Contents  on 8 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 8 September '11

The MPC's NEO Confirmation Page has 4 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had four objects listed. Of these, one was a "one nighter." So far The Tracking News has counted a total of ten 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 8 September '11

Minor Planet Electronic Circulars

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

MPEC 2011-R32 - "10:34 UT" - 2011 RJ1

MPEC 2011-R31 - "10:31 UT" - 2011 RH1

<< DOU on 8 Sept. '11 >>  MPEC 2011-R30 - "06:05 UT" - Daily Orbit Update

Observers  on 8 September '11

Fifteen observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 2 in MPECs 2011-R30 & 2011-R31 -- 2011 RH1, 2011 OL51
807|Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 14 in MPECs 2011-R30 & 2011-R32 -- 2011 RJ1, 2011 QS49, 2011 QE48, 2011 QC46, 2011 PT, 2011 LJ19, 2010 WF3, 2010 SO16, 2009 EN2, 2008 EZ5, 2008 DH23, 2006 VT2, 2006 HX5, 2003 BO1
I39Cruz del Sur Obs. in Argentina, 1 in MPEC 2011-R32 -- 2011 RJ1
J19El Maestrat Obs. in Spain, 1 in MPEC 2011-R30 -- 1036
E16Grove Creek Obs. in New South Wales, 2 in MPECs 2011-R30 & 2011-R32 -- 2011 RJ1, 2011 MD11
379Hamamatsu-Yuto Obs. in Japan, 5 in MPEC 2011-R30 -- 2011 PT1, 2011 PS, 2011 OV4, 2011 OQ5, 2011 GA55
I16IAA-AI Atacama in Chile, 1 in MPEC 2011-R32 -- 2011 RJ1
I36Los Campitos Obs. in Argentina, 1 in MPEC 2011-R32 -- 2011 RJ1
A24New Millennium Obs. in Italy, 3 in MPEC 2011-R30 -- 37336, 20086, 1917
F51Pan-STARRS 1 (PS1) in Hawaii, 6 in MPECs 2011-R30 & 2011-R31 -- 2011 RH1, 2011 OQ5, 2011 OL5, 2005 TR15, 2004 SX, 2004 QB17
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2011-R32 -- 2011 RJ1
H36Sandlot Obs. in Kansas, 3 in MPECs 2011-R30, 2011-R31 & 2011-R32 -- 2011 RJ1, 2011 RH1, 2011 RF
E12Siding Spring Survey (SSS) in New South Wales, 2 in MPEC 2011-R30 -- 153415, 1916
291Spacewatch 1.8m telescope in Arizona, 2 in MPEC 2011-R30 -- 2004 RU331, 1988 TA
B18Terskol Obs. in Russia, 1 in MPEC 2011-R32 -- 2011 RJ1
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 8 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 8 September '11

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

1614Grabbed MPEC 2011-R30 - Daily Orbit Update - see above
Grabbed MPEC 2011-R31 - 2011 RH1 - see above
Grabbed MPEC 2011-R32 - 2011 RJ1 - see above