Contents  on 12 March '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 12 March '10

The MPC's NEO Confirmation Page has 6 listings: 2 new, 4 updated

When last checked at 2300 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two new and four updated listings. Of these, three were "one nighters." So far The Tracking News has counted a total of ten 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 12 March '10

Minor Planet Electronic Circulars

As of last check at 2300 UTC, there have been nine MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2010-E60 - "21:04 UT" - 2010 EK12


MPEC 2010-E59 - "20:28 UT" - Comet C/2010 E1 (Garradd)


MPEC 2010-E58 - "16:57 UT" - 2005 SC71


MPEC 2010-E57 - "16:43 UT" - Observations of Comets


MPEC 2010-E56 - "15:59 UT" - Comet P/2010 D2 (WISE)


MPEC 2010-E55 - "15:51 UT" - Comet C/2010 B1 (Cardinal)


MPEC 2010-E54 - "13:36 UT" - 2010 EG21


MPEC 2010-E53 - "12:57 UT" - 2010 EF21


<< DOU on 12 Mar. '10 >>  MPEC 2010-E52 - "07:07 UT" - Daily Orbit Update

Observers  on 12 March '10

A total of 65 observing facilities appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 1 in MPEC 2010-E57 -- 149P
J24Altamira Obs. in Spain, 8 in MPEC 2010-E57 -- P/2010 A3, 169P, 157P, 118P, 94P, 81P, 30P, 29P
H21Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2010-E59 -- C/2010 E1
J51Atlante Obs. in the Canary Islands, 5 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, P/2009 Q4, 169P, 118P, 29P
467Auckland Obs. in New Zealand, 1 in MPEC 2010-E57 -- C/2009 F6
C12Berta Obs. in Spain, 2 in MPEC 2010-E57 -- 94P, 29P
I99Blanquita Obs. in Spain, 6 in MPECs 2010-E52 & 2010-E57 -- 163243, 169P, 118P, 94P, 30P, 29P
B59Borken Obs. in Germany, 3 in MPEC 2010-E57 -- 94P, 81P, 29P
B96Brixiis Obs. in Belgium, 2 in MPEC 2010-E57 -- 94P, 29P
215Buchloe Obs. in Germany, 7 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, P/2010 A3, P/2009 T2, C/2008 P1, C/2007 N3, 169P, 157P
235CAST Obs. in Italy, 6 in MPEC 2010-E57 -- P/2010 A3, C/2008 N1, C/2006 OF2, 169P, 94P, 29P
B20Carmelita Obs. in Spain, 3 in MPEC 2010-E57 -- 118P, 30P, 29P
703Catalina Sky Survey in Arizona, 1 in MPEC 2010-E54 -- 2010 EG21
G58Chabot Obs. in northern California, 1 in MPEC 2010-E52 -- 2010 DF1
A77Chante-Perdrix Obs. in France, 4 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, C/2009 Y1, C/2009 U3, C/2007 Q3
J01Cielo Profundo Obs. in Spain, 10 in MPEC 2010-E57 -- C/2009 U5, P/2009 Q4, C/2008 N1, C/2008 FK75, C/2007 Q3, C/2007 D1, C/2005 L3, 230P, 74P, 29P
106Crni Vrh Obs. in Slovenia, 1 in MPEC 2010-E57 -- C/2009 O2
B84Cyclops Obs. in The Netherlands, 2 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, 118P
E16Grove Creek Obs. in New South Wales, 1 in MPEC 2010-E57 -- 67P
442Gualba Obs. in Spain, 4 in MPEC 2010-E57 -- C/2007 Q3, C/2006 OF2, 81P, 29P
750Hobbs Obs. in Wisconsin, 2 in MPEC 2010-E57 -- 94P, 29P
048Hradec Kralove Obs. in the Czech Republic, 1 in MPEC 2010-E57 -- 29P
J28Jaen Obs. in Spain, 1 in MPEC 2010-E57 -- 81P
415Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2010-E57 -- C/2010 A4
695]Mark Trueblood via Kitt Peak Natl. Obs. in Arizona, 1 in MPEC 2010-E52 -- 2010 DF1
D95Kurihara Obs. in Japan, 9 in MPEC 2010-E57 -- P/2010 A3, C/2009 U3, C/2009 O2, C/2009 K5, C/2007 Q3, 157P, 94P, 30P, 29P
704LINEAR in New Mexico, 13 in MPECs 2010-E52, 2010-E54 & 2010-E57 -- 2010 EG21, 2010 CC180, C/2009 Y1, C/2009 F2, 2009 CB3, 2008 FN6, 27346, 221980, 214088, 20790, 162882, 5626, 157P
699LONEOS in Arizona, 1 in MPEC 2010-E60 -- 2010 EK12
950.Ovidiu Vaduvescu via La Palma in the Canary Islands, 2 in MPEC 2010-E52 -- 2008 EE, 2007 EF
J75La Sagra Obs. in Spain, 6 in MPEC 2010-E52 -- 2008 EE, 2004 RK, 1996 BA1, 40263, 221980, 16064
