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Contents  on 24 January '08

• IAU Minor Planet Center
  • NEOCP Activity -- none
  • New MPECs -- nine MPECs
  • Observers -- eleven observing facilities
• Impact Risk Monitoring -- one object
• 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 24 January '08

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty. There were two listings noted earlier today.

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

New MPECs  on 24 January '08

Minor Planet Electronic Circulars

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

• MPEC 2008-B38 time-stamped "07:07 UT" - Daily Orbit Update - see below
• MPEC 2008-B39 time-stamped "16:59 UT" - Observable Comets - see below
• MPEC 2008-B40 time-stamped "17:36 UT" - Distant Minor Planets - see below
• MPEC 2008-B41 time-stamped "17:42 UT" - Atens and Apollos - see below
• MPEC 2008-B42 time-stamped "17:42 UT" - Amors - see below
• MPEC 2008-B43 time-stamped "17:42 UT" - Unusual Minor Planets - see below
• MPEC 2008-B44 time-stamped "17:42 UT" - PHAs - see below
• MPEC 2008-B45 time-stamped "19:09 UT" - Comets C/2007 X6, 2007 X7, 2007 X8, 2007 X9 (SOHO) - see below
• MPEC 2008-B46 time-stamped "19:16 UT" - Comets C/2007 X10, 2007 X11, 2007 X12, 2007 X13 (SOHO)

MPEC 2008-B46 - "19:16 UT" - Comets C/2007 X10, 2007 X11, 2007 X12, 2007 X13 (SOHO)

• CK07X130   C/2007 X13 from the LASCO Coronagraph 2 on the Solar & Heliospheric Obs. (SOHO) (Dec. 14.09p2 & 14.13-21p14)
• CK07X120   C/2007 X12 from the LASCO Coronagraph 3 on the Solar & Heliospheric Obs. (SOHO) (Dec. 13.74-78p6 & 13.82p2) and SOHO C2 (Dec. 13.83-85p6, 13.90-94p6 & 13.98p2)
• CK07X110   C/2007 X11 from SOHO C2 (Dec. 12.56-69p16)
• CK07X100   C/2007 X10 from SOHO C3 (Dec. 12.49-53p6, 12.61-65p6, 12.70-78p8, 12.82-93p10, 12.97-53p48, 13.57-61p6, 13.65-78p14, 13.82-85p4, 13.89-93p6, 13.97-03p8 & 14.07p2) and SOHO C2 (Dec. 14.06-35p40)

MPEC 2008-B45 - "19:09 UT" - Comets C/2007 X6, 2007 X7, 2007 X8, 2007 X9 (SOHO)

• CK07X090   C/2007 X9 from SOHO C3 (Dec. 12.18-28p12) and SOHO C2 (Dec. 12.31-50p20)
• CK07X080   C/2007 X8 from SOHO C3 (Dec. 10.64-76p12 & 10.82p2) and SOHO C2 (Dec. 10.84-04p26)
• CK07X070   C/2007 X7 from SOHO C2 (Dec. 10.38-52p20)
• CK07X060   C/2007 X6 from SOHO C2 (Dec. 10.31-34p6 & 10.38-44p10)

