Contents  on 7 April '09

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.

Radar Astrometry  on 7 April '09

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 2001 UTC when the database was dated 7 April

NEOCP Activity  on 7 April '09

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty. There was one listing noted earlier today.

New MPECs  on 7 April '09

Minor Planet Electronic Circulars

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


MPEC 2009-G21 - "13:11 UT" - Comet C/2009 F6 (Yi-Swan)


<< DOU on 7 Apr. '09 >>  MPEC 2009-G20 - "06:10 UT" - Daily Orbit Update

Observers  on 7 April '09

Nineteen observing facilities appear in today's MPECs.

CodeObserver / observatory
H55Astronomical Research Obs. in Illinois, 1 in MPEC 2009-G20 -- 2009 BH58
235CAST Obs. in Italy, 1 in MPEC 2009-G21 -- C/2009 F6
493Calar Alto Obs. in Spain, 1 in MPEC 2009-G21 -- C/2009 F6
114Engelhardt Obs. Zelenchukskaya Station in Karachay-Cherkessia, 1 in MPEC 2009-G21 -- C/2009 F6
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2009-G21 -- C/2009 F6
252Goldstone DSS-13 34m antenna in southern California, 1 in radar -- 4179
253Goldstone DSS-14 70m antenna in southern California, 1 in radar -- 4179
E16Grove Creek Obs. in New South Wales, 1 in MPEC 2009-G20 -- 2009 DE47
A17Guidestar Obs. in Germany, 1 in MPEC 2009-G21 -- C/2009 F6
379Hamamatsu-Yuto Obs. in Japan, 4 in MPEC 2009-G20 -- 2008 WL60, 2008 SV11, 2007 BT2, 2004 VC
213Montcabre Obs. in Spain, 1 in MPEC 2009-G21 -- C/2009 F6
900Moriyama Obs. in Japan, 1 in MPEC 2009-G21 -- C/2009 F6
H06RAS Obs. Mayhill in New Mexico, 1 in MPEC 2009-G21 -- C/2009 F6
J41Raheny Obs. in Ireland, 1 in MPEC 2009-G21 -- C/2009 F6
204Schiaparelli Obs. in Italy, 1 in MPEC 2009-G21 -- C/2009 F6
587Sormano Obs. in Italy, 3 in MPECs 2009-G20 & 2009-G21 -- 2009 FU23, C/2009 F6, 2008 SV11
6735Jim Young via Table Mtn. Obs. in southern California, 2 in MPEC 2009-G20 -- 2009 FJ44, 2009 FH44
B42Vitebsk Obs. in Belarus, 1 in MPEC 2009-G21 -- C/2009 F6
367Yatsuka Obs. in Japan, 1 in MPEC 2009-G21 -- C/2009 F6
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 7 April '09

At last check (JPL at 2358 and NEODyS 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 7 April '09

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

2001Noted Radar Astrometry database update - see above
1430Grabbed MPEC 2009-G21 - Comet C/2009 F6 (Yi-Swan) - see above
1340Grabbed MPEC 2009-G20 - Daily Orbit Update - see above
Noted that the NEOCP has become empty