Contents  on 1 March '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 1 March '09

The MPC's NEO Confirmation Page has 8 listings: 1 new, 7 updated

When last checked at 2330 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had one new and seven updated listings. Of these, four were "one nighters." So far The Tracking News has counted a total of thirteen listings on the NEOCP at some point today.

New MPECs  on 1 March '09

Minor Planet Electronic Circulars

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


MPEC 2009-E09 - "23:32 UT" - 2009 EA


MPEC 2009-E08 - "23:28 UT" - 2009 DL46


MPEC 2009-E07 - "23:22 UT" - 2009 DJ46


MPEC 2009-E06 - "23:12 UT" - Observations of Comets


MPEC 2009-E05 - "22:54 UT" - Comet C/2009 B2 (LINEAR)


MPEC 2009-E04 - "22:50 UT" - Comet P/2008 Y1 (Boattini)


MPEC 2009-E03 - "17:19 UT" - 2009 DD45


MPEC 2009-E02 - "15:00 UT" - 2009 DD45


<< DOU on 1 Mar. '09 >>  MPEC 2009-E01 - "07:08 UT" - Daily Orbit Update

Observers  on 1 March '09

A total of 72 observing facilities appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 10 in MPECs 2009-E04 & 2009-E06 -- P/2008 Y1, P/2008 QP20, C/2007 U1, C/2007 N3, C/2006 OF2, 117P, 67P, 59P, 10P, 6P
B37Ametlla del Valles Obs. in Spain, 4 in MPEC 2009-E06 -- C/2007 N3, C/2007 D3, 113P, 19P
J20Aravaca Obs. in Spain, 3 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P
467Auckland Obs. in New Zealand, 1 in MPEC 2009-E06 -- C/2007 M2
215Buchloe Obs. in Germany, 34 in MPECs 2009-E04, 2009-E05 & 2009-E06 -- C/2009 B2, P/2008 Y2, P/2008 Y1, P/2008 WZ96, C/2008 T2, C/2008 S3, C/2008 R3, C/2008 E1, C/2007 U1, C/2007 N3, C/2007 D3, C/2006 W3, C/2006 U6, C/2006 Q1, C/2006 OF2, C/2006 K1, C/2005 L3, 212P, 210P, 204P, 144P, 116P, 88P, 77P, 74P, 67P, 65P, 61P, 59P, 33P, 29P, 19P, 17P, 16P
235CAST Obs. in Italy, 12 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, C/2005 L3, 144P, 116P, 77P, 74P, 67P, 65P, 59P, 29P
I77CEAMIG-REA in Brazil, 1 in MPEC 2009-E07 -- 2009 DJ46
J79Calarreona Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
B20Carmelita Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
703Catalina Sky Survey (CSS) in Arizona, 10 in MPECs 2009-E01, 2009-E06, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DO45, 2009 DL46, P/2008 Y2, P/2008 T4, C/2007 D3, 68350, 212P, 33P, 6P
A77Chante-Perdrix Obs. in France, 12 in MPEC 2009-E06 -- C/2007 N3, C/2007 D3, C/2006 OF2, C/2005 L3, 204P, 144P, 77P, 74P, 65P, 29P, 17P, 10P
850Cordell-Lorenz Obs. in Tennessee, 2 in MPEC 2009-E06 -- C/2006 OF2, 29P
B50Corner Obs. in Germany, 1 in MPEC 2009-E06 -- C/2007 N3
106Crni Vrh Obs. in Slovenia, 1 in MPEC 2009-E01 -- 2008 EE
448Desert Moon Obs. in New Mexico, 1 in MPEC 2009-E06 -- C/2007 N3
I21El Condor Obs. in Argentina, 1 in MPEC 2009-E06 -- C/2007 N3
J27El Guijo Obs. in Spain, 2 in MPEC 2009-E06 -- 116P, 33P
808El Leoncito Obs. in Argentina, 11 in MPECs 2009-E01 & 2009-E06 -- C/2007 M2, C/2006 U6, 2000 BL19, 85867, 18882, 187026, 161989, 14402, 3199, 1917, 1036
J19El Maestrat Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
B71El Vendrell Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
E85Farm Cove Obs. in New Zealand, 5 in MPECs 2009-E05 & 2009-E06 -- C/2009 B2, P/2008 Y2, C/2007 N3, 116P, 29P
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2009-E01 -- 2009 DO45
J95Great Shefford Obs. in England, 5 in MPECs 2009-E01, 2009-E07 & 2009-E09 -- 2009 EA, 2009 DV43, 2009 DS43, 2009 DO45, 2009 DJ46
E16Grove Creek Obs. in New South Wales, 1 in MPEC 2009-E06 -- C/2007 N3
442Gualba Obs. in Spain, 5 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 116P, 33P, 29P
A17Guidestar Obs. in Germany, 7 in MPECs 2009-E01 & 2009-E07 -- 2009 DV43, 2009 DO45, 2009 DM45, 2009 DJ46, 2006 SX217, 52768, 162080
379Hamamatsu-Yuto Obs. in Japan, 4 in MPEC 2009-E06 -- C/2006 OF2, 144P, 116P, 29P
240Herrenberg Obs. in Germany, 3 in MPEC 2009-E01 -- 2008 EE, 2002 CT11, 1994 AW1
F84Hibiscus Obs. in Tahiti, 1 in MPEC 2009-E02 -- 2009 DD45
857Iowa Robotic Observatory in Arizona, 1 in MPEC 2009-E06 -- 33P
415Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2009-E06 -- C/2007 M2
400Kitami Obs. in Japan, 3 in MPEC 2009-E06 -- P/2008 Y2, 77P, 65P
704LINEAR in New Mexico, 10 in MPECs 2009-E01, 2009-E05, 2009-E06 & 2009-E07 -- 2009 DV43, 2009 DJ46, C/2009 B2, P/2008 T4, P/2008 QP20, 52768, 210P, 183P, 81P, 61P
J31La Axarquia Obs. in Spain, 1 in MPEC 2009-E06 -- 74P
212La Dehesilla Obs. in Spain, 17 in MPEC 2009-E06 -- P/2008 Y2, C/2008 X3, C/2008 E1, C/2006 U6, C/2006 Q1, C/2006 OF2, C/2005 L3, 210P, 209P, 144P, 116P, 77P, 74P, 65P, 29P, 19P, 17P
