21 Lutetia imaged from Rosetta on 9 July 2010. 
(c)Copyright ESA 2010, credit OSIRIS team.

No longer just a point of light, Main Belt asteroid 21 Lutetia today becomes the largest asteroid yet visited as the Rosetta mission flies past. For more info about flyby progress and resources, see the Rosetta blog. This image is from the OSIRIS imaging system Narrow Angle Camera yesterday when 2 million km. from the target, ©copyright ESA 2010.

Contents  on 10 July '10

Note: A/CC news pages will update infrequently for much of the remainder of July. (And our main Web site has been down and up this Saturday for reasons uknown. Be sure to bookmark our backup site -- see below.)


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 10 July '10

The MPC's NEO Confirmation Page has 8 listings: 2 new, 6 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two new and six updated listings. Of these, one was a "one nighter." 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 10 July '10

Minor Planet Electronic Circulars

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

MPEC 2010-N48 - "20:00 UT" - Comet P/2010 N1 (WISE)

MPEC 2010-N47 - "18:52 UT" - 2009 MF10

MPEC 2010-N46 - "17:23 UT" - 2010 NR1

<< DOU on 10 July '10 >>  MPEC 2010-N45 - "06:10 UT" - Daily Orbit Update

Observers  on 10 July '10

Nineteen observing facilities appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2010-N48 -- P/2010 N1
B09Capannoli Obs. in Italy, 4 in MPEC 2010-N45 -- 2009 WC26, 85818, 237442, 100926
160Castelmartini Obs. in Italy, 3 in MPEC 2010-N45 -- 86324, 66146, 111253
703Catalina Sky Survey in Arizona, 1 in MPEC 2010-N48 -- P/2010 N1
807Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2010-N47 -- 2009 MF10
H26Doc Greiner Research Obs. (DGRO) in Wisconsin, 4 in MPEC 2010-N45 -- 2010 NK1, 2010 EV45, 2010 EH20, 2005 NP1
I11Gemini South Obs. in Chile, 1 in MPEC 2010-N47 -- 2009 MF10
J95Great Shefford Obs. in England, 1 in MPEC 2010-N45 -- 2010 NK1
704LINEAR in New Mexico, 1 in MPEC 2010-N45 -- 2002 OS4
304Las Campanas Obs. in Chile, 1 in MPEC 2010-N47 -- 2009 MF10
568Mauna Kea in Hawaii, 1 in MPEC 2010-N48 -- P/2010 N1
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-N45 -- 2010 KK127
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2010-N46 -- 2010 NR1
D90{E. Bryssinck via RAS Obs. Moorook in South Australia, 1 in MPEC 2010-N46 -- 2010 NR1
I20Rio Cuarto Obs. in Argentina, 4 in MPECs 2010-N45 & 2010-N46 -- 2010 NR1, 2010 EV45, 2009 KD5, 2005 GG
B38Santa Mama Obs. in Italy, 3 in MPEC 2010-N45 -- 54789, 241370, 152889
E12Siding Spring Survey in New South Wales, 1 in MPEC 2010-N46 -- 2010 NR1
I19Tanti Obs. in Argentina, 1 in MPEC 2010-N46 -- 2010 NR1
D96Tzec Maun Obs. Moorook in South Australia, 1 in MPEC 2010-N46 -- 2010 NR1
C51WISE in Earth polar orbit, 14 in MPECs 2010-N45 & 2010-N48 -- P/2010 N1, 2010 FY80, 2010 AB78, 2009 XF2, 2006 BN6, 85839, 66272, 52762, 232382, 162483, 154993, 2102, 1980, 1865
198Wildberg Obs. in Germany, 1 in MPEC 2010-N45 -- 2010 EH20
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 10 July '10

At last check (NEODyS and JPL at 2358 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.

Chronology  on 10 July '10

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

2359Grabbed MPEC 2010-N47 - 2009 MF10 - see above
Grabbed MPEC 2010-N48 - Comet P/2010 N1 (WISE) - see above
1825Grabbed MPEC 2010-N46 - 2010 NR1 - see above
1436Grabbed MPEC 2010-N45 - Daily Orbit Update - see above