Contents  on 20 April '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 20 April '11

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty and hasn't been noted by The Tracking News as being active yet today (checked at 2359 UTC). It was last noted active yesterday.

New MPECs  on 20 April '11

Minor Planet Electronic Circulars

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

MPEC 2011-H18 - "16:25 UT" - PHAs

MPEC 2011-H17 - "16:25 UT" - Unusual Minor Planets

MPEC 2011-H16 - "16:25 UT" - Amors

MPEC 2011-H15 - "16:25 UT" - Atens and Apollos

MPEC 2011-H14 - "16:20 UT" - Observable Comets

<< DOU on 20 Apr. '11 >>  MPEC 2011-H13 - "07:10 UT" - Daily Orbit Update

Observers  on 20 April '11

Five observers appear in today's MPEC.

CodeObserver / observatory
160Castelmartini Obs. in Italy, 8 in MPEC 2011-H13 -- 2011 EM51, 2004 FG1, 2002 TD60, 263976, 250614, 23187, 162463, 141525
A24New Millennium Obs. in Italy, 9 in MPEC 2011-H13 -- 2011 CH71, 2011 AN16, 36284, 256412, 248083, 23187, 21374, 11885, 1864
557Ondrejov Obs. in the Czech Republic, 1 in MPEC 2011-H13 -- 3554
C27Pallerols Obs. in Spain, 1 in MPEC 2011-H13 -- 4954
F51Pan-STARRS 1 (PS1) in Hawaii, 5 in MPEC 2011-H13 -- 2011 BY10, 2000 QN130, 175189, 145656, 9856
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 20 April '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 20 April '11

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

1704Grabbed MPEC 2011-H14 - Observable Comets - see above
Grabbed MPEC 2011-H15 - Atens and Apollos - see above
Grabbed MPEC 2011-H16 - Amors - see above
Grabbed MPEC 2011-H17 - Unusual Minor Planets - see above
Grabbed MPEC 2011-H18 - PHAs - see above
1604Grabbed MPEC 2011-H13 - Daily Orbit Update - see above