The Pan-STARRS PS1 prototype on Haleakala in Hawaii, seen here during its 30 June 2006 dedication, has appeared in MPECs for the first time with today's Daily Orbit Update. Photo by Rob Ratkowski/HAA Maui courtesy of UH Institute for Astronomy (IfA).
Contents on 12 June '09
- Radar Astrometry -- one object
- IAU Minor Planet Center
- NEOCP Activity -- four listings: 1 new, 3 updated
- New MPECs -- two MPECs
- Observers -- thirteen 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 12 June '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 1932 UTC when the database was dated 12 June
- 136617 1994 CC from Goldstone DSS-14 70m antenna (June 12.65 velocity & 12.67 range) - see links
NEOCP Activity on 12 June '09
The MPC's NEO Confirmation Page has 4 listings: 1 new, 3 updated
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had one new and three updated listings. Of these, two were "one nighters."
New MPECs on 12 June '09
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there have been two MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2009-L40 time-stamped "06:06 UT" - Daily Orbit Update - see below
- MPEC 2009-L41 time-stamped "20:36 UT" - 2008 OG19
MPEC 2009-L41 - "20:36 UT" - 2008 OG19
- K08O19G 2008 OG19 (q=38.713 AU, Q=95.567 AU, H=5.9 ~224 km) from Mt. Palomar (May 23.45p1, 24.46p1 & 25.44p1)
<< DOU on 12 June '09 >> MPEC 2009-L40 - "06:06 UT" - Daily Orbit Update
- Observations of recently (no longer) risk-listed objects
- K09K04T 2009 KT4 (almost small, arc=17 days, H=21.8 ~148m) from the Spacewatch 1.8m telescope (June 12.22-23p3)
- K09K04Q 2009 KQ4 (arc=164 days, H=20.4 ~282m) from Spacewatch 1.8m (June 12.16-17p3)
- K09K03C 2009 KC3 (Q=5.452 AU, arc=38 days, H=17.8 ~933m) from BDI Obs. (June 11.38-40p3)
- K09K02L 2009 KL2 (arc=23 days, H=18.1 ~812m) from Madonna di Dossobuono Obs. (June 11.92p3)
- Observations of small asteroids (H>22.0)
- K09L00E 2009 LE (arc=9 days, H=23.6 ~65m) from Paul Roche via Faulkes Telescope North (June 11.53p2)
- K09K04O 2009 KO4 (arc=19 days, H=24.4 ~45m) from Naef Obs. (June 11.97-00p2)
- Observations of almost-small asteroids (21.7<H<=22.0)
- K09L00Q 2009 LQ (arc=1 day, H=21.8 ~148m) from Great Shefford Obs. (June 11.93-94p3)
- Observations of other objects
- K09K02V 2009 KV2 (arc=22 days, H=19.8 ~371m) from Desert Moon Obs. (June 11.18-22p3)
- K09J05R 2009 JR5 (arc=28 days, H=20.3 ~295m) from Spacewatch 1.8m (June 12.23-24p3)
- K09J01G 2009 JG1 (arc=38 days, H=20.8 ~234m) from Desert Moon Obs. (June 11.25-30p3)
- K09H82B 2009 HB82 (Q=4.414 AU, arc=49 days, H=17.6 ~1.02 km) from Desert Moon Obs. (June 11.41-45p3)
- K09H77V 2009 HV77 (arc=52 days, H=20.8 ~234m) from Desert Moon Obs. (June 11.14-16p3)
- K09H02U 2009 HU2 (arc=54 days, H=18.4 ~708m) from Spacewatch 1.8m (June 12.19-21p3)
- K09F29Y 2009 FY29 (arc=72 days, H=20.0 ~339m) from Astronomical Research Obs. (ARO) (June 6.32-35p3)
