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Contents  on 26 January '10

• IAU Minor Planet Center
  • NEOCP Activity -- six listings: 3 new, 3 updated
  • New MPECs -- two MPECs
• Observers -- seventeen 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.

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NEOCP Activity  on 26 January '10

The MPC's NEO Confirmation Page has 6 listings: 3 new, 3 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had three new and three updated listings. Of these, three were "one nighters." So far The Tracking News has counted a total of seven listings on the NEOCP at some point today.

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

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New MPECs  on 26 January '10

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 2010-B42 time-stamped "07:13 UT" - Daily Orbit Update - see below
• MPEC 2010-B43 time-stamped "19:05 UT" - 2010 BZ4

MPEC 2010-B43 - "19:05 UT" - 2010 BZ4

• K10B04Z   2010 BZ4 (small asteroid, Q=5.206 AU, H=22.1 ~129m) was discovered at 0643 UT on 25 Jan. by LINEAR, which observed it at Jan. 25.28-33p4. The discovery was confirmed by Remanzacco Obs. (Jan. 25.00p2) and Sandlot Obs. (Jan. 26.43-46p5).

<< DOU on 26 Jan. '10 >>  MPEC 2010-B42 - "07:13 UT" - Daily Orbit Update

• Observations of recently (no longer) risk-listed objects
• K10B02U   2010 BU2 (small asteroid, arc=5 days, H=24.6 ~41m) from Los Molinos Obs. (Jan. 25.19-20p7), Tenagra II Obs. (Jan. 25.30-35p6), and Petit Jean Mtn. South Obs. (PJMSO) (Jan. 26.17-18p12)
• K10A00K   2010 AK (arc=19 days, H=19.4 ~446m) from Desert Moon Obs. (Jan. 25.15-20p3)
• K09Y06S   2009 YS6 (i=147.8°, q=1.622 AU, Q=39.807 AU, arc=36 days, H=14.1 ~5.13 km) from David Tholen's team on Mauna Kea (Jan. 19.61p1)
• Observations of small asteroids (H>22.0)
• K10B00C   2010 BC (arc=9 days, H=22.2 ~123m) from Tenagra II Obs. (Jan. 25.55p3)
• K10A61N   2010 AN61 (arc=10 days, H=27.0 ~13m) from Tenagra II Obs. (Jan. 25.29p3)
• K10A40G   2010 AG40 (arc=13 days, H=22.1 ~129m) from Tenagra II Obs. (Jan. 25.54p3)
• K10A30J   2010 AJ30 (arc=14 days, H=22.6 ~102m) from Schiaparelli Obs. (Jan. 16.06-07p5)
• Observations of almost-small asteroids (21.7<H<=22.0)
• K10A60O   2010 AO60 (arc=11 days, H=21.9 ~141m) from PJMSO (Jan. 25.28p6 & 26.21-22p7)
• Observations of other objects
• K10B03T   2010 BT3 (Q=4.155 AU, arc=2 days, H=21.7 ~155m) from Moletai Obs. (Jan. 24.94-95p5) and Tenagra II Obs. (Jan. 25.32-33p3)
• K10B03C   2010 BC3 (Q=5.343 AU, arc=4 days, H=20.2 ~309m) from Tenagra II Obs. (Jan. 25.55p3)
• K10B03B   2010 BB3 (arc=5 days, H=20.2 ~309m) from PJMSO (Jan. 25.29-30p6 & 26.24-26p7), Tenagra II Obs. (Jan. 25.35p3), and Desert Moon Obs. (Jan. 25.38-39p3)
• K10B02G   2010 BG2 (i=43.3°, q=0.313 AU, Q=6.655 AU, arc=8 days, H=20.1 ~323m) from H. Sato via RAS Obs. Mayhill (Jan. 25.27p3) and PJMSO (Jan. 25.30-31p7 & 26.23-24p7)
• K10A00E   2010 AE (arc=19 days, H=19.5 ~426m) from Schiaparelli Obs. (Jan. 16.04-05p5)
• K09U18V   2009 UV18 (Q=5.187 AU, arc=2 opp, H=15.7 ~2.45 km, q=1.167 AU) from PJMSO (Jan. 25.43-44p5)
• K08V77T   2008 VT77 (arc=26 days, H=14.8 ~3.71 km, q=1.264 AU) from the Mt. Lemmon Survey (MLS) (2008 Nov. 6.44-45p4 discovery & 2008 Nov. 30.33-35p4) and LINEAR (2008 Dec. 1.26-31p4 & 2008 Dec. 2.20-24p4)
• K08J00G   2008 JG (arc=3 opp, H=20.9 ~224m) from Tanti Obs. (Jan. 26.20-21p3)
• K07U03R   2007 UR3 (arc=3 opp, H=21.2 ~195m) from Wishing Star Obs. (Jan. 23.99-01p3) and PJMSO (Jan. 26.15-16p5)
• K07B29G   2007 BG29 (arc=3 opp, H=18.0 ~851m) from Desert Moon Obs. (Jan. 25.46-47p3)
• K06U00R   2006 UR (arc=2 opp, H=19.4 ~446m) from the Siding Spring Survey (SSS) (Jan. 25.72-74p2)
• K06D14S   2006 DS14 (arc=3 opp, H=20.2 ~309m) from Tanti Obs. (Jan. 26.25-26p3)
• K05M00C   2005 MC (Q=4.167 AU, arc=3 opp, H=16.7 ~1.55 km) from PJMSO (Jan. 26.21p5)
• K04X50D   2004 XD50 (arc=2 opp, H=18.6 ~645m) from PJMSO (Jan. 25.29p5 & 26.22-23p5)
• K03B00H   2003 BH (arc=4 opp, H=20.6 ~257m) from Castelmartini Obs. (Jan. 22.81p3)
• K02P06P   2002 PP6 (arc=4 opp, H=18.9 ~562m) from Desert Moon Obs. (Jan. 25.13p4)
• K02N16W   2002 NW16 (arc=2 opp, H=18.1 ~812m) from Castelmartini Obs. (Jan. 22.79p3)
• K01D03B   2001 DB3 (Q=4.185 AU, arc=4 opp, H=17.3 ~1.17 km) from Desert Moon Obs. (Jan. 25.50-52p2)
• K01B10E   2001 BE10 (arc=4 opp, H=19.1 ~513m) from Hamamatsu-Yuto Obs. (Jan. 24.71-73p4)
• K00CA1O   2000 CO101 (arc=2 opp, H=19.0 ~537m) from LINEAR (Jan. 25.49-53p4)
• L9071   219071 1997 US9 from Los Molinos Obs. (Jan. 25.25-27p3)
• 88263   88263 2001 KQ1 from Los Molinos Obs. (Jan. 25.28-30p4)
• 21088   21088 1992 BL2 from SSS (Jan. 25.69-74p4)
• 04015   4015 Wilson-Harrington (1979 VA) from PJMSO (Jan. 18.01-02p5) and Castelmartini Obs. (Jan. 22.80-81p3)
• 01627   1627 Ivar (1929 SH) from LINEAR (Jan. 10.40-42p2)

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Observers  on 26 January '10

Seventeen observing facilities appear in today's MPECs.

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Impact Risk Monitoring  on 26 January '10

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.

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Chronology  on 26 January '10

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