2009-12-06 Tracking News

Contents on 6 December '09

IAU Minor Planet Center
- NEOCP Activity -- three listings: 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
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.

NEOCP Activity on 6 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."

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 6 December '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-X16 time-stamped "07:08 UT" - Daily Orbit Update - see below
MPEC 2009-X17 time-stamped "23:41 UT" - 2002 GP186

MPEC 2009-X17 - "23:41 UT" - 2002 GP186

K02GI6P 2002 GP186 (H=20.2 ~309m) was discovered at 0627 UT on 8 April 2002 from NEAT's Mt. Palomar telescope, where it was observed at 2002 April 3.50-52p3, 2002 April 8.27p1, 2002 April 8.34p1, 2002 April 8.40p1, 2002 April 14.32-37p3, 2002 April 22.22p1, 2002 April 22.28p1, and 2002 April 22.34p1.

<< DOU on 6 Dec. '09 >> MPEC 2009-X16 - "07:08 UT" - Daily Orbit Update

Observations of recently (no longer) risk-listed objects
K09WA4F 2009 WF104 (Q=5.078 AU, arc=11 days, H=16.7 ~1.55 km) from Astronomical Research Obs. Westfield (ARO Westfield) (Dec. 4.17-18p3)
K09W51X 2009 WX51 (Q=5.371 AU, arc=13 days, H=20.2 ~309m) from Preston Hills Obs. (Dec. 5.30-34p9)
Observations of small asteroids (H>22.0)
K09WA6H 2009 WH106 (Q=4.022 AU, arc=9 days, H=22.5 ~107m) from Tenagra II Obs. (Dec. 5.25-26p3)
K09W52A 2009 WA52 (arc=9 days, H=26.3 ~19m) from Great Shefford Obs. (Dec. 1.05p2)
Observations of almost-small asteroids (21.7<H<=22.0)
K09W11D 2009 WD11 (arc=16 days, H=21.9 ~141m) from Preston Hills Obs. (Dec. 5.30-31p2) and Peschiera del Garda Obs. (Dec. 5.90-93p3)
Observations of other objects
K09WD9M 2009 WM139 (arc=8 days, H=18.4 ~708m) from the Siding Spring Survey (SSS) (Dec. 5.46-47p4)
K09WA6D 2009 WD106 (arc=9 days, H=18.8 ~589m) from ARO Westfield (Dec. 4.28-29p4)
K09WA4Z 2009 WZ104 (arc=11 days, H=20.7 ~245m) from Tenagra II Obs. (Dec. 5.24-25p3), Hamamatsu-Yuto Obs. (Dec. 5.47-51p8), Peschiera del Garda Obs. (Dec. 5.81-83p5), Madonna di Dossobuono Obs. (Dec. 5.87p3), and Thompsonville Obs. (Dec. 6.06-07p6)
K09W26C 2009 WC26 (arc=12 days, H=17.2 ~1.23 km) from ARO Westfield (Dec. 4.24p3)
K09W07Z 2009 WZ7 (arc=15 days, H=19.8 ~371m) from ARO Westfield (Dec. 4.29-30p3)
K09W01L 2009 WL1 (arc=17 days, H=18.5 ~676m) from ARO Westfield (Dec. 4.30-31p3)
K09U17X 2009 UX17 (arc=43 days, H=21.6 ~162m) from ARO Westfield (Dec. 4.14-16p3)
K09T08G 2009 TG8 (arc=51 days, H=19.1 ~513m) from ARO Westfield (Dec. 4.34-35p3)
K09J01L 2009 JL1 (arc=231 days, H=21.0 ~214m) from ARO Westfield (Dec. 4.04-05p3)
K08W59B 2008 WB59 (arc=2 opp, H=19.3 ~467m) from Madonna di Dossobuono Obs. (Dec. 5.88p3)
K07H00Z 2007 HZ (arc=3 opp, H=20.2 ~309m) from ARO Westfield (Dec. 4.32-33p3)
K06U00R 2006 UR (arc=2 opp, H=19.2 ~490m) from Peschiera del Garda Obs. (Dec. 5.96-00p3)
K05T51Y 2005 TY51 (Q=4.048 AU, arc=2 opp, H=17.7 ~977m) from Thompsonville Obs. (Dec. 6.07-08p6)
K04T18B 2004 TB18 (arc=3 opp, H=17.6 ~1.02 km) from ARO Westfield (Dec. 4.38-39p3)
K02X14N 2002 XN14 (arc=2 opp, H=19.9 ~355m) from Thompsonville Obs. (Dec. 6.14-15p4)
K02W00P 2002 WP (arc=3 opp, H=18.4 ~708m) from Peschiera del Garda Obs. (Dec. 5.85-88p5), Madonna di Dossobuono Obs. (Dec. 5.88-89p3), and Thompsonville Obs. (Dec. 6.12-13p6)
K02N16W 2002 NW16 (arc=2 opp, H=18.1 ~812m) from Castelmartini Obs. (Dec. 5.70-71p3)
K01T02E 2001 TE2 (arc=5 opp, H=19.9 ~355m) from ARO Westfield (Dec. 4.37-38p3)
E3947 143947 2003 YQ117 from Castelmartini Obs. (Dec. 5.72p3) and Thompsonville Obs. (Dec. 6.02-03p6)
96590 96590 1998 XB from Thompsonville Obs. (Dec. 6.05-06p6)
86326 86326 1999 WK13 from Thompsonville Obs. (Dec. 6.11-12p6)
54789 54789 2001 MZ7 from SSS (Dec. 5.74p2)
36284 36284 2000 DM8 from Castelmartini Obs. (Dec. 5.69p3)
05626 5626 1991 FE from Thompsonville Obs. (Dec. 6.04-05p6)
04015 4015 Wilson-Harrington (1979 VA) from Osaki Obs. (Dec. 1.41-42p3) and Gualba Obs. (Dec. 5.73-75p4)
01580 1580 Betulia (1950 KA) from SSS (Dec. 5.50p1)
00433 433 Eros (1898 DQ) from Thompsonville Obs. (Dec. 6.03-04p6)

