09 -- 103P
J26Spaceguard Centre in Wales, 2 in MPEC 2010-Q09 -- C/2008 FK75, C/2006 S3
691Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2010-Q09 -- 219P
A78Stia Obs. in Italy, 2 in MPEC 2010-Q10 -- 2010 MF1, 2010 FO92
A71Stixendorf Obs. in Austria, 7 in MPEC 2010-Q09 -- C/2009 Y1, C/2009 K5, C/2007 VO53, C/2007 Q3-A, 236P, 103P, 10P
B42Vitebsk Obs. in Belarus, 7 in MPEC 2010-Q09 -- C/2010 J2, C/2009 UG89, C/2008 P1, C/2008 FK75, C/2006 S3, 236P, 103P
C51WISE in Earth polar orbit, 4 in MPEC 2010-Q09 -- P/2010 J3, 223P, 149P, 130P
C28Wellinghofen Obs., 1 in MPEC 2010-Q09 -- 103P
367Yatsuka Obs. in Japan, 1 in MPEC 2010-Q09 -- C/2009 F4
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 18 August '10

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. 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.
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
2010 PS65JPL Sentry1500210214.8e-06-5.46-5.460JPL: "Analysis based on 32 observations spanning 3.9614 days (2010-Aug-13.29423 to 2010-Aug-17.255622)." Diameter approximately 0.041 km. from mean, weighted H=24.6.

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 18 August '10

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

1633Grabbed MPEC 2010-Q11 - 2010 PU75 - see above
Noted that the NEOCP has become active
1500Noted that JPL Sentry has updated its 2010 PS65 risk assessment - see above
Grabbed MPEC 2010-Q10 - Daily Orbit Update - see above
Noted that the NEOCP has become empty
0433Grabbed MPEC 2010-Q09 - Observations of Comets - see above