Contents  on 12 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.

Radar Astrometry  on 12 July '11

Radar observation of one object

The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:

Data update noted at 1918 UTC when the database was dated 12 July

NEOCP Activity  on 12 July '11

The MPC's NEO Confirmation Page has 6 listings

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

New MPECs  on 12 July '11

Minor Planet Electronic Circulars

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

MPEC 2011-N41 - "19:53 UT" - Comet C/2011 N3 (SOHO)

<< DOU on 12 July '11 >>  MPEC 2011-N40 - "07:08 UT" - Daily Orbit Update

Observers  on 12 July '11

Eleven observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 9 in MPEC 2011-N40 -- 2011 MX2, 2011 MK, 2011 ME5, 2011 LX10, 2011 KN9, 2011 FB29, 2008 TR10, 2005 JA22, 2004 JO2
I27Barred Owl Obs., 2 in MPEC 2011-N40 -- 2011 KN9, 37336
A74Bergen-Enkheim Obs. in Germany, 1 in MPEC 2011-N40 -- 2011 NY
203GiaGa Obs. in Italy, 3 in MPEC 2011-N40 -- 2011 NY, 2011 KP17, 2011 JP29
253Goldstone DSS-14 70m antenna in southern California, 1 in radar -- 2011 EZ78
A17Guidestar Obs. in Germany, 5 in MPEC 2011-N40 -- 2011 NY, 2011 NP, 2011 MW1, 2011 MV1, 2001 RZ11
379Hamamatsu-Yuto Obs. in Japan, 4 in MPEC 2011-N40 -- 2011 EZ78, 2008 LV16, 68348, 1917
560Madonna di Dossobuono Obs. in Italy, 4 in MPEC 2011-N40 -- 2011 NY, 2011 DL19, 2008 TR10, 2008 LV16
C49STEREO-A in heliocentric orbit leading Earth, 1 in MPEC 2011-N41 -- C/2011 N3
C50STEREO-B in heliocentric orbit trailing Earth, 1 in MPEC 2011-N41 -- C/2011 N3
249Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 1 in MPEC 2011-N41 -- C/2011 N3
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 12 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 12 July '11

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

2047Grabbed MPEC 2011-N41 - Comet C/2011 N3 (SOHO) - see above
1918Noted Radar Astrometry database update - see above
1529Grabbed MPEC 2011-N40 - Daily Orbit Update - see above