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Contents  on 23 May '10

• IAU Minor Planet Center
  • NEOCP Activity -- seven listings: 4 new, 3 updated
  • New MPECs -- four MPECs
• Observers -- 28 observing facilities
• Impact Risk Monitoring -- six objects
• Chronology

Resources:

• Consolidated Risk Tables - the CRT page
    Of 324 risk-listed objects, 32 have had news in the last month. Updated at 2359 UTC.
• Earth's Busy Neighborhood Traffic Report
    Nine objects are known to be within ten LD of Earth today. Updated at 2341 UTC.
• 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.

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

NEOCP Activity  on 23 May '10

The MPC's NEO Confirmation Page has 7 listings: 4 new, 3 updated

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

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

New MPECs  on 23 May '10

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been four MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

• MPEC 2010-K43 time-stamped "06:11 UT" - Daily Orbit Update - see below
• MPEC 2010-K44 time-stamped "20:39 UT" - 2010 JV153 - see below
• MPEC 2010-K45 time-stamped "21:24 UT" - 2010 KJ37 - see below
• MPEC 2010-K46 time-stamped "21:26 UT" - 2010 KK37

MPEC 2010-K46 - "21:26 UT" - 2010 KK37

• K10K37K   2010 KK37 (small asteroid, Earth MOID=0.1 LD, H=25.6 ~26m) was discovered at 0458 UT on 23 May by the Mt. Lemmon Survey (MLS), which observed it at May 23.21-30p10. The discovery was confirmed by Astronomical Research Obs. Westfield (May 23.26-27p10), the Catalina Sky Survey (CSS) (May 23.26p4), Sabino Canyon Obs. (May 23.30-32p5), Tzec Maun Obs. Mayhill (May 23.46p2), Farra d'Isonzo Obs. (May 23.86p2), and Wildberg Obs. (May 23.86-88p6). This object will be coming within ten lunar distances (LD) of Earth, reaching 7.2 LD on 24 May.

MPEC 2010-K45 - "21:24 UT" - 2010 KJ37

• K10K37J   2010 KJ37 (risk-listed, H=24.0 ~54m) was discovered at 0426 UT on 23 May by MLS, which observed it at May 23.18-28p14. The discovery was confirmed by ARO Westfield (May 23.31p3) and Sabino Canyon Obs. (May 23.33-35p3).

MPEC 2010-K44 - "20:39 UT" - 2010 JV153

• K10JF3V   2010 JV153 (H=19.9 ~355m) was discovered at 0640 UT on 6 May by the Spacewatch 0.9m telescope, which observed it at May 6.28-32p3, 12.32-35p3, and 23.30-34p3.