- K09F19G 2009 FG19 (i=54.5°, Q=5.005 AU, arc=83 days, H=18.0 ~851m) from Spacewatch 1.8m (June 12.18-19p3)
- K09E02Q 2009 EQ2 (arc=96 days, H=20.8 ~234m) from Desert Moon Obs. (June 11.34-37p3)
- K09C03C 2009 CC3 (arc=122 days, H=19.0 ~537m) from ARO (June 6.33-34p3)
- K09B02L 2009 BL2 (arc=145 days, H=19.4 ~446m) from Madonna di Dossobuono Obs. (June 11.88p3)
- K08W60L 2008 WL60 (arc=195 days, H=18.0 ~851m) from ARO (June 5.15-16p3)
- K08S01Q 2008 SQ1 (Q=4.683 AU, arc=2 opp, H=18.5 ~676m) from Pan-STARRS 1 (PS1) (2008 Nov. 2.45-47p2)
- K06H29R 2006 HR29 (arc=4 opp, H=20.7 ~245m) from Madonna di Dossobuono Obs. (June 11.90-91p3)
- K05M13O 2005 MO13 (arc=2 opp, H=20.8 ~234m) from Madonna di Dossobuono Obs. (June 11.89p3)
- K04L02C 2004 LC2 (arc=2 opp, H=18.7 ~616m) from Spacewatch 1.8m (June 12.23-24p3)
- K02V94Y 2002 VY94 (Q=5.376 AU, arc=2 opp, H=16.8 ~1.48 km) from the Siding Spring Survey (SSS) (June 11.38-41p3)
- J98U01N 1998 UN1 (arc=4 opp, H=18.2 ~776m) from ARO (June 6.13-15p3)
- G2900 162900 2001 HG31 from PS1 (2008 Oct. 30.58-59p2 & 2008 Nov. 3.56-57p2)
- 01865 1865 Cerberus (1971 UA) from the Catalina Sky Survey (CSS) (June 11.44-46p4)
Observers on 12 June '09
Thirteen observing facilities appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| H55 | Astronomical Research Obs. (ARO) in Illinois, 4 in MPEC 2009-L40 -- 2009 FY29, 2009 CC3, 2008 WL60, 1998 UN1 |
| E18 | BDI Obs. in New South Wales, 1 in MPEC 2009-L40 -- 2009 KC3 |
| 703 | Catalina Sky Survey in Arizona, 1 in MPEC 2009-L40 -- 1865 |
| 448 | Desert Moon Obs. in New Mexico, 5 in MPEC 2009-L40 -- 2009 KV2, 2009 JG1, 2009 HV77, 2009 HB82, 2009 EQ2 |
| F657 | Paul Roche in Wales via Faulkes Telescope North in Hawaii, 1 in MPEC 2009-L40 -- 2009 LE |
| 253 | Goldstone DSS-14 70m antenna in southern California, 1 in radar -- 136617 |
| J95 | Great Shefford Obs. in England, 1 in MPEC 2009-L40 -- 2009 LQ |
| 560 | Madonna di Dossobuono Obs. in Italy, 4 in MPEC 2009-L40 -- 2009 KL2, 2009 BL2, 2006 HR29, 2005 MO13 |
| 675 | Mt. Palomar in southern California, 1 in MPEC 2009-L41 -- 2008 OG19 |
| A13 | Naef Obs. in Switzerland, 1 in MPEC 2009-L40 -- 2009 KO4 |
| F51 | Pan-STARRS 1 (PS1) in Hawaii, 2 in MPEC 2009-L40 -- 2008 SQ1, 162900 |
| E12 | Siding Spring Survey in New South Wales, 1 in MPEC 2009-L40 -- 2002 VY94 |
| 291 | Spacewatch 1.8m telescope in Arizona, 6 in MPEC 2009-L40 -- 2009 KT4, 2009 KQ4, 2009 JR5, 2009 HU2, 2009 FG19, 2004 LC2 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 12 June '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 12 June '09
Times are UTC for when items were noted or added by The Tracking News.
| 2146 | Grabbed MPEC 2009-L41 - 2008 OG19 - see above |
| 1932 | Noted Radar Astrometry database update - see above |
| 1316 | Grabbed MPEC 2009-L40 - Daily Orbit Update - see above |
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