Comet 103P/Hartley 2 viewed from EPOXI Deep Impact 
on 4 Nov. 2010. Credit: NASA/JPL/UM.

The EPOXI mission Deep Impact spacecraft flew past the comet 103P/Hartley 2 nucleus yesterday and caught some spectacular views, including this from 1400:56 UTC. See descriptions here and here, and an animation. Credit: NASA/JPL/UM.


Contents  on 5 November '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 5 November '10

The MPC's NEO Confirmation Page has 10 listings: 7 new, 3 updated

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had seven new and three updated listings. Of these, eight were "one nighters." So far The Tracking News has counted a total of nineteen 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 5 November '10

Minor Planet Electronic Circulars

As of last check at 2359 UTC, there have been five MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2010-V55 - "15:13 UT" - Comet C/2010 U3 (Boattini)


MPEC 2010-V54 - "15:08 UT" - 2010 VU11


MPEC 2010-V53 - "14:59 UT" - 2010 VT11


MPEC 2010-V52 - "14:48 UT" - 2010 JC81


<< DOU on 5 Nov. '10 >>  MPEC 2010-V51 - "06:10 UT" - Daily Orbit Update

Observers  on 5 November '10

A total of 34 observing facilities appear in today's MPECs.

CodeObserver / observatory
B17AZT-8 Evpatoria in the Ukraine, 1 in MPEC 2010-V51 -- 2212
H21Astronomical Research Obs. Westfield in Illinois, 19 in MPECs 2010-V51 & 2010-V55 -- 2010 UY7, 2010 UX7, 2010 UX6, 2010 UR7, 2010 UQ7, 2010 UH7, 2010 UE7, 2010 UD8, 2010 UD, C/2010 U3, 2010 TX54, 2010 TJ7, 2010 TJ54, 2010 TC55, 2010 SR3, 2010 SG13, 2010 SD13, 2010 RN80, 2010 RM42
300Bisei Spaceguard Center in Japan, 1 in MPEC 2010-V51 -- 2010 VN1
160Castelmartini Obs. in Italy, 7 in MPEC 2010-V51 -- 2010 TJ7, 2010 SD13, 2010 LY63, 2005 TB15, 241370, 143381, 137032
703Catalina Sky Survey (CSS) in Arizona, 9 in MPEC 2010-V51 -- 2010 TV149, 2010 MF1, 2005 WK4, 48603, 23187, 168378, 11405, 3288, 2212
J18Churchstoke Obs. in Wales, 1 in MPEC 2010-V51 -- 2003 UV11
448Desert Moon Obs. in New Mexico, 5 in MPEC 2010-V51 -- 2010 VE, 2010 UQ7, 2010 UE7, 2010 TX168, 2000 YO29
F65Faulkes Telescope North in Hawaii, 1 in MPEC 2010-V55 -- C/2010 U3
E10Faulkes Telescope South in New South Wales, 1 in MPEC 2010-V55 -- C/2010 U3
157Frasso Sabino Obs. in Italy, 1 in MPEC 2010-V55 -- C/2010 U3
H15ISON-NM Obs. in New Mexico, 1 in MPEC 2010-V55 -- C/2010 U3
J28Jaen Obs. in Spain, 1 in MPEC 2010-V51 -- 88959
G92Jarnac Obs. in Arizona, 1 in MPEC 2010-V51 -- 3288
C32Ka-Dar Obs. TAU Station in Russia, 1 in MPEC 2010-V55 -- C/2010 U3
E28Kuriwa Obs., 1 in MPEC 2010-V51 -- 2003 UV11
704LINEAR in New Mexico, 24 in MPECs 2010-V51 & 2010-V53 -- 2010 VT11, 2010 UK8, 2010 TY54, 2010 TJ54, 2010 TH19, 2010 TC55, 2010 SD13, 2010 RA147, 2010 LR68, 2007 VG189, 2007 TD71, 2005 TB15, 1997 US2, 96590, 249595, 241370, 216115, 17181, 170903, 169352, 153814, 152978, 11885, 2212
J75La Sagra Obs. in Spain, 2 in MPEC 2010-V51 -- 96590, 5869
H01Magdalena Ridge Obs. (MRO) in New Mexico, 3 in MPECs 2010-V53, 2010-V54 & 2010-V55 -- 2010 VU11, 2010 VT11, C/2010 U3
5682David Tholen's team on Mauna Kea in Hawaii, 2 in MPECs 2010-V51 & 2010-V54 -- 2010 VU11, 2010 TQ54
G96Mt. Lemmon Survey (MLS) in Arizona, 9 in MPECs 2010-V51 & 2010-V55 -- C/2010 U3, 2008 CZ118, 2006 SH7, 2003 HQ32, 216115, 199145, 170086, 154269, 8013
A13Naef Obs. in Switzerland, 3 in MPEC 2010-V51 -- 2010 UO7, 250162, 219071
F51Pan-STARRS 1 (PS1) in Hawaii, 2 in MPECs 2010-V51 & 2010-V54 -- 2010 VU11, 2010 UD8
658Plaskett 1.8m Telescope in British Columbia, 1 in MPEC 2010-V55 -- C/2010 U3
C20Pulkovo Obs. Kislovodsk Mtn. Station in Russia, 1 in MPEC 2010-V55 -- C/2010 U3
H06RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-V55 -- C/2010 U3
D90|H. Sato in Japan via RAS Obs. Moorook in South Australia, 1 in MPEC 2010-V52 -- 2010 JC81
854Sabino Canyon Obs. in Arizona, 1 in MPEC 2010-V55 -- C/2010 U3
H36Sandlot Obs. in Kansas, 2 in MPECs 2010-V53 & 2010-V55 -- 2010 VT11, C/2010 U3
204Schiaparelli Obs. in Italy, 1 in MPEC 2010-V55 -- C/2010 U3
E12Siding Spring Survey in New South Wales, 1 in MPEC 2010-V52 -- 2010 JC81
587Sormano Obs. in Italy, 6 in MPEC 2010-V51 -- 2010 VB, 2010 UQ7, 2010 UK8, 2010 UE51, 2010 TX168, 2010 TV149
691Spacewatch 0.9m telescope in Arizona, 5 in MPEC 2010-V51 -- 2010 VB, 2010 UX7, 2010 UL7, 231134, 136849
291Spacewatch 1.8m telescope in Arizona, 4 in MPEC 2010-V51 -- 2010 VH1, 2010 VE1, 2010 UY7, 2010 UX6
G56Walnut Creek Obs. in northern California, 1 in MPEC 2010-V51 -- 2010 UX6
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 5 November '10

