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Contents  on 26 August '07

Resources:

The latest news: framed access (best), RSS news feed (flags updates), or redirection - Note: A/CC has a main Web site and a backup site.

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 this year 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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Minor-Object News  on 26 August '07

There is no news to report yet today (none found or none prepared).

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Minor-Object Science  on 26 August '07

No science papers are known or prepared yet today.

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NEOCP Activity  on 26 August '07

The MPC's NEO Confirmation Page has 5 listings: 3 new, 2 updated

When last checked at 1757 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had three new and two updated listings. Of these, four were "one nighters."

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

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New MPECs  on 26 August '07

Minor Planet Electronic Circulars

As of last check at 1754 UTC, there have been six MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2007-Q28 - "15:21 UT" - Observations of Comets


MPEC 2007-Q27 - "15:15 UT" - Comet C/2007 N3 (Lulin)


MPEC 2007-Q26 - "15:11 UT" - Comet P/2007 N1 (McNaught)


MPEC 2007-Q25 - "15:05 UT" - Comet C/2007 M3 (LINEAR)


MPEC 2007-Q24 - "14:58 UT" - Comet C/2007 M1 (McNaught)


<< DOU on 26 Aug. '07 >>  MPEC 2007-Q23 - "06:11 UT" - Daily Orbit Update

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Observers  on 26 August '07

A total of 49 observing facilities appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 8 in MPECs 2007-Q25 & 2007-Q28 -- C/2007 O1, C/2007 M3, C/2007 G1, C/2006 U6, C/2005 S4, 189P, 125P, 44P
J51Atlante Obs. in the Canary Islands, 3 in MPEC 2007-Q28 -- P/2007 H1, C/2006 OF2, 93P
A74Bergen-Enkheim Obs. in Germany, 1 in MPEC 2007-Q23 -- 2002 RC118
215Buchloe Obs. in Germany, 1 in MPEC 2007-Q28 -- 44P
J79Calarreona Obs. in Spain, 1 in MPEC 2007-Q28 -- C/2007 G1
B09Capannoli Obs. in Italy, 1 in MPEC 2007-Q23 -- 2007 PF28
A77Chante-Perdrix Obs. in France, 2 in MPEC 2007-Q28 -- C/2005 S4, 8P
151Eschenberg Obs. in Switzerland, 10 in MPEC 2007-Q23 -- 2007 PU11, 2007 PF28, 2007 LR32, 2007 HE15, 2007 DT103, 2003 EF54, 2002 NN4, 2001 QC34, 1999 JU3, 1999 FA
372Geisei Obs. in Japan, 6 in MPECs 2007-Q25, 2007-Q27 & 2007-Q28 -- C/2007 O1, C/2007 N3, C/2007 M3, C/2007 G1, 93P, 46P
J95Great Shefford Obs. in England, 2 in MPEC 2007-Q23 -- 2007 PV27, 2007 PF28
A17Guidestar Obs. in Germany, 3 in MPEC 2007-Q23 -- 2007 QE3, 2007 PP9, 2002 RC118
379Hamamatsu-Yuto Obs. in Japan, 4 in MPECs 2007-Q23 & 2007-Q28 -- 2007 PF28, 2007 LR32, C/2006 OF2, C/2005 L3
D88Hiratsuka Obs., 1 in MPEC 2007-Q28 -- C/2006 U6
585Kiev Comet Station in the Ukraine, 4 in MPECs 2007-Q24, 2007-Q25, 2007-Q26 & 2007-Q27 -- C/2007 N3, P/2007 N1, C/2007 M3, C/2007 M1
046Klet Obs. in the Czech Republic, 1 in MPEC 2007-Q27 -- C/2007 N3
704LINEAR in New Mexico, 1 in MPEC 2007-Q26 -- P/2007 N1
699LONEOS in Arizona, 1 in MPEC 2007-Q28 -- C/2006 OF2
J76La Murta Obs. in Spain, 1 in MPEC 2007-Q28 -- C/2005 L3
A01Masia Cal Maciarol Modul 1, 5 in MPEC 2007-Q28 -- P/2007 H1, C/2007 G1, C/2006 OF2, C/2005 L3, 17P
A02Masia Cal Maciarol Modul 8, 3 in MPECs 2007-Q27 & 2007-Q28 -- C/2007 N3, P/2007 H1, C/2006 OF2
232Masquefa Obs. in Spain, 4 in MPECs 2007-Q25 & 2007-Q28 -- C/2007 M3, C/2007 G1, C/2006 OF2, C/2005 L3
118Modra Obs. in Slovakia, 1 in MPEC 2007-Q28 -- C/2007 JA21
J46Montana Blanca Obs. in the Canary Islands, 1 in MPEC 2007-Q28 -- C/2005 L3
J45Montana Cabreja Obs. in the Canary Islands, 2 in MPEC 2007-Q28 -- C/2006 OF2, C/2005 L3
213Montcabre Obs. in Spain, 9 in MPECs 2007-Q25, 2007-Q26, 2007-Q27 & 2007-Q28 -- C/2007 N3, P/2007 N1, C/2007 M3, P/2007 H1, C/2007 G1, C/2006 OF2, 189P, 17P, 8P
945Monte Deva Obs., 2 in MPEC 2007-Q28 -- P/2007 H1, C/2006 OF2
900Moriyama Obs., 1 in MPEC 2007-Q28 -- C/2006 U6
D81Nagano Obs., 1 in MPEC 2007-Q28 -- C/2006 OF2
J47Nazaret Obs. in Spain, 4 in MPEC 2007-Q28 -- P/2007 H1, C/2006 OF2, 189P, 17P
A24New Millennium Obs. in Italy, 4 in MPECs 2007-Q25 & 2007-Q28 -- C/2007 M3, C/2007 G1, C/2005 L3, 189P
423North Ryde Obs. in New South Wales, 1 in MPEC 2007-Q28 -- C/2007 K6
J53Posadas Obs. in Spain, 5 in MPECs 2007-Q25 & 2007-Q28 -- C/2007 M3, P/2007 H1, C/2007 G1, C/2006 OF2, C/2005 L3
D29Purple Mtn. Obs. XuYi Station in China, 1 in MPEC 2007-Q23 -- 2007 DK8
H06RAS Obs. Mayhill in New Mexico, 1 in MPEC 2007-Q28 -- 17P
H68Red Barn Obs. in Georgia, 1 in MPEC 2007-Q25 -- C/2007 M3
473Remanzacco Obs. in Italy, 4 in MPECs 2007-Q23, 2007-Q25, 2007-Q27 & 2007-Q28 -- C/2007 N3, C/2007 M3, 2007 LR32, C/2005 L3
J49Santa Pola Obs. in Spain, 1 in MPEC 2007-Q28 -- C/2005 L3
204Schiaparelli Obs. in Italy, 6 in MPEC 2007-Q28 -- C/2007 JA21, C/2006 U6, C/2005 L3, C/2004 B1, 125P, 44P
E12Siding Spring Survey in New South Wales, 2 in MPEC 2007-Q28 -- C/2007 K6, 46P
510Siegen Obs. in Germany, 5 in MPECs 2007-Q23 & 2007-Q28 -- 2007 PF28, P/2007 H1, C/2007 G1, 86324, 93P
071Smolyan Obs. in Bulgaria, 4 in MPEC 2007-Q28 -- P/2007 H1, C/2007 G1, C/2006 OF2, C/2005 L3
A97Stammersdorf Obs. in Austria, 1 in MPEC 2007-Q23 -- 2007 PF28
A78Stia Obs. in Italy, 1 in MPEC 2007-Q23 -- 2007 QA2
147Suno Obs. in Italy, 1 in MPEC 2007-Q27 -- C/2007 N3
673Table Mtn. Obs. in southern California, 1 in MPEC 2007-Q27 -- C/2007 N3
F85Tiki Obs. in Tahiti, 1 in MPEC 2007-Q23 -- 2007 PQ9
A48Verona Obs. in Italy, 1 in MPEC 2007-Q23 -- 2007 PF28
B42Vitebsk Obs. in Belarus, 4 in MPEC 2007-Q28 -- P/2007 H1, C/2007 G1, C/2006 OF2, 189P
A79Zvezdno Obshtestvo Obs. in Bulgaria, 2 in MPECs 2007-Q24 & 2007-Q25 -- C/2007 M3, C/2007 M1

