Contents  on 13 May '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 13 May '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 2310 UTC when the database was dated 13 May

NEOCP Activity  on 13 May '11

The MPC's NEO Confirmation Page has 12 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had twelve objects listed. Of these, six were "one nighters."

New MPECs  on 13 May '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 13 May '11 >>  MPEC 2011-J50 - "07:09 UT" - Daily Orbit Update

Observers  on 13 May '11

Ten observers appear in today's MPEC.

CodeObserver / observatory
251Arecibo in Puerto Rico, 1 in radar -- 54660
H21Astronomical Research Obs. Westfield in Illinois, 3 in MPEC 2011-J50 -- 2011 HT, 2011 GQ65, 2011 FB29
703Catalina Sky Survey (CSS) in Arizona, 3 in MPEC 2011-J50 -- 263976, 162463, 3122
807|Robert Holmes via Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2011-J50 -- 2011 BB
H26Doc Greiner Research Obs. (DGRO) in Wisconsin, 2 in MPEC 2011-J50 -- 2011 JR13, 2011 HP
J95Great Shefford Obs. in England, 2 in MPEC 2011-J50 -- 2011 JM5, 2011 HB53
G96Mt. Lemmon Survey in Arizona, 1 in MPEC 2011-J50 -- 2003 KO2
J93Mt. Tuffley Obs. in England, 1 in MPEC 2011-J50 -- 137170
A24New Millennium Obs. in Italy, 11 in MPEC 2011-J50 -- 2011 GQ65, 2011 FB29, 2011 AO52, 1998 UN1, 37336, 267759, 267494, 188174, 163250, 137170, 1917
291Spacewatch 1.8m telescope in Arizona, 6 in MPEC 2011-J50 -- 2011 JZ10, 2011 JX1, 2011 JK, 2011 GO65, 2010 SO16, 2010 OF101
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 13 May '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 13 May '11

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

2310Noted Radar Astrometry database update - see above
1614Grabbed MPEC 2011-J50 - Daily Orbit Update - see above