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Contents  on 7 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.

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Radar Astrometry  on 7 August '10

Radar observation of one object

The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:


Data update noted at 0102 UTC when the database was dated 6 Aug.

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NEOCP Activity  on 7 August '10

The MPC's NEO Confirmation Page has 8 listings: 4 new, 4 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had four new and four updated listings. Of these, three were "one nighters." So far The Tracking News has counted a total of nine listings on the NEOCP at some point today.

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New MPECs  on 7 August '10

Minor Planet Electronic Circulars

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


MPEC 2010-P38 - "20:37 UT" - 2010 OH126


MPEC 2010-P37 - "20:23 UT" - 2007 RN7


MPEC 2010-P36 - "20:16 UT" - 2008 VQ4


MPEC 2010-P35 - "20:13 UT" - 2008 UW5


MPEC 2010-P34 - "20:08 UT" - 2010 AK2


MPEC 2010-P33 - "16:16 UT" - Observations of Comets


<< DOU on 7 Aug. '10 >>  MPEC 2010-P32 - "06:10 UT" - Daily Orbit Update

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Observers  on 7 August '10

A total of 60 observing facilities appear in today's MPECs.

CodeObserver / observatory
251Arecibo in Puerto Rico, 1 in radar -- 2008 EV5
H21Astronomical Research Obs. Westfield in Illinois, 14 in MPECs 2010-P32, 2010-P34, 2010-P35, 2010-P36 & 2010-P37 -- 2010 PQ2, 2010 PP2, 2010 PO2, 2010 ON101, 2010 OL100, 2010 OB, 2010 NK1, 2010 MW1, 2010 MN51, 2010 AK2, 2008 VQ4, 2008 UW5, 2007 RN7, 2004 YG1
J51Atlante Obs. in the Canary Islands, 1 in MPEC 2010-P33 -- C/2008 FK75
I99Blanquita Obs. in Spain, 1 in MPEC 2010-P33 -- C/2006 S3
B96Brixiis Obs. in Belgium, 2 in MPEC 2010-P33 -- C/2008 FK75, 103P
215Buchloe Obs. in Germany, 1 in MPEC 2010-P33 -- C/2009 T3
235CAST Obs. in Italy, 2 in MPEC 2010-P33 -- C/2007 Q3-A, 103P
160Castelmartini Obs. in Italy, 18 in MPECs 2010-P32 & 2010-P33 -- 2010 PJ9, 2010 MF1, P/2010 J3, C/2010 J2, C/2010 G2, 2010 FO92, C/2009 UG89, C/2008 FK75, 2007 VG189, C/2007 Q3-A, C/2006 S3, C/2006 Q1, 2002 NE71, 236P, 126P, 103P, 81P, 10P
A77Chante-Perdrix Obs. in France, 4 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P
J01Cielo Profundo Obs. in Spain, 9 in MPEC 2010-P33 -- C/2010 J2, C/2009 UG89, C/2009 P2, C/2006 S3, C/2006 Q1, 237P, 236P, 103P, 10P
B11Cima Rest Obs. in Italy, 3 in MPEC 2010-P33 -- C/2009 T3, 236P, 103P
829Complejo Astronomico El Leoncito (CASLEO) in Argentina, 3 in MPEC 2010-P33 -- P/2010 A5, C/2009 P1, C/2009 K2
F654Jim Bedient in Hawaii via Faulkes Telescope North in Hawaii, 3 in MPEC 2010-P32 -- 2010 MR87, 2009 SU19, 2002 RT25
762Four Winds Obs. in Michigan, 2 in MPEC 2010-P33 -- C/2009 K5, 103P
157Frasso Sabino Obs. in Italy, 2 in MPEC 2010-P32 -- 2002 NE71, 189011
A17Guidestar Obs. in Germany, 1 in MPEC 2010-P32 -- 2002 NE71
D88Hiratsuka Obs. in Japan, 3 in MPEC 2010-P33 -- C/2008 FK75, C/2007 VO53, 81P
H15ISON-NM Obs. in New Mexico, 4 in MPECs 2010-P32 & 2010-P33 -- 2010 PQ2, C/2008 FK75, 126P, 103P
J28Jaen Obs. in Spain, 5 in MPECs 2010-P32 & 2010-P33 -- C/2009 UG89, C/2008 FK75, C/2007 Q3-A, 2002 OS4, 237442
415Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2010-P33 -- P/2010 A5
585Kiev Comet Station in the Ukraine, 1 in MPEC 2010-P33 -- 103P
C04Kramatorsk Obs., 1 in MPEC 2010-P33 -- 103P
704LINEAR in New Mexico, 15 in MPECs 2010-P32 & 2010-P33 -- 2010 PQ2, 2010 PO2, 2010 PL9, 2010 PK9, 2010 PJ9, C/2010 J2, 2008 OS9, 2007 ML13, 2000 AA6, 87311, 242211, 143381, 138404, 9202, 2202
J75La Sagra Obs. in Spain, 2 in MPEC 2010-P32 -- 2010 PP2, 141851
J38La Vara Obs. in Spain, 3 in MPEC 2010-P33 -- C/2006 S3, 103P, 10P
B33Libbiano Obs. in Italy, 2 in MPECs 2010-P32 & 2010-P33 -- 2010 PJ9, 103P
J59Linceo Obs. in Spain, 3 in MPEC 2010-P33 -- C/2006 S3, 65P, 10P
844Los Molinos Obs. in Uruguay, 2 in MPEC 2010-P33 -- C/2009 P1, 10P
B82Maidbronn Obs. in Germany, 3 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 Q1
C10Maisoncelles Obs. in France, 4 in MPEC 2010-P33 -- C/2009 P2, C/2006 S3, C/2006 Q1, 103P
B90Malina River Obs. in Italy, 1 in MPEC 2010-P33 -- 103P
232Masquefa Obs. in Spain, 4 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 81P
568Mauna Kea in Hawaii, 1 in MPEC 2010-P33 -- P/2010 N1
118Modra Obs. in Slovakia, 4 in MPEC 2010-P33 -- C/2010 J2, C/2010 G3, C/2010 G2, C/2007 Q3-A
213Montcabre Obs. in Spain, 6 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 65P, 10P
945Monte Deva Obs. in Spain, 5 in MPEC 2010-P33 -- C/2009 K5, C/2008 FK75, C/2007 Q3-A, 81P, 10P
B06Montseny Obs. in Spain, 3 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3
900Moriyama Obs. in Japan, 6 in MPEC 2010-P33 -- C/2010 G3, C/2009 P2, C/2009 P1, C/2007 Q3-A, C/2006 S3, 103P
A24New Millennium Obs. in Italy, 4 in MPEC 2010-P33 -- C/2008 FK75, C/2007 VO53, C/2007 Q3-A, C/2006 S3
D92Osaki Obs. in Japan, 2 in MPEC 2010-P33 -- C/2008 FK75, C/2006 Q1
C27Pallerols Obs., 1 in MPEC 2010-P32 -- 243025
J53Posadas Obs. in Spain, 4 in MPEC 2010-P33 -- C/2010 J2, C/2008 FK75, C/2007 Q3-A, C/2006 S3
H06RAS Obs. Mayhill in New Mexico, 5 in MPEC 2010-P33 -- P/2010 J3, C/2010 J2, C/2007 VO53, C/2007 Q3-A, 103P
D90RAS Obs. Moorook in South Australia, 2 in MPEC 2010-P33 -- P/2010 N1, C/2009 P1
473Remanzacco Obs. in Italy, 2 in MPEC 2010-P33 -- C/2008 FK75, 103P
939Rodeno Obs. in Spain, 6 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 81P, 10P
C09Rouet Obs. in France, 5 in MPEC 2010-P33 -- C/2008 FK75, C/2007 Q3-A, C/2006 S3, C/2006 Q1, 10P
204Schiaparelli Obs. in Italy, 3 in MPEC 2010-P33 -- C/2009 P2, C/2009 K2, 237P
D21Shenton Park Obs. in Western Australia, 2 in MPEC 2010-P32 -- 2010 PM9, 2010 NR1
E12Siding Spring Survey in New South Wales, 1 in MPEC 2010-P38 -- 2010 OH126
G68Sierra Stars Obs. in northern California, 1 in MPEC 2010-P33 -- 103P
691Spacewatch 0.9m telescope in Arizona, 2 in MPEC 2010-P32 -- 2010 OF101, 2010 EX119
291Spacewatch 1.8m telescope in Arizona, 2 in MPEC 2010-P32 -- 2010 OB101, 2007 BG49
A71Stixendorf Obs. in Austria, 1 in MPEC 2010-P33 -- 103P
H53Thompsonville Obs. in Illinois, 2 in MPECs 2010-P32 & 2010-P33 -- C/2008 FK75, 4055
H47Vicksburg Obs. in Mississippi, 1 in MPEC 2010-P33 -- 103P
C51WISE in Earth polar orbit, 7 in MPECs 2010-P32, 2010-P33 & 2010-P38 -- 2010 OH126, 2010 LE15, C/2010 G2, 2008 EM9, 2004 JX20, 55408, 241596
198Wildberg Obs. in Germany, 1 in MPEC 2010-P33 -- C/2009 P2
I15Wishing Star Obs. in Rhode Island, 6 in MPEC 2010-P32 -- 2010 ON101, 2009 CQ5, 2002 NE71, 243566, 241370, 1865
367Yatsuka Obs. in Japan, 6 in MPEC 2010-P33 -- C/2009 K5, C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 65P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