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Impact Risk Monitoring  on 26 August '07

Summary Risk Table for Risk Assessments Updated Today   (last checks: JPL at 1755 and NEODyS at 1756 UTC)
See the CRT page for a list of all objects rated recently as risks.
Note that the time horizon for JPL is 100 years from today and for NEODyS is now usually the year 2090.
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
2007 PV27JPL14272043-208283.2e-07-4.14-4.520JPL: "Analysis based on 41 observations spanning 11.348 days (2007-Aug-14.56587 to 2007-Aug-25.91343)." Diameter approximately 0.280 km. from mean, weighted H=20.4.
NEODyS14272043-2082144.42e-07-4.04-4.760NEODyS: "Based on 41 optical observations (of which 0 are rejected as outliers) from 2007/08/14.567 to 2007/08/25.914."

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 an 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" for more about this.

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Chronology  on 26 August '07

Times are UTC for when the items were noted or added by Major News.

1755Grabbed MPEC 2007-Q25 - Comet C/2007 M3 (LINEAR) - see above
Grabbed MPEC 2007-Q28 - Observations of Comets - see above
1754Grabbed MPEC 2007-Q24 - Comet C/2007 M1 (McNaught) - see above
Grabbed MPEC 2007-Q26 - Comet P/2007 N1 (McNaught) - see above
Grabbed MPEC 2007-Q27 - Comet C/2007 N3 (Lulin) - see above
1427Noted that NEODyS has updated its 2007 PV27 risk assessment - see above
1426Grabbed MPEC 2007-Q23 - Daily Orbit Update - see above
Noted that JPL has updated its 2007 PV27 risk assessment - see above