Contents on 18 March '08
- Radar Astrometry -- one object
- IAU Minor Planet Center
- NEOCP Activity -- five listings: 2 new, 3 updated
- New MPECs -- one MPEC
- Observers -- nine 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
- 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 18 March '08
Radar observation of one object
The JPL Solar System Dynamics Group Radar Astrometry database has added the following small-body radar observing work:
Data addition noted at 2310 UTC when the database was dated 18 March
- 2007 FY20 from Arecibo (2007 March 31.04 velocity)
NEOCP Activity on 18 March '08
The MPC's NEO Confirmation Page has 5 listings: 2 new, 3 updated
When last checked at 2309 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had two new and three updated listings. All of these were "one nighters."
New MPECs on 18 March '08
Minor Planet Electronic Circulars
As of last check at 2309 UTC, there has been one MPEC issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
<< DOU on 18 Mar. '08 >> MPEC 2008-F07 - "06:12 UT" - Daily Orbit Update
- Observations of recently (no longer) risk-listed objects
- K08E07O 2008 EO7 (arc=9 days, H=19.5 ~426m) from the Spacewatch 0.9m telescope (March 13.28-31p3)
- Observations of small asteroids (H>22.0)
- K08E85J 2008 EJ85 (arc=4 days, H=25.2 ~31m) from Jim Young via Table Mtn. Obs. (March 18.17-19p4)
- Observations of other objects
- K08D00W 2008 DW (arc=19 days, H=21.5 ~170m) from Spacewatch 0.9m (March 12.22-26p3) and the Spacewatch 1.8m telescope (March 15.27p3)
- K08D00C 2008 DC (arc=26 days, H=19.9 ~355m) from the Mt. Lemmon Survey (MLS) (March 15.16p4)
- K08CB6S 2008 CS116 (Q=4.556 AU, arc=124 days, H=20.8 ~234m) from Spacewatch 0.9m (March 16.25-28p3)
- K08C72L 2008 CL72 (arc=39 days, H=19.8 ~371m) from the Catalina Sky Survey (CSS) (March 13.29-31p4)
- K08C22B 2008 CB22 (arc=35 days, H=19.6 ~407m) from CSS (March 13.32-35p4)
- K08B22C 2008 BC22 (arc=65 days, H=19.8 ~371m) from Spacewatch 0.9m (March 16.25-28p3)
- K08B18T 2008 BT18 (arc=42 days, H=18.3 ~741m) from CSS (March 13.19-21p4)
- K07V04Q 2007 VQ4 (arc=3 opp, H=15.8 ~2.34 km, q=1.271 AU) from Hamamatsu-Yuto Obs. (March 17.71-74p3)
- K07RE7T 2007 RT147 (arc=182 days, H=18.2 ~776m) from MLS (March 12.13-15p4)
- G3693 163693 Atira (2003 CP20) from Montana Blanca Obs. (March 17.88-90p3)
- F2931 152931 2000 EA107 from Puzol Obs. (March 17.89p1)
- E1432 141432 2002 CQ11 from Spacewatch 0.9m (March 16.19-23p3)
- 03554 3554 Amun (1986 EB) from Puzol Obs. (March 17.83-86p3)
- 02059 2059 Baboquivari (1963 UA) from Spacewatch 0.9m (March 16.24-28p3)
Observers on 18 March '08
Nine observing facilities appear in today's MPEC.
| Code | Observer / observatory |
|---|---|
| 251 | Arecibo in Puerto Rico, 1 in radar -- 2007 FY20 |
| 703 | Catalina Sky Survey (CSS) in Arizona, 3 in MPEC 2008-F07 -- 2008 CL72, 2008 CB22, 2008 BT18 |
| 379 | Hamamatsu-Yuto Obs. in Japan, 1 in MPEC 2008-F07 -- 2007 VQ4 |
| J46 | Montana Blanca Obs. in the Canary Islands, 1 in MPEC 2008-F07 -- 163693 |
| G96 | Mt. Lemmon Survey (MLS) in Arizona, 2 in MPEC 2008-F07 -- 2008 DC, 2007 RT147 |
| J42 | Puzol Obs. in Spain, 2 in MPEC 2008-F07 -- 152931, 3554 |
| 691 | Spacewatch 0.9m telescope in Arizona, 6 in MPEC 2008-F07 -- 2008 EO7, 2008 DW, 2008 CS116, 2008 BC22, 141432, 2059 |
| 291 | Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2008-F07 -- 2008 DW |
| 6735 | Jim Young via Table Mtn. Obs. in southern California, 1 in MPEC 2008-F07 -- 2008 EJ85 |
Impact Risk Monitoring on 18 March '08
At last check (NEODyS and JPL at 2309 UTC) there was no risk monitoring news to report yet today. See the CRT for activity in the last month and our ephemerides page for a list of objects under current observation.
Chronology on 18 March '08
Times are UTC for when items were noted or added by The Tracking News.
| 2310 | Noted Radar Astrometry database addition - see above |
| 1419 | Grabbed MPEC 2008-F07 - Daily Orbit Update - see above |
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