J38La Vara Obs. in Spain, 12 in MPEC 2009-E06 -- C/2008 T2, C/2008 R3, C/2007 N3, C/2006 W3, C/2006 OF2, 144P, 116P, 74P, 67P, 33P, 29P, 17P
J59Linceo Obs. in Spain, 2 in MPEC 2009-E06 -- C/2007 N3, 116P
130Lumezzane Obs. in Italy, 2 in MPEC 2009-E06 -- 77P, 19P
H01Magdalena Ridge Obs. (MRO) in New Mexico, 7 in MPECs 2009-E01, 2009-E07, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DV42, 2009 DL46, 2009 DJ46, 2009 DC43, 2009 DB45, 2009 DA45
B82Maidbronn Obs. in Germany, 3 in MPEC 2009-E06 -- C/2008 T2, C/2006 W3, 144P
232Masquefa Obs. in Spain, 12 in MPEC 2009-E06 -- C/2007 N3, C/2006 Q1, C/2006 OF2, C/2005 L3, 210P, 209P, 144P, 116P, 77P, 74P, 65P, 33P
A06Mataro Obs. in Spain, 7 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, 144P, 116P, 74P, 29P, 19P
B73Mauren Valley Obs. in Germany, 3 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, 144P
213Montcabre Obs. in Spain, 6 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 116P, 33P, 29P, 17P
945Monte Deva Obs. in Spain, 8 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 65P, 29P
900Moriyama Obs. in Japan, 10 in MPEC 2009-E06 -- P/2008 Y2, C/2008 X3, C/2008 T2, C/2007 Q3, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 29P
G96Mt. Lemmon Survey (MLS) in Arizona, 5 in MPECs 2009-E01 & 2009-E06 -- C/2005 L3, 2001 DR8, 18109, 153958, 111253
A13Naef Obs. in Switzerland, 3 in MPEC 2009-E01 -- 2009 DO45, 99935, 8566
J47Nazaret Obs. in Spain, 3 in MPEC 2009-E06 -- C/2007 N3, 117P, 33P
A32Panker Obs. in Germany, 5 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P, 59P, 29P
473Remanzacco Obs. in Italy, 2 in MPECs 2009-E06 & 2009-E07 -- 2009 DJ46, 29P
939Rodeno Obs. in Spain, 9 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 67P, 33P, 29P
461SZTE Asteroid Program (SZTE) in Hungary, 2 in MPEC 2009-E06 -- C/2007 N3, 166P
854Sabino Canyon Obs. in Arizona, 3 in MPECs 2009-E07, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DL46, 2009 DJ46
233San Vito Obs. in Italy, 2 in MPEC 2009-E06 -- C/2006 OF2, 144P
H36Sandlot Obs. in Kansas, 1 in MPEC 2009-E07 -- 2009 DJ46
B74Santa Maria de Montmagastrell Obs. in Spain, 6 in MPEC 2009-E06 -- C/2008 T2, C/2007 Q3, 144P, 116P, 33P, 29P
204Schiaparelli Obs. in Italy, 16 in MPEC 2009-E06 -- P/2008 WZ96, C/2008 S3, C/2007 D3, C/2006 U6, 212P, 204P, 203P, 179P, 147P, 116P, 74P, 33P, 17P, 16P, 10P, 6P
E12Siding Spring Survey (SSS) in New South Wales, 8 in MPECs 2009-E01, 2009-E02 & 2009-E03 -- 2009 DH39, 2009 DD45, 2009 CT, 2009 CC3, 2009 BJ81, 2009 AM15, 89958, 18172
510Siegen Obs. in Germany, 5 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P, 116P, 29P
B40Skylive Obs. in Italy, 1 in MPEC 2009-E06 -- 144P
071Smolyan Obs. in Bulgaria, 5 in MPEC 2009-E06 -- C/2006 OF2, C/2005 L3, 144P, 67P, 29P
691Spacewatch 0.9m telescope in Arizona, 6 in MPECs 2009-E01 & 2009-E06 -- 2006 EV52, 85867, 162063, 8566, 93P, 16P
291Spacewatch 1.8m telescope in Arizona, 15 in MPECs 2009-E01, 2009-E06, 2009-E07 & 2009-E08 -- 2009 DL46, 2009 DJ46, 2009 DD, 2009 DC12, 2009 DB12, 2009 DB1, 2009 DA1, 2009 BH58, 2008 UE7, C/2006 K1, 2005 YV128, 2002 JR9, 179P, 81P, 65P
A78Stia Obs. in Italy, 1 in MPEC 2009-E01 -- 2009 DQ4
147Suno Obs. in Italy, 1 in MPEC 2009-E06 -- C/2007 N3
B18Terskol Obs. in Russia, 8 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 210P, 144P, 116P, 67P, 29P, 19P
H10Tzec Maun Obs. Mayhill in New Mexico, 2 in MPEC 2009-E06 -- 88P, 33P
J70Vega del Thader Obs. in Spain, 1 in MPEC 2009-E06 -- 29P
H47Vicksburg Obs. in Mississippi, 4 in MPEC 2009-E06 -- C/2006 OF2, 144P, 74P, 29P
B42Vitebsk Obs. in Belarus, 4 in MPEC 2009-E06 -- C/2005 L3, 77P, 65P, 19P
367Yatsuka Obs. in Japan, 6 in MPEC 2009-E06 -- C/2008 T2, C/2007 Q3, C/2007 N3, C/2006 OF2, 144P, 116P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 1 March '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 DB45JPL Sentry1559R E M O V E DJPL: Risk listing removed at 0949 UTC.
2009 DA45JPL Sentry1559R E M O V E DJPL: Risk listing removed at 0948 UTC.
2009 DV43JPL Sentry1559R E M O V E DJPL: Risk listing removed at 1028 UTC.
NEODyS1559R E M O V E D-
2009 DS43JPL Sentry1559R E M O V E DJPL: Risk listing removed at 0954 UTC.
NEODyS1559R E M O V E D-
2009 DC43NEODyS16002028-2078185.26e-09-4.45-5.130NEODyS: "Based on 36 optical observations (of which 0 are rejected as outliers) from 2009/02/26.500 to 2009/02/28.531."
JPL Sentry15592028-2108199.7e-09-4.34-5.150JPL: "Analysis based on 36 observations spanning 2.0308 days (2009-Feb-26.49973 to 2009-Feb-28.5305)." Diameter approximately 0.991 km. from mean, weighted H=17.7.
2009 DV42JPL Sentry1559R E M O V E DJPL: Risk listing removed at 0948 UTC.
NEODyS1559R 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 1 March '09

