Contents  on 20 September '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 September '11

The MPC's NEO Confirmation Page has 45 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 45 objects listed. Of these, 31 were "one nighters." So far The Tracking News has counted a total of 65 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 20 September '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 20 Sept. '11 >>  MPEC 2011-S17 - "06:03 UT" - Daily Orbit Update

Observers  on 20 September '11

Ten observers appear in today's MPEC.

CodeObserver / observatory
703Catalina Sky Survey (CSS) in Arizona, 2 in MPEC 2011-S17 -- 2011 OV4, 162162
807|Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 2 in MPEC 2011-S17 -- 2011 EZ78, 2004 RU10
704LINEAR in New Mexico, 2 in MPEC 2011-S17 -- 2011 QF14, 2011 OC18
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2011-S17 -- 2011 FS29
G96Mt. Lemmon Survey (MLS) in Arizona, 3 in MPEC 2011-S17 -- 2008 VH, 2008 RG98, 2000 DQ110
F51Pan-STARRS 1 (PS1) in Hawaii, 2 in MPEC 2011-S17 -- 284114, 141354
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 2 in MPEC 2011-S17 -- 2011 SF3, 2011 QY39
E12Siding Spring Survey in New South Wales, 1 in MPEC 2011-S17 -- 2011 LC19
291Spacewatch 1.8m telescope in Arizona, 5 in MPEC 2011-S17 -- 2011 RX, 2011 RV14, 2011 QZ13, 2011 QE2, 2011 MD5
I93St. Pardon de Conques Obs. in France, 1 in MPEC 2011-S17 -- 2011 SO5
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 20 September '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 September '11

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

1539Grabbed MPEC 2011-S17 - Daily Orbit Update - see above