Aorounga Crater in Chad photographed from the 
ISS 25 July 2009. Image courtesy NASA/JSC.

Aorounga Crater, one of three related impact structures in Chad, photographed from the International Space Station on July 25th this year. See ground photographs here. Photo courtesy of NASA/JSC.

Contents  on 13 August '09


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 13 August '09

The MPC's NEO Confirmation Page has 2 listings: 2 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two updated listings. Both of these were "one nighters." So far The Tracking News has counted a total of five listings on the NEOCP at some point 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 13 August '09

Minor Planet Electronic Circulars

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

MPEC 2009-P45 - "19:51 UT" - 2009 PN

MPEC 2009-P44 - "16:02 UT" - 2006 XQ51

<< DOU on 13 Aug. '09 >>  MPEC 2009-P43 - "06:06 UT" - Daily Orbit Update

Observers  on 13 August '09

Thirteen observing facilities appear in today's MPECs.

CodeObserver / observatory
I08Alianza S4 Obs. in Argentina, 1 in MPEC 2009-P45 -- 2009 PN
H55Astronomical Research Obs. (ARO) in Illinois, 18 in MPEC 2009-P43 -- 2009 PH, 2009 OZ7, 2009 OZ4, 2009 OS5, 2009 OP9, 2009 OC3, 2009 NL, 2009 NH, 2009 NA, 2009 MZ6, 2009 ML1, 2009 KJ22, 2009 KC7, 2009 JK1, 2009 FY29, 2009 DN1, 2009 CC3, 136617
J51Atlante Obs. in the Canary Islands, 1 in MPEC 2009-P43 -- 3753
J05Bootes Obs., 4 in MPEC 2009-P43 -- 2009 NE, 2002 NW16, 2002 LV, 16834
808El Leoncito Obs. in Argentina, 6 in MPEC 2009-P43 -- 52768, 24761, 17274, 162854, 15745, 5620
704LINEAR in New Mexico, 6 in MPEC 2009-P43 -- 2009 OZ4, 2009 NL, 2007 LL, 52750, 17274, 136617
G96Mt. Lemmon Survey in Arizona, 1 in MPEC 2009-P44 -- 2006 XQ51
644NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2009-P44 -- 2006 XQ51
A53Peschiera del Garda Obs. in Italy, 2 in MPEC 2009-P43 -- 2009 OC, 2009 NH
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 3 in MPEC 2009-P43 -- 2009 OC, 2009 NH, 2005 MC
E12Siding Spring Survey (SSS) in New South Wales, 5 in MPEC 2009-P43 -- 2009 KC3, 2009 HV77, 2005 SG19, 214088, 164121
691Spacewatch 0.9m telescope in Arizona, 2 in MPECs 2009-P43 & 2009-P44 -- 2009 PH, 2006 XQ51
H53Thompsonville Obs. in Illinois, 4 in MPEC 2009-P43 -- 2009 OC, 2009 NH, 2002 NP1, 1943
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 13 August '09

At last check (NEODyS and JPL at 2358 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 13 August '09

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

2015Grabbed MPEC 2009-P45 - 2009 PN - see above
1617Grabbed MPEC 2009-P44 - 2006 XQ51 - see above
1406Grabbed MPEC 2009-P43 - Daily Orbit Update - see above