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

2358Grabbed MPEC 2009-E06 - Observations of Comets - see above
Grabbed MPEC 2009-E07 - 2009 DJ46 - see above
Grabbed MPEC 2009-E08 - 2009 DL46 - see above
Grabbed MPEC 2009-E09 - 2009 EA - see above
2303Grabbed MPEC 2009-E04 - Comet P/2008 Y1 (Boattini) - see above
Grabbed MPEC 2009-E05 - Comet C/2009 B2 (LINEAR) - see above
1800Grabbed MPEC 2009-E03 - 2009 DD45 - see above
1600Noted that NEODyS has updated its 2009 DC43 risk assessment - see above
Grabbed MPEC 2009-E01 - Daily Orbit Update - see above
Grabbed MPEC 2009-E02 - 2009 DD45 - see above
1559Noted that JPL Sentry has removed 2009 DA45 as an impact risk - see above
Noted that JPL Sentry has removed 2009 DB45 as an impact risk - see above
Noted that JPL Sentry has updated its 2009 DC43 risk assessment - see above
Noted that JPL Sentry has removed 2009 DS43 as an impact risk - see above
Noted that NEODyS has removed 2009 DS43 as an impact risk - see above
Noted that JPL Sentry has removed 2009 DV42 as an impact risk - see above
Noted that NEODyS has removed 2009 DV42 as an impact risk - see above
Noted that JPL Sentry has removed 2009 DV43 as an impact risk - see above
Noted that NEODyS has removed 2009 DV43 as an impact risk - see above