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Contents  on 5 September '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.

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NEOCP Activity  on 5 September '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 September 3rd.

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New MPECs  on 5 September '09

Minor Planet Electronic Circulars

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


MPEC 2009-R23 - "15:48 UT" - Observations of Comets


MPEC 2009-R22 - "15:07 UT" - Comet P/2009 Q5 (McNaught)


MPEC 2009-R21 - "15:02 UT" - Comet C/2009 Q4 (Boattini)


MPEC 2009-R20 - "14:56 UT" - Comet P/2009 Q1 (Hill)


MPEC 2009-R19 - "14:53 UT" - Comet C/2009 P2 (Boattini)


MPEC 2009-R18 - "14:49 UT" - Comet C/2009 P1 (Garradd)


MPEC 2009-R17 - "14:45 UT" - Comet C/2009 O4 (Hill)


MPEC 2009-R16 - "14:41 UT" - Comet P/2009 O3 (Hill)


MPEC 2009-R15 - "14:37 UT" - Comet C/2009 O2 (Catalina)


<< DOU on 5 Sept. '09 >>  MPEC 2009-R14 - "06:05 UT" - Daily Orbit Update

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Observers  on 5 September '09

A total of 58 observing facilities appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 4 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, C/2008 Q3, C/2007 U1, 217P
J97Alginet Obs. in Spain, 5 in MPEC 2009-R23 -- C/2009 K2, C/2008 P1, C/2008 N1, C/2006 W3, C/2006 Q1
H55Astronomical Research Obs. (ARO) in Illinois, 18 in MPEC 2009-R14 -- 2009 QT, 2009 QR8, 2009 QN5, 2009 QL32, 2009 QH34, 2009 QH2, 2009 QG34, 2009 QF31, 2009 QE34, 2009 QD34, 2009 QC36, 2009 QC35, 2009 QC23, 2009 QB36, 2009 QB35, 2009 PH, 2009 OZ7, 2009 NA
J51Atlante Obs. in the Canary Islands, 3 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, C/2006 W3, 217P
I32Beta Orionis Obs. in Argentina, 2 in MPEC 2009-R23 -- C/2009 K5, 22P
J05Bootes Obs. in Spain, 6 in MPECs 2009-R14 & 2009-R23 -- 2009 KC3, C/2007 U1, C/2007 N3, 217P, 203P, 22P
B96Brixiis Obs. in Belgium, 3 in MPECs 2009-R19 & 2009-R23 -- C/2009 P2, P/2009 L2, C/2006 W3
215Buchloe Obs. in Germany, 7 in MPECs 2009-R20 & 2009-R23 -- P/2009 Q1, C/2007 N3, 222P, 217P, 203P, 169P, 81P
160Castelmartini Obs. in Italy, 1 in MPEC 2009-R23 -- C/2009 K2
703Catalina Sky Survey (CSS) in Arizona, 2 in MPECs 2009-R14 & 2009-R23 -- 2009 QZ6, C/2007 U1
A77Chante-Perdrix Obs. in France, 1 in MPEC 2009-R23 -- 169P
106Crni Vrh Obs. in Slovenia, 1 in MPEC 2009-R23 -- 217P
I21El Condor Obs. in Argentina, 1 in MPEC 2009-R23 -- C/2007 B2
J27El Guijo Obs. in Spain, 1 in MPEC 2009-R14 -- 2002 NW16
E85Farm Cove Obs. in New Zealand, 3 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, C/2009 K5, 186P
