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Contents  on 29 January '08

• IAU Minor Planet Center
  • NEOCP Activity -- none
  • New MPECs -- four MPECs
  • Observers -- sixteen observing facilities
• Impact Risk Monitoring -- two objects
• 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.

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NEOCP Activity  on 29 January '08

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty and hasn't been noted by The Tracking News as being active yet today (last checked at 2354 UTC).

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

New MPECs  on 29 January '08

Minor Planet Electronic Circulars

As of last check at 2354 UTC, there have been four MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

• MPEC 2008-B58 time-stamped "07:07 UT" - Daily Orbit Update - see below
• MPEC 2008-B59 time-stamped "19:49 UT" - 2007 YV29 - see below
• MPEC 2008-B60 time-stamped "23:07 UT" - 2005 BT1 - see below
• MPEC 2008-B61 time-stamped "23:17 UT" - Comets C/2007 Y8, 2007 Y9, 2007 Y10, 2008 A3 (SOHO)

MPEC 2008-B61 - "23:17 UT" - Comets C/2007 Y8, 2007 Y9, 2007 Y10, 2008 A3 (SOHO)

• CK08A030   C/2008 A3 from the LASCO Coronagraph 2 on the Solar & Heliospheric Obs. (SOHO) (Jan. 15.59p2, 15.63-71p14 & 15.98-10p20)
• CK07Y100   C/2007 Y10 from the LASCO Coronagraph 3 on the Solar & Heliospheric Obs. (SOHO) (Dec. 28.99-03p6, 29.07-11p6, 29.18p2, 29.22-28p8, 29.32p2, 29.40-78p34, 29.82-93p12 & 29.97-14p16) and SOHO C2 (Dec. 30.15-19p8 & 30.23-25p6)
• CK07Y090   C/2007 Y9 from SOHO C3 (Dec. 28.64-72p8, 28.78p2 & 28.85-93p10)
• CK07Y080   C/2007 Y8 from SOHO C2 (Dec. 28.08-20p18)

MPEC 2008-B60 - "23:07 UT" - 2005 BT1

• K05B01T   2005 BT1 (i=63.7°, q=0.381 AU, H=19.2 ~490m) from NEAT's Mt. Palomar telescope (2002 Jan. 7.54-55p2), Great Shefford Obs. (Jan. 29.07-08p5), and Schiaparelli Obs. (Jan. 29.75-78p2)

MPEC 2008-B59 - "19:49 UT" - 2007 YV29

• K07Y29V   2007 YV29 (H=18.8 ~589m) from NEAT/Palomar (2002 April 11.49-51p3, 2002 May 6.37-39p3, 2002 May 12.35p1 & 2002 May 12.42p1) and Great Shefford Obs. (Jan. 29.09-10p3)