MPEC 2008-B44 - "17:42 UT" - PHAs

MPEC 2008-B43 - "17:42 UT" - Unusual Minor Planets

MPEC 2008-B42 - "17:42 UT" - Amors

MPEC 2008-B41 - "17:42 UT" - Atens and Apollos

MPEC 2008-B40 - "17:36 UT" - Distant Minor Planets

MPEC 2008-B39 - "16:59 UT" - Observable Comets

<< DOU on 24 Jan. '08 >>  MPEC 2008-B38 - "07:07 UT" - Daily Orbit Update

• Observations of risk-listed objects
• K08A04F   2008 AF4 (arc=13 days, H=19.8 ~371m) from Malaga Obs. (Jan. 20.00-02p3) and Greiner Research Obs. (Jan. 23.17p10)
• Observations of recently (no longer) risk-listed objects
• K08A33K   2008 AK33 (arc=5 days, H=20.6 ~257m) from Astronomical Research Obs. (ARO) (Jan. 20.10-11p3)
• K08A04E   2008 AE4 from the Mt. Lemmon Survey (MLS) (Jan. 21.28p4)
• Observations of other objects
• K08A28V   2008 AV28 from the Spacewatch 0.9m telescope (Jan. 20.36-39p3)
• K07Y56T   2007 YT56 from Spacewatch 0.9m (Jan. 19.15p1)
• K07T24U   2007 TU24 (arc=104 days, H=20.2 ~309m) from the Siding Spring Survey (SSS) (Jan. 23.44-45p2)
• K06N00M   2006 NM from Spacewatch 0.9m (Jan. 19.23-26p3)
• K06K01T   2006 KT1 from Spacewatch 0.9m (Jan. 19.28-32p2 & 20.23-25p2)
• K06BE8A   2006 BA148 from Spacewatch 0.9m (Jan. 20.47-51p3)
• K05T45U   2005 TU45 (arc=3 opp, H=17.1 ~1.29 km) from Madonna di Dossobuono Obs. (Jan. 23.92p3)
• K04BC1G   2004 BG121 from Spacewatch 0.9m (Jan. 20.24-27p3)
• K03Q90B   2003 QB90 from Spacewatch 0.9m (Jan. 19.23p1)
• K02RB8C   2002 RC118 (Q=4.624 AU, arc=2 opp, H=16.7 ~1.55 km) from SSS (Jan. 23.47-50p4)
• K00C59H   2000 CH59 (arc=3 opp, H=19.9 ~355m) from Madonna di Dossobuono Obs. (Jan. 23.93p3)
• J99R28Q   1999 RQ28 from Spacewatch 0.9m (Jan. 20.34p1)
• J89A00Z   1989 AZ (arc=3 opp, H=19.7 ~389m) from Greiner Research Obs. (Jan. 24.21-23p8)
• H0891   170891 2004 TY16 from Greiner Research Obs. (Jan. 23.15p9)
• G2058   162058 1997 AE12 from Spacewatch 0.9m (Jan. 20.42-45p3)
• F3591   153591 2001 SN263 from Greiner Research Obs. (Jan. 23.13p10)
• E3678   143678 2003 SA224 from Stia Obs. (Jan. 22.79-80p4)
• 99935   99935 2002 AV4 from Stia Obs. (Jan. 22.84-85p3)
• 90403   90403 2003 YE45 from Greiner Research Obs. (Jan. 24.19-21p9)
• 86324   86324 1999 WA2 from Stia Obs. (Jan. 22.81-83p4)
• 68359   68359 2001 OZ13 from Greiner Research Obs. (Jan. 23.16-17p7)
• 66407   66407 1999 LQ28 from Bergen-Enkheim Obs. (Jan. 22.93-96p6)
• 09400   9400 1994 TW1 from Lulin Minor Bodies Tracking (LIMIT) (Jan. 20.80-81p3)
• 09172   9172 Abhramu (1989 OB) from Spacewatch 0.9m (Jan. 20.13-16p3)
• 05131   5131 1990 BG from Greiner Research Obs. (Jan. 23.16p8)
• 04954   4954 Eric (1990 SQ) from Malaga Obs. (Jan. 20.84-86p3) and Greiner Research Obs. (Jan. 23.13-14p10)
• 03288   3288 Seleucus (1982 DV) from Madonna di Dossobuono Obs. (Jan. 23.89-90p3)
• 01862   1862 Apollo (1932 HA) from Madonna di Dossobuono Obs. (Jan. 23.90-91p3)
• 01685   1685 Toro (1948 OA) from Greiner Research Obs. (Jan. 23.11p9)
• 01036   1036 Ganymed (1924 TD) from Greiner Research Obs. (Jan. 23.11-12p26)

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Observers  on 24 January '08

Eleven observing facilities appear in today's MPECs.

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Impact Risk Monitoring  on 24 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 24 January '08

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