NEA 136617 1994 CC with 2 satellites imaged by Goldstone 
radar 12 June 2009. Image credit: NASA/JPL/GSSR.

Goldstone made this radar imagery two months ago today showing asteroid 136617 1994 CC with two moonlets, "only the second triple system known in the near-Earth population" (the other is 153591 2001 SN263). Image credit: NASA/JPL/GSSR.

Contents  on 12 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 12 August '09

The MPC's NEO Confirmation Page has 3 listings: 1 new, 2 updated

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had one new and two updated listings. Of these, two were "one nighters."

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 12 August '09

Minor Planet Electronic Circulars

As of last check at 2342 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

<< DOU on 12 Aug. '09 >>  MPEC 2009-P42 - "06:06 UT" - Daily Orbit Update

Observers  on 12 August '09

Thirteen observing facilities appear in today's MPEC.

CodeObserver / observatory
B03Alter Satzberg Obs. in Austria, 1 in MPEC 2009-P42 -- 2005 TG45
J51Atlante Obs. in the Canary Islands, 6 in MPEC 2009-P42 -- 2009 OZ4, 2009 NH, 2002 NP1, 2002 LV, 17274, 5626
B88Bigmuskie Obs. in Italy, 3 in MPEC 2009-P42 -- 2009 MX6, 163902, 162181
J05Bootes Obs., 3 in MPEC 2009-P42 -- 2009 OC, 2009 NA, 217390
160Castelmartini Obs. in Italy, 10 in MPEC 2009-P42 -- 2009 OC, 2009 NH, 2009 NE, 2009 NA, 2009 MX6, 2009 ML1, 2009 LX, 2009 KL2, 2002 LV, 5626
I21El Condor Obs. in Argentina, 1 in MPEC 2009-P42 -- 2009 OG
E16Grove Creek Obs. in New South Wales, 3 in MPEC 2009-P42 -- 2009 OG, 2009 KC3, 159402
560Madonna di Dossobuono Obs. in Italy, 2 in MPEC 2009-P42 -- 2009 OC, 2000 TO64
A13Naef Obs. in Switzerland, 2 in MPEC 2009-P42 -- 2009 OZ7, 2009 NH
D90|program code "|" (32) via RAS Obs. Moorook in South Australia, 1 in MPEC 2009-P42 -- 3552
E12Siding Spring Survey (SSS) in New South Wales, 7 in MPEC 2009-P42 -- 2009 OF, 2009 KC3, 1999 CW8, 65733, 152637, 12711, 4183
691Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2009-P42 -- 153591
H53Thompsonville Obs. in Illinois, 4 in MPEC 2009-P42 -- 2009 OC, 2002 NP1, 17274, 5626
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 12 August '09

At last check (NEODyS and JPL at 2342 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 12 August '09

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

1608Noted that the NEOCP has become active
1400Grabbed MPEC 2009-P42 - Daily Orbit Update - see above