372Geisei Obs. in Japan, 4 in MPECs 2009-R19 & 2009-R23 -- C/2009 P2, C/2006 W3, 64P, 22P
E94Gisborne Obs. in New Zealand, 3 in MPECs 2009-R18, 2009-R22 & 2009-R23 -- P/2009 Q5, C/2009 P1, 199P
F59Ironwood Remote Obs. (IRO) in Hawaii, 4 in MPEC 2009-R23 -- C/2006 W3, C/2006 Q1, 217P, 22P
415Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2009-R23 -- 209P
585Kiev Comet Station in the Ukraine, 7 in MPECs 2009-R15, 2009-R16, 2009-R17, 2009-R19, 2009-R20 & 2009-R23 -- P/2009 Q1, C/2009 P2, C/2009 O4, P/2009 O3, C/2009 O2, 43P, 22P
6951Marc W. Buie via Kitt Peak Natl. Obs. in Arizona, 1 in MPEC 2009-R14 -- 2009 QE8
704LINEAR in New Mexico, 2 in MPECs 2009-R20 & 2009-R23 -- P/2009 Q1, C/2006 Q1
212La Dehesilla Obs. in Spain, 17 in MPECs 2009-R15 & 2009-R23 -- C/2009 O2, P/2009 L2, C/2009 K2, C/2008 P1, C/2008 N1, C/2008 FK75, C/2007 U1, C/2007 N3, C/2006 W3, C/2006 S3, C/2006 Q1, 217P, 169P, 157P, 64P, 43P, 22P
J38La Vara Obs. in Spain, 7 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, P/2009 L2, C/2008 P1, C/2006 W3, C/2006 Q1, C/2005 L3, 22P
J59Linceo Obs. in Spain, 2 in MPEC 2009-R23 -- C/2006 W3, 22P
844Los Molinos Obs. in Uruguay, 1 in MPEC 2009-R23 -- C/2007 B2
130Lumezzane Obs. in Italy, 1 in MPEC 2009-R23 -- 217P
560Madonna di Dossobuono Obs. in Italy, 1 in MPEC 2009-R14 -- 217796
A01Masia Cal Maciarol Modul 1 in Spain, 1 in MPEC 2009-R23 -- C/2006 W3
118Modra Obs. in Slovakia, 3 in MPECs 2009-R16 & 2009-R23 -- P/2009 O3, C/2009 K2, C/2008 N1
J45Montana Cabreja Obs. in the Canary Islands, 1 in MPEC 2009-R23 -- 22P
213Montcabre Obs. in Spain, 1 in MPEC 2009-R23 -- C/2006 W3
945Monte Deva Obs. in Spain, 7 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, C/2008 P1, C/2006 W3, C/2006 Q1, C/2005 L3, 217P, 22P
900Moriyama Obs. in Japan, 12 in MPECs 2009-R16, 2009-R17, 2009-R19, 2009-R22 & 2009-R23 -- P/2009 Q5, C/2009 P2, C/2009 O4, P/2009 O3, P/2009 L2, C/2008 Q3, C/2008 N1, C/2007 U1, C/2006 S3, 217P, 88P, 22P
D81Nagano Obs. in Japan, 2 in MPEC 2009-R23 -- C/2006 W3, C/2006 Q1
J47Nazaret Obs. in Spain, 6 in MPECs 2009-R19 & 2009-R23 -- C/2009 P2, C/2009 K2, C/2006 W3, C/2006 S3, C/2006 Q1, 22P
423North Ryde Obs. in New South Wales, 1 in MPEC 2009-R18 -- C/2009 P1
A32Panker Obs. in Germany, 6 in MPEC 2009-R23 -- P/2009 L2, C/2008 N1, C/2006 W3, C/2006 S3, 43P, 22P
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 6 in MPECs 2009-R16, 2009-R17, 2009-R19, 2009-R20 & 2009-R23 -- P/2009 Q1, C/2009 P2, C/2009 O4, P/2009 O3, C/2008 P1, 22P
H06RAS Obs. Mayhill in New Mexico, 8 in MPECs 2009-R20, 2009-R21, 2009-R22 & 2009-R23 -- P/2009 Q5, C/2009 Q4, P/2009 Q1, C/2007 N3, C/2006 S3, 217P, 81P, 64P
D90RAS Obs. Moorook in South Australia, 2 in MPECs 2009-R18 & 2009-R23 -- C/2009 P1, 199P