J38La Vara Obs. in Spain, 5 in MPEC 2010-E57 -- 203P, 157P, 118P, 30P, 29P
B33Libbiano Obs. in Italy, 1 in MPEC 2010-E57 -- 149P
560Madonna di Dossobuono Obs. in Italy, 1 in MPEC 2010-E52 -- 2002 CF26
B82Maidbronn Obs. in Germany, 16 in MPECs 2010-E55 & 2010-E57 -- P/2010 C1, C/2010 B1, P/2010 A3, C/2009 U5, C/2009 U3, P/2009 Q4, C/2008 P1, C/2007 N3, 230P, 217P, 157P, 94P, 81P, 74P, 30P, 29P
C10Maisoncelles Obs. in France, 11 in MPEC 2010-E57 -- P/2009 Q4, C/2009 K5, C/2009 F2, C/2008 N1, C/2007 D1, C/2006 OF2, 169P, 149P, 81P, 74P, 29P
568Mauna Kea in Hawaii, 1 in MPEC 2010-E56 -- P/2010 D2
118Modra Obs. in Slovakia, 2 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, P/2010 A3
152Moletai Obs. in Lithuania, 2 in MPEC 2010-E57 -- C/2007 Q3, 81P
213Montcabre Obs. in Spain, 5 in MPEC 2010-E57 -- C/2010 A4, 118P, 31P, 30P, 29P
900Moriyama Obs. in Japan, 12 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, C/2009 U3, P/2009 Q4, C/2007 Q3, C/2006 OF2, 217P, 169P, 157P, 118P, 81P, 30P, 29P
474Mt. John Obs. in New Zealand, 2 in MPECs 2010-E53 & 2010-E59 -- 2010 EF21, C/2010 E1
J93Mt. Tuffley Obs. in England, 2 in MPEC 2010-E57 -- C/2007 Q3, 94P
J47Nazaret Obs. in Spain, 3 in MPEC 2010-E57 -- C/2008 FK75, 81P, 29P
423North Ryde Obs. in New South Wales, 1 in MPEC 2010-E57 -- C/2010 A4
224Ottmarsheim Obs. in France, 1 in MPEC 2010-E57 -- 118P
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 15 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, C/2009 Y1, P/2009 T2, P/2009 Q4, C/2008 S3, C/2008 Q3, C/2008 N1, C/2007 D1, C/2005 L3, 157P, 94P, 81P, 74P, 31P, 30P
H06RAS Obs. Mayhill in New Mexico, 10 in MPECs 2010-E56, 2010-E57 & 2010-E59 -- C/2010 E1, P/2010 D2, P/2010 A3, C/2009 O2, C/2009 K5, C/2008 Q3, C/2008 N1, C/2008 FK75, 157P, 149P
D90RAS Obs. Moorook in South Australia, 2 in MPECs 2010-E57 & 2010-E59 -- C/2010 E1, 67P
473Remanzacco Obs. in Italy, 2 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, 94P
939Rodeno Obs. in Spain, 7 in MPEC 2010-E57 -- P/2010 A3, C/2009 U3, 203P, 157P, 118P, 30P, 29P
B74Santa Maria de Montmagastrell Obs. in Spain, 3 in MPEC 2010-E57 -- 94P, 30P, 29P
204Schiaparelli Obs. in Italy, 9 in MPEC 2010-E57 -- P/2010 C1, P/2009 Q4, C/2009 O2, C/2009 K5, C/2008 S3, C/2008 Q3, C/2007 D1, C/2005 L3, 94P
D93Sendai Obs. in Japan, 16 in MPECs 2010-E55 & 2010-E57 -- C/2010 B1, P/2010 A3, P/2009 Q4, C/2008 Q3, C/2008 FK75, C/2007 Q3, C/2006 OF2, C/2005 L3, 203P, 157P, 118P, 94P, 81P, 74P, 30P, 29P
E12Siding Spring Survey (SSS) in New South Wales, 2 in MPECs 2010-E53 & 2010-E59 -- 2010 EF21, C/2010 E1
G68Sierra Stars Obs. in northern California, 2 in MPEC 2010-E57 -- 94P, 30P
645Sloan Digital Sky Survey in New Mexico, 1 in MPEC 2010-E60 -- 2010 EK12
J26Spaceguard Centre in Wales, 2 in MPECs 2010-E52 & 2010-E57 -- P/2009 Q4, 162998
611Starkenburg Obs. in Germany, 3 in MPEC 2010-E52 -- 2010 CC180, 2004 RA11, 2001 FZ57
A71Stixendorf Obs. in Austria, 4 in MPEC 2010-E57 -- 118P, 94P, 30P, 29P
926Tenagra II Obs. in Arizona, 4 in MPECs 2010-E52, 2010-E58 & 2010-E59 -- 2010 EX11, C/2010 E1, 2010 DF1, 2005 SC71
H10Tzec Maun Obs. Mayhill in New Mexico, 3 in MPECs 2010-E52, 2010-E57 & 2010-E59 -- C/2010 E1, 2010 CV180, 169P
D96Tzec Maun Obs. Moorook in South Australia, 7 in MPECs 2010-E52, 2010-E53, 2010-E57 & 2010-E59 -- 2010 EF21, C/2010 E1, 1627, 1036, 81P, 74P, 29P
H47Vicksburg Obs. in Mississippi, 8 in MPEC 2010-E57 -- C/2005 L3, 169P, 118P, 94P, 81P, 74P, 30P, 29P
C51WISE in Earth polar orbit, 5 in MPECs 2010-E52 & 2010-E57 -- C/2009 F6, 163243, 152941, 887, 31P
940Waterlooville Obs. in England, 1 in MPEC 2010-E57 -- 157P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 12 March '10

