Contents  on 17 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 17 April '11

The MPC's NEO Confirmation Page has 4 listings: 4 updated

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had four updated listings. So far The Tracking News has counted a total of five 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 17 April '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 17 Apr. '11 >>  MPEC 2011-H09 - "07:10 UT" - Daily Orbit Update

Observers  on 17 April '11

Eight observers appear in today's MPEC.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 2 in MPEC 2011-H09 -- 2011 GF, 2011 GE3
807|Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 19 in MPEC 2011-H09 -- 2011 GS60, 2011 GM44, 2011 GL62, 2011 GH62, 2011 GA55, 2011 FS29, 2011 DV, 2011 CG2, 2011 BB, 2011 AO52, 2010 VN65, 2010 TV149, 2008 SR7, 2008 CM116, 2006 OY10, 2002 WP11, 2002 JQ100, 1998 UN1, 1997 XV11
704LINEAR in New Mexico, 3 in MPEC 2011-H09 -- 2011 GQ65, 267759, 23187
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2011-H09 -- 2011 FT53
B67Mirasteilas Obs. in Switzerland, 2 in MPEC 2011-H09 -- 2011 GL62, 2011 DS9
A24New Millennium Obs. in Italy, 22 in MPEC 2011-H09 -- 2011 CH71, 2011 AN16, 2008 SO, 89830, 40267, 36284, 256412, 248083, 23187, 23183, 228368, 22771, 215167, 21374, 204232, 15745, 136617, 11885, 7480, 4954, 3554, 1864
F51Pan-STARRS 1 (PS1) in Hawaii, 2 in MPEC 2011-H09 -- 2009 DV42, 2007 GD49
E24Tangra Obs. in New South Wales, 1 in MPEC 2011-H09 -- 2011 GP59
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 17 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 17 April '11

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

1624Grabbed MPEC 2011-H09 - Daily Orbit Update - see above