<< DOU on 29 Jan. '08 >>  MPEC 2008-B58 - "07:07 UT" - Daily Orbit Update

• Observations of risk-listed objects
• K08A04F   2008 AF4 (arc=19 days, H=19.8 ~371m) from Capannoli Obs. (Jan. 28.98-00p2) and Great Shefford Obs. (Jan. 29.11p3)
• Observations of recently (no longer) risk-listed objects
• K08A33K   2008 AK33 (arc=12 days, H=20.6 ~257m) from Astronomical Research Obs. (ARO) (Jan. 25.14-15p2 & 27.04-07p3)
• K08A00E   2008 AE (arc=2 opp, H=19.6 ~407m) from ARO (Jan. 27.33-34p3)
• K07Y29V   2007 YV29 (arc=32 days, H=18.8 ~589m) from Great Shefford Obs. (Jan. 29.09-10p3)
• Observations of small asteroids (H>22.0)
• K08B00E   2008 BE (arc=10 days, H=22.8 ~93m) from ARO (Jan. 27.31-32p3)
• K08A28W   2008 AW28 (arc=14 days, H=22.1 ~129m) from ARO (Jan. 25.22-24p3)
• K07Y56N   2007 YN56 (arc=26 days, H=23.0 ~85m) from ARO (Jan. 25.09-11p3 at V=22.1)
• Observations of other objects
• K08B02U   2008 BU2 (i=38.2°, q=0.362 AU, arc=8 days, H=18.5 ~676m) from ARO (Jan. 27.20-21p3)
• K08A32F   2008 AF32 (arc=10 days, H=21.0 ~214m) from ARO (Jan. 23.37-38p3)
• K08A26U   2008 AU26 (arc=28 days, H=21.1 ~204m) from ARO (Jan. 27.30-31p3)
• K08A01G   2008 AG1 (arc=21 days, H=21.1 ~204m) from ARO (Jan. 27.27-29p5)
• K07X20J   2007 XJ20 (arc=2 opp, H=18.4 ~708m) from ARO (Jan. 23.11-12p3)
• K07X09Y   2007 XY9 (arc=55 days, H=21.0 ~214m) from ARO (Jan. 28.05-08p3 at V=22.3-5)
• K07VI6H   2007 VH186 (arc=75 days, H=20.2 ~309m) from ARO (Jan. 25.05-07p3 at V=22.1)
• K07V04Q   2007 VQ4 (arc=3 opp, H=15.8 ~2.34 km, q=1.271 AU) from Iluro Obs. (Jan. 27.12-13p3)
• K07T24U   2007 TU24 (arc=110 days, H=20.6 ~257m) from Boambee Obs. (Jan. 27.42-43p3 & 28.42p3), Cockfield Obs. (Jan. 27.78p1), Gnosca Obs. (Jan. 28.72-75p5), Madonna di Dossobuono Obs. (Jan. 28.74p3), Eschenberg Obs. (Jan. 28.75p2), and Schiaparelli Obs. (Jan. 28.79p5 & 28.90p5)
• K07T23B   2007 TB23 (i=38.3°, arc=107 days, H=18.7 ~616m) from ARO (Jan. 25.01-04p3)
• K07S02V   2007 SV2 (arc=129 days, H=21.2 ~195m) from ARO (Jan. 23.13-14p5) and Lumezzane Obs. (Jan. 26.77-78p3)
• K07RE7T   2007 RT147 (arc=133 days, H=18.2 ~776m) from ARO (Jan. 23.08-10p3)
• K05T45U   2005 TU45 (arc=3 opp, H=17.1 ~1.29 km) from Lumezzane Obs. (Jan. 26.92-93p4)
• K05N07B   2005 NB7 (arc=3 opp, H=18.6 ~645m) from the Siding Spring Survey (SSS) (Jan. 27.56-59p4)
• K04A01R   2004 AR1 (arc=3 opp, H=19.8 ~371m) from ARO (Jan. 23.31-33p3)
• K00C59H   2000 CH59 (arc=3 opp, H=19.9 ~355m) from Lumezzane Obs. (Jan. 26.93-94p3)
• J93T02Q   1993 TQ2 (arc=2 opp, H=20.0 ~339m) from Madonna di Dossobuono Obs. (Jan. 28.90p3)
• F3591   153591 2001 SN263 from Lumezzane Obs. (Jan. 26.76-77p4) and Schiaparelli Obs. (Jan. 26.95p3)
• D7427   137427 1999 TF211 from SSS (Jan. 27.72-74p4)
• 85709   85709 1998 SG36 from SSS (Jan. 27.55-58p4)
• 13553   13553 1992 JE from ARO (Jan. 25.41-42p3)
• 07977   7977 1977 QQ5 from Lumezzane Obs. (Jan. 26.91-92p4)
• 04954   4954 Eric (1990 SQ) from Mt. Tuffley Obs. (Jan. 29.03-04p3)
• 04450   4450 Pan (1987 SY) from Iluro Obs. (Jan. 27.10-11p3)
• 01981   1981 Midas (1973 EA) from ARO (Jan. 23.21-23p3)
• 01862   1862 Apollo (1932 HA) from Madonna di Dossobuono Obs. (Jan. 26.93-94p3)
• 01036   1036 Ganymed (1924 TD) from Laietania Obs. (Jan. 25.99-05p3, 26.79-83p2 & 26.87p1) and Mt. Tuffley Obs. (Jan. 29.02-03p3)

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Observers  on 29 January '08

Sixteen observing facilities appear in today's MPECs.

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Impact Risk Monitoring  on 29 January '08

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" to learn more.

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Chronology  on 29 January '08

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