Observers on 6 December '09

Thirteen observing facilities appear in today's MPECs.

Code	Observer / observatory
`H21`	Astronomical Research Obs. Westfield (ARO Westfield) in Illinois, 11 in MPEC 2009-X16 -- 2009 WZ7, 2009 WL1, 2009 WF104, 2009 WD106, 2009 WC26, 2009 UX17, 2009 TG8, 2009 JL1, 2007 HZ, 2004 TB18, 2001 TE2
`160`	Castelmartini Obs. in Italy, 3 in MPEC 2009-X16 -- 2002 NW16, 36284, 143947
`J95`	Great Shefford Obs. in England, 1 in MPEC 2009-X16 -- 2009 WA52
`442`	Gualba Obs. in Spain, 1 in MPEC 2009-X16 -- 4015
`379`	Hamamatsu-Yuto Obs. in Japan, 1 in MPEC 2009-X16 -- 2009 WZ104
`560`	Madonna di Dossobuono Obs. in Italy, 3 in MPEC 2009-X16 -- 2009 WZ104, 2008 WB59, 2002 WP
`644`	NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2009-X17 -- 2002 GP186
`D92`	Osaki Obs. in Japan, 1 in MPEC 2009-X16 -- 4015
`A53`	Peschiera del Garda Obs. in Italy, 4 in MPEC 2009-X16 -- 2009 WZ104, 2009 WD11, 2006 UR, 2002 WP
`H28`	Preston Hills Obs. in Texas, 2 in MPEC 2009-X16 -- 2009 WX51, 2009 WD11
`E12`	Siding Spring Survey (SSS) in New South Wales, 3 in MPEC 2009-X16 -- 2009 WM139, 54789, 1580
`926`	Tenagra II Obs. in Arizona, 2 in MPEC 2009-X16 -- 2009 WZ104, 2009 WH106
`H53`	Thompsonville Obs. in Illinois, 9 in MPEC 2009-X16 -- 2009 WZ104, 2005 TY51, 2002 XN14, 2002 WP, 96590, 86326, 143947, 5626, 433

For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring on 6 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 6 December '09

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

2358	Grabbed MPEC 2009-X17 - 2002 GP186 - see above
1629	Grabbed MPEC 2009-X16 - Daily Orbit Update - see above

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