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL at 2300 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
2008 EM68JPL Sentry05132010-210811721.6e-05-5.46-6.080JPL: "Analysis based on 12 observations spanning .11019 days (2008-Mar-08.25164 to 2008-Mar-08.36183)." Diameter approximately 0.010 km. from mean, weighted H=27.7.
2005 YU55NEODyS15332043-2109932.88e-04-2.30-2.561NEODyS: "Based on 51 optical observations (of which 1 are rejected as outliers) from 2005/12/24.299 to 2010/03/06.343. NOTE: The Virtual Impactor in 2103/11/10.491 ... are rated as Torino Scale 1."
JPL Sentry05132043-2109618.1e-04-1.83-2.001JPL: "Analysis based on 51 observations spanning 1533.0 days (2005-Dec-24.29832 to 2010-Mar-06.342175)." Diameter approximately 0.140 km. from mean, weighted H=21.9.
153814 2001 WN5NEODyS15332106-213363.01e-05-1.72-1.73-NEODyS: "Based on 128 optical observations (of which 7 are rejected as outliers) from 1996/02/10.397 to 2010/03/06.400."
JPL Sentry0513213311.3e-05-2.07-2.07-JPL: "Analysis based on 124 observations spanning 5138.0 days (1996-Feb-10.39593 to 2010-Mar-06.399287)." Diameter approximately 0.770 km. from mean, weighted H=18.2.

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 12 March '10

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

2200Grabbed MPEC 2010-E60 - 2010 EK12 - see above
2103Grabbed MPEC 2010-E59 - Comet C/2010 E1 (Garradd) - see above
1710Grabbed MPEC 2010-E56 - Comet P/2010 D2 (WISE) - see above
Grabbed MPEC 2010-E57 - Observations of Comets - see above
Grabbed MPEC 2010-E58 - 2005 SC71 - see above
1610Grabbed MPEC 2010-E55 - Comet C/2010 B1 (Cardinal) - see above
1533Noted that NEODyS has updated its 153814 2001 WN5 risk assessment - see above
Noted that NEODyS has updated its 2005 YU55 risk assessment - see above
Grabbed MPEC 2010-E52 - Daily Orbit Update - see above
Grabbed MPEC 2010-E53 - 2010 EF21 - see above
Grabbed MPEC 2010-E54 - 2010 EG21 - see above
0513Noted that JPL Sentry has updated its 153814 2001 WN5 risk assessment - see above
Noted that JPL Sentry has updated its 2005 YU55 risk assessment - see above
Noted that JPL Sentry has updated its 2008 EM68 risk assessment - see above