4 Vesta imaged from Dawn on 9 July 2011. 
Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA.

NASA reports that its Dawn spacecraft is expected to enter orbit early tomorrow UTC around the Main Belt's second largest asteroid, 4 Vesta (seen here in mission imagery from six days ago), following some recent difficulties. Image credit: NASA/JPL-Caltech / UCLA / MPS/DLR/IDA.

Contents  on 15 July '11


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 15 July '11

The MPC's NEO Confirmation Page has 3 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had three objects listed. Of these, one was a "one nighter." So far The Tracking News has counted a total of four listings on the NEOCP 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 15 July '11

Minor Planet Electronic Circulars

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

<< DOU on 15 July '11 >>  MPEC 2011-N44 - "07:07 UT" - Daily Orbit Update

Observers  on 15 July '11

Four observers appear in today's MPEC.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 6 in MPEC 2011-N44 -- 2011 LJ1, 2011 LC19, 2011 LA19, 2011 JP29, 2008 LV16, 2004 LH
B92Chinon Obs. in France, 1 in MPEC 2011-N44 -- 1036
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2011-N44 -- 2011 MT
I15Wishing Star Obs. in Rhode Island, 1 in MPEC 2011-N44 -- 2008 LV16
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 15 July '11

At last check (NEODyS and JPL at 2359 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 15 July '11

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

1558Grabbed MPEC 2011-N44 - Daily Orbit Update - see above