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL at 2359 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 VN1JPL Sentry15512050-206662.2e-06-7.24-7.680JPL: "Analysis based on 27 observations spanning .73365 days (2010-Nov-04.00752 to 2010-Nov-04.74117)." Diameter approximately 0.007 km. from mean, weighted H=28.3.
NEODyS15512046-206091.95e-06-7.29-7.770NEODyS: "Based on 28 optical observations (of which 1 are rejected as outliers) from 2010-11-03.996 to 2010-11-04.742."
2010 VM1NEODyS15512028-209031.8e-09-6.27-6.520NEODyS: "Based on 13 optical observations (of which 0 are rejected as outliers) from 2010-11-02.432 to 2010-11-04.249."
2010 VH1JPL Sentry15512014-2110113.6e-08-4.89-5.050JPL: "Analysis based on 15 observations spanning 1.9219 days (2010-Nov-03.26049 to 2010-Nov-05.18235)." Diameter approximately 0.230 km. from mean, weighted H=20.9.
NEODyS15512014-203932.56e-08-4.82-5.040NEODyS: "Based on 15 optical observations (of which 0 are rejected as outliers) from 2010-11-03.261 to 2010-11-05.183."
2010 VG1NEODyS15512013-2086403.93e-09-5.01-5.250NEODyS: "Based on 12 optical observations (of which 0 are rejected as outliers) from 2010-11-03.082 to 2010-11-04.099."
2010 VE1JPL Sentry1551R E M O V E DJPL: Risk listing removed at 1028 UTC.
2010 VB1NEODyS15512064-2088111.89e-06-5.05-5.150NEODyS: "Based on 21 optical observations (of which 0 are rejected as outliers) from 2010-11-02.272 to 2010-11-04.207."
2010 UY7JPL Sentry15512066-2110352.2e-04-5.84-6.290JPL: "Analysis based on 56 observations spanning 4.0749 days (2010-Oct-30.19349 to 2010-Nov-03.26838)." Diameter approximately 0.007 km. from mean, weighted H=28.6.
NEODyS15512066-2090133.76e-05-6.53-6.650NEODyS: "Based on 56 optical observations (of which 0 are rejected as outliers) from 2010-10-30.194 to 2010-11-03.269."
2010 UR7JPL Sentry15512079-208632.4e-06-6.88-7.210JPL: "Analysis based on 41 observations spanning 4.3201 days (2010-Oct-30.16358 to 2010-Nov-03.48369)." Diameter approximately 0.011 km. from mean, weighted H=27.4.
NEODyS15512079-208642.33e-06-6.88-7.210NEODyS: "Based on 41 optical observations (of which 0 are rejected as outliers) from 2010-10-30.164 to 2010-11-03.484."
2010 UX6JPL Sentry1551207913.2e-08-6.76-6.760JPL: "Analysis based on 108 observations spanning 7.2653 days (2010-Oct-27.77604 to 2010-Nov-04.041358)." Diameter approximately 0.083 km. from mean, weighted H=23.1.
NEODyS1551R 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 5 November '10

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

1551Noted that JPL Sentry has updated its 2010 UR7 risk assessment - see above
Noted that JPL Sentry has updated its 2010 UX6 risk assessment - see above
Noted that JPL Sentry has updated its 2010 UY7 risk assessment - see above
Noted that JPL Sentry has removed 2010 VE1 as an impact risk - see above
Noted that JPL Sentry has updated its 2010 VH1 risk assessment - see above
Noted that JPL Sentry has updated its 2010 VN1 risk assessment - see above
Grabbed MPEC 2010-V51 - Daily Orbit Update - see above
Grabbed MPEC 2010-V52 - 2010 JC81 - see above
Grabbed MPEC 2010-V53 - 2010 VT11 - see above
Grabbed MPEC 2010-V54 - 2010 VU11 - see above
Grabbed MPEC 2010-V55 - Comet C/2010 U3 (Boattini) - see above
Noted that NEODyS has posted 2010 VB1 as an impact risk - see above
Noted that NEODyS has posted 2010 VG1 as an impact risk - see above
Noted that NEODyS has posted 2010 VH1 as an impact risk - see above
Noted that NEODyS has posted 2010 VM1 as an impact risk - see above
Noted that NEODyS has posted 2010 VN1 as an impact risk - see above
Noted that NEODyS has removed 2010 UX6 as an impact risk - see above
Noted that NEODyS has updated its 2010 UR7 risk assessment - see above
Noted that NEODyS has updated its 2010 UY7 risk assessment - see above