473Remanzacco Obs. in Italy, 2 in MPECs 2009-R19 & 2009-R23 -- C/2009 P2, C/2006 W3
B74Santa Maria de Montmagastrell Obs. in Spain, 8 in MPECs 2009-R17 & 2009-R23 -- C/2009 O4, C/2008 P1, C/2008 N1, C/2008 FK75, C/2006 W3, C/2006 Q1, 217P, 22P
204Schiaparelli Obs. in Italy, 10 in MPECs 2009-R16 & 2009-R23 -- P/2009 O3, C/2008 P1, P/2008 O2, C/2007 U1, C/2007 N3, C/2006 S3, 222P, 157P, 64P, 22P
E12Siding Spring Survey (SSS) in New South Wales, 6 in MPEC 2009-R23 -- C/2007 B2, 222P, 217P, 209P, 199P, 186P
B40Skylive Obs. in Italy, 1 in MPEC 2009-R23 -- 217P
691Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2009-R14 -- 2009 QY33
A97Stammersdorf Obs. in Austria, 1 in MPEC 2009-R23 -- C/2006 W3
A71Stixendorf Obs. in Austria, 10 in MPECs 2009-R16, 2009-R17, 2009-R20, 2009-R21 & 2009-R23 -- C/2009 Q4, P/2009 Q1, C/2009 O4, P/2009 O3, C/2006 S3, 222P, 217P, 118P, 64P, 22P
J35Tucci Obs. in Spain, 2 in MPEC 2009-R23 -- C/2006 W3, 22P
H10Tzec Maun Obs. Mayhill in New Mexico, 3 in MPEC 2009-R23 -- C/2006 W3, 217P, 22P
D25Tzec Maun Obs. Pingelly in Western Australia, 4 in MPECs 2009-R17, 2009-R22 & 2009-R23 -- P/2009 Q5, C/2009 O4, 217P, 22P
A92Urseanu Obs. in Romania, 2 in MPEC 2009-R14 -- 17274, 433
A48Verona Obs. in Italy, 1 in MPEC 2009-R14 -- 1998 SV4
H47Vicksburg Obs. in Mississippi, 7 in MPECs 2009-R17, 2009-R22 & 2009-R23 -- P/2009 Q5, C/2009 O4, C/2008 P1, C/2006 S3, 217P, 118P, 22P
B42Vitebsk Obs. in Belarus, 2 in MPEC 2009-R23 -- C/2009 K2, P/2008 O2
A60YSTAR-NEOPAT Sutherland in South Africa, 1 in MPEC 2009-R17 -- C/2009 O4
367Yatsuka Obs. in Japan, 4 in MPEC 2009-R23 -- C/2008 N1, C/2006 W3, C/2006 Q1, 88P
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 5 September '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 QB35NEODyS1531R 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.

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Chronology  on 5 September '09

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

1604Grabbed MPEC 2009-R23 - Observations of Comets - see above
1531Noted that NEODyS has removed 2009 QB35 as an impact risk - see above
Grabbed MPEC 2009-R14 - Daily Orbit Update - see above
Grabbed MPEC 2009-R15 - Comet C/2009 O2 (Catalina) - see above
Grabbed MPEC 2009-R16 - Comet P/2009 O3 (Hill) - see above
Grabbed MPEC 2009-R17 - Comet C/2009 O4 (Hill) - see above
Grabbed MPEC 2009-R18 - Comet C/2009 P1 (Garradd) - see above
Grabbed MPEC 2009-R19 - Comet C/2009 P2 (Boattini) - see above
Grabbed MPEC 2009-R20 - Comet P/2009 Q1 (Hill) - see above
Grabbed MPEC 2009-R21 - Comet C/2009 Q4 (Boattini) - see above
Grabbed MPEC 2009-R22 - Comet P/2009 Q5 (McNaught) - see above