Contents  on 23 December '07


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 this year 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 23 December '07

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

When last checked at 2237 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had one new and one updated listing. Both of these were "one nighters."

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

New MPECs  on 23 December '07

Minor Planet Electronic Circulars

As of last check at 2237 UTC, there has been one MPEC issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

<< DOU on 23 Dec. '07 >>  MPEC 2007-Y42 - "07:07 UT" - Daily Orbit Update

Observers  on 23 December '07

Six observing facilities appear in today's MPEC.

CodeObserver / observatory
A18Herne Obs. in Germany, 1 in MPEC 2007-Y42 -- 2007 XH16
J37Huelva Obs. in Spain, 1 in MPEC 2007-Y42 -- 2007 XH16
704LINEAR in New Mexico, 1 in MPEC 2007-Y42 -- 2007 WU4
D62Miyaki-Argenteus Obs., 1 in MPEC 2007-Y42 -- 1998 YM4
645Sloan Digital Sky Survey in New Mexico, 1 in MPEC 2007-Y42 -- 2007 WD5
A78Stia Obs. in Italy, 4 in MPEC 2007-Y42 -- 2007 YZ, 2007 YH, 2002 XY4, 68063

Impact Risk Monitoring  on 23 December '07

At last check (NEODyS and JPL at 2237 UTC) there was no risk monitoring news to report yet today. See the CRT for activity in the last month.

Chronology  on 23 December '07

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

1500Grabbed MPEC 2007-Y42 - Daily Orbit Update - see above