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Impact Risk Monitoring  on 7 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 PM9NEODyS14332044-206327.69e-11-7.09-7.310NEODyS: "Based on 10 optical observations (of which 0 are rejected as outliers) from 2010/08/05.396 to 2010/08/06.889."
JPL Sentry1433R E M O V E DJPL #2 for the day: Risk listing removed at 0952 UTC.
2010 OH126JPL Sentry23582046-207721.9e-09-6.56-6.580JPL: "Analysis based on 13 observations spanning 6.2947 days (2010-Jul-31.5179 to 2010-Aug-06.81259)." Diameter approximately 0.220 km. from mean, weighted H=21.0.

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.

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Chronology  on 7 August '10

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

2358Noted that JPL Sentry has posted 2010 OH126 as an impact risk - see above
2244Grabbed MPEC 2010-P34 - 2010 AK2 - see above
Grabbed MPEC 2010-P35 - 2008 UW5 - see above
Grabbed MPEC 2010-P36 - 2008 VQ4 - see above
Grabbed MPEC 2010-P37 - 2007 RN7 - see above
Grabbed MPEC 2010-P38 - 2010 OH126 - see above
1723Grabbed MPEC 2010-P33 - Observations of Comets - see above
1436Grabbed MPEC 2010-P32 - Daily Orbit Update - see above
1433Noted that JPL Sentry has removed 2010 PM9 as an impact risk - see above
Noted that NEODyS has posted 2010 PM9 as an impact risk - see above
0102Noted that JPL Sentry has posted 2010 PM9 as an impact risk - see above
Noted Radar Astrometry database update - see above