Contents on 4 December '09
- Radar Astrometry -- one object
- IAU Minor Planet Center
- NEOCP Activity -- three listings: 3 updated
- New MPECs -- one MPEC
- Observers -- eleven observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
Resources:
- Consolidated Risk Tables - the CRT page
- Earth's Busy Neighborhood Traffic Report
- Ephemerides for risk-rated and nearby objects
- News image catalog
- Old & new CRT Archive
- Old News Archive & Small Objects Archive
The latest A/CC news is available via framed access, 
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.
Radar Astrometry on 4 December '09
Radar observation of one object
The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:
Data update noted at 2200 UTC when the database was dated 4 Dec.
- 2009 WV25 from Goldstone DSS-14 70m antenna (Dec. 2.92 velocity) - see links
NEOCP Activity on 4 December '09
The MPC's NEO Confirmation Page has 3 listings: 3 updated
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had three updated listings. Of these, two were "one nighters."
New MPECs on 4 December '09
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
<< DOU on 4 Dec. '09 >> MPEC 2009-X13 - "07:07 UT" - Daily Orbit Update
- Observations of almost-small asteroids (21.7<H<=22.0)
- K09W11D 2009 WD11 (arc=14 days, H=21.8 ~148m) from Great Shefford Obs. (Dec. 4.02p3)
- Observations of other objects
- K09WA4Z 2009 WZ104 (arc=9 days, H=20.7 ~245m) from Great Shefford Obs. (Dec. 3.79-82p3), Walnut Creek Obs. (Dec. 4.10-11p3), and Tenagra II Obs. (Dec. 4.11p3)
- K09T10E 2009 TE10 (i=44.7°, arc=42 days, H=18.8 ~589m) from Tenagra II Obs. (Nov. 9.09p3 & 10.08p1)
- K05T51Y 2005 TY51 (Q=4.048 AU, arc=2 opp, H=17.7 ~977m) from Grove Creek Obs. (Dec. 3.49-50p3)
- K05R06Q 2005 RQ6 (arc=2 opp, H=18.9 ~562m) from Thompsonville Obs. (Dec. 4.20-21p6)
- K05Q11N 2005 QN11 (arc=148 days, H=19.9 ~355m) from NEAT's USAF Haleakala telescope (2005 Aug. 14.52-54p3 & 2005 Aug. 31.58-60p3)
- K05GC8P 2005 GP128 (Q=4.262 AU, arc=242 days, H=18.5 ~676m) from NEAT/Hawaii (2005 July 7.33-35p3, 2005 July 8.37-38p2 & 2005 Aug. 24.26-28p3)
- M5900 225900 2002 AF3 from Ovidiu Vaduvescu on Mauna Kea (2005 Oct. 26.21p1, 2005 Oct. 26.26p1 & 2005 Oct. 26.31p1)
- L7807 217807 2000 XK44 from Thompsonville Obs. (Dec. 4.22-23p6)
- L7796 217796 2000 TO64 from Grove Creek Obs. (Dec. 3.57-59p5)
- 36284 36284 2000 DM8 from Castelmartini Obs. (Dec. 2.75-76p3)
- 04015 4015 Wilson-Harrington (1979 VA) from Castelmartini Obs. (Dec. 2.81-82p3)
- 03552 3552 Don Quixote (1983 SA) from Castelmartini Obs. (Dec. 2.78p3) and Wishing Star Obs. (Dec. 3.00-01p3)
- 00433 433 Eros (1898 DQ) from Castelmartini Obs. (Dec. 2.78p3) and An Carraig Obs. (Dec. 3.74-77p2)
Observers on 4 December '09
Eleven observing facilities appear in today's MPEC.
| Code | Observer / observatory |
|---|---|
| J16 | An Carraig Obs. in Northern Ireland, 1 in MPEC 2009-X13 -- 433 |
| 160 | Castelmartini Obs. in Italy, 4 in MPEC 2009-X13 -- 36284, 4015, 3552, 433 |
| 253 | Goldstone DSS-14 70m antenna in southern California, 1 in radar -- 2009 WV25 |
| J95 | Great Shefford Obs. in England, 2 in MPEC 2009-X13 -- 2009 WZ104, 2009 WD11 |
| E16 | Grove Creek Obs. in New South Wales, 2 in MPEC 2009-X13 -- 2005 TY51, 217796 |
| 568[ | Ovidiu Vaduvescu on Mauna Kea in Hawaii, 1 in MPEC 2009-X13 -- 225900 |
| 608 | NEAT's USAF Haleakala telescope in Hawaii, 2 in MPEC 2009-X13 -- 2005 QN11, 2005 GP128 |
| 926 | Tenagra II Obs. in Arizona, 2 in MPEC 2009-X13 -- 2009 WZ104, 2009 TE10 |
| H53 | Thompsonville Obs. in Illinois, 2 in MPEC 2009-X13 -- 2005 RQ6, 217807 |
| G56 | Walnut Creek Obs. in northern California, 1 in MPEC 2009-X13 -- 2009 WZ104 |
| I15 | Wishing Star Obs. in Rhode Island, 1 in MPEC 2009-X13 -- 3552 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 4 December '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 4 December '09
Times are UTC for when items were noted or added by The Tracking News.
| 2200 | Noted Radar Astrometry database update - see above |
| 1541 | Grabbed MPEC 2009-X13 - Daily Orbit Update - see above |
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