<< DOU on 23 May '10 >>  MPEC 2010-K43 - "06:11 UT" - Daily Orbit Update

• Observations of risk-listed objects
• K10K10R   2010 KR10 (arc=2 days, H=19.4 ~446m) from Sandlot Obs. (May 22.39p2)
• K10K10Q   2010 KQ10 (Q=4.031 AU, arc=2 days, H=21.3 ~186m) from the Spacewatch 1.8m telescope (May 22.42-43p3)
• K10K00Q   2010 KQ (small asteroid, arc=6 days, H=28.3 ~7m) from MLS (May 22.16-18p4, 22.25p3 & 22.32p4) and the Siding Spring Survey (SSS) (May 22.40p1, 22.44p1, 22.56p1 & 22.66p1)
• K10J88E   2010 JE88 (arc=8 days, H=21.6 ~162m) from Spacewatch 1.8m (May 22.26-27p3)
• K10J39U   2010 JU39 (i=36.2°, arc=13 days, H=19.4 ~446m) from Magdalena Ridge Obs. (MRO) (May 22.29-32p4)
• Observations of recently (no longer) risk-listed objects
• K10J71N   2010 JN71 (arc=11 days, H=21.4 ~178m) from ARO Westfield (May 22.17-18p4)
• Observations of small asteroids (H>22.0)
• K10K10P   2010 KP10 (arc=2 days, H=23.5 ~68m) from ARO Westfield (May 22.26-27p3), Spacewatch 1.8m (May 22.31p3), and Tenagra II Obs. (May 22.41p3)
• K10K10O   2010 KO10 (arc=3 days, H=26.8 ~15m) from MRO (May 22.18-22p5), ARO Westfield (May 22.23-24p7), Wildberg Obs. (May 22.85-90p10), Hagen Obs. (May 22.90p7 & 22.96p6), and Starkenburg Obs. (May 22.91-03p128)
• K10K08B   2010 KB8 (q=0.238 AU, arc=3 days, H=23.9 ~56m) from ARO Westfield (May 22.20-21p7) and Tenagra II Obs. (May 22.34-35p3)
• K10J77L   2010 JL77 (arc=10 days, H=24.1 ~51m) from ARO Westfield (May 22.28-29p3)
• Observations of almost-small asteroids (21.7<H<=22.0)
• K10K00D   2010 KD (arc=6 days, H=21.9 ~141m) from Tenagra II Obs. (May 22.40p3)
• K10F81C   2010 FC81 (Q=4.340 AU, arc=52 days, H=21.8 ~148m) from University Hills Obs. (May 20.25-26p5 & 21.34-36p5) and Verona Obs. (May 21.88p4)
• Observations of other objects
• K10K08A   2010 KA8 (arc=3 days, H=21.6 ~162m) from Tenagra II Obs. (May 22.31p3)
• K10J88H   2010 JH88 (Q=4.106 AU, arc=8 days, H=18.0 ~851m) from ARO Westfield (May 22.16-18p3)
• K10J88G   2010 JG88 (arc=8 days, H=19.4 ~446m) from ARO Westfield (May 22.18-19p3)
• K10J88F   2010 JF88 (arc=8 days, H=18.5 ~676m) from ARO Westfield (May 22.20-23p3) and Desert Moon Obs. (May 22.30-32p3)
• K10J87G   2010 JG87 (q=0.149 AU, Q=5.215 AU, arc=10 days, H=19.2 ~490m) from Spacewatch 1.8m (May 22.38p2)
• K10J41L   2010 JL41 (arc=12 days, H=20.7 ~245m) from ARO Westfield (May 22.19p4)
• K10J41K   2010 JK41 (Q=4.332 AU, arc=12 days, H=20.1 ~323m) from Desert Moon Obs. (May 21.24-26p5) and ARO Westfield (May 22.28p4)
• K10J34V   2010 JV34 (arc=15 days, H=20.8 ~234m) from Petit Jean Mtn. South Obs. (PJMSO) (May 22.35p8), Atlante Obs. (May 22.89-91p3), and Montcabre Obs. (May 22.96-98p4)
• K10J33K   2010 JK33 (arc=16 days, H=21.0 ~214m) from Desert Moon Obs. (May 22.23-27p3) and Spacewatch 1.8m (May 22.25-26p3)
• K10G30H   2010 GH30 (arc=42 days, H=20.9 ~224m) from ARO Westfield (May 22.20-22p3)
• K10G07T   2010 GT7 (Q=4.569 AU, arc=45 days, H=20.2 ~309m) from Spacewatch 1.8m (May 22.29p3)
• K10E20H   2010 EH20 (arc=76 days, H=18.2 ~776m) from Spacewatch 1.8m (May 22.33-34p3)
• K10D56J   2010 DJ56 (arc=88 days, H=19.4 ~446m) from ARO Westfield (May 22.24-27p3 at V=21.7-22.2)
• K09X11E   2009 XE11 (Q=5.338 AU, arc=2 opp, H=17.0 ~1.35 km) from Desert Moon Obs. (May 22.14-19p3)
• K09V24O   2009 VO24 (arc=2 opp, H=19.7 ~389m) from Mirasteilas Obs. (May 23.02-03p3)
• K09U18V   2009 UV18 (Q=5.185 AU, arc=2 opp, H=16.0 ~2.14 km, q=1.167 AU) from PJMSO (May 22.29-30p5)
• K09K05D   2009 KD5 (arc=3 opp, H=18.3 ~741m) from Vicksburg Obs. (May 22.37-39p3)
• K06E01E   2006 EE1 (i=36.4°, arc=2 opp, H=19.8 ~371m) from WISE (May 17.14p1, 17.27p1, 17.34p1, 17.60p1 & 17.80p1)
• K05W00E   2005 WE (arc=2 opp, H=19.7 ~389m) from WISE (May 17.52p1, 17.58p1 & 17.71p1)
• K05GC0B   2005 GB120 (arc=2 opp, H=20.5 ~269m) from MLS (May 22.36-38p3)
• K04T18B   2004 TB18 (arc=3 opp, H=17.8 ~933m) from Bigmuskie Obs. (May 22.85-87p3)
• K04J20X   2004 JX20 (arc=3 opp, H=19.4 ~446m) from Bagnoud Obs. (May 21.91p3)
• K00H74D   2000 HD74 (i=49.2°, Q=4.664 AU, arc=3 opp, H=18.0 ~851m) from PJMSO (May 22.29p5)
• K00EA4F   2000 EF104 (arc=6 opp, H=18.9 ~562m) from Spacewatch 0.9m (May 22.24-28p3)
• N7442   237442 1999 TA10 from La Sagra Obs. (May 21.90-92p3)
• N2382   232382 2003 BT47 from WISE (May 18.85p1, 18.98p1, 19.11p1, 19.24p1, 19.38p1, 19.51p1, 19.64p1, 19.77p1, 19.91p1, 20.04p1, 20.10p1, 20.17p1, 20.24p1 & 20.30p1)
• N0118   230118 2001 DB3 from WISE (May 18.82p1, 18.96p1, 19.22p1, 19.35p1, 19.49p1, 19.62p1, 19.75p1, 19.88p2, 20.02p2, 20.28p1 & 20.35p1)
• G4121   164121 2003 YT1 from WISE (May 19.36p1, 19.49p1, 19.62p1, 19.75p1, 20.02p1, 20.22p1, 20.28p2 & 20.35p1)
• G3243   163243 2002 FB3 from CSS (May 22.16p4)
• D6874   136874 1998 FH74 from CSS (May 22.34-36p4)
• 52750   52750 1998 KK17 from CSS (May 22.34-36p2)
• 26760   26760 2001 KP41 from WISE (May 17.26p1, 17.39p1, 17.53p1, 17.66p1, 17.73p1, 17.79p1, 17.86p1, 17.92p1, 17.99p1, 18.12p1, 18.25p1 & 18.39p1)
• 18109   18109 2000 NG11 from Mirasteilas Obs. (May 23.04-06p3)
• 12923   12923 Zephyr (1999 GK4) from Mataro Obs. (May 21.93-94p3)
• 06178   6178 1986 DA from WISE (May 16.96p1, 17.10p1, 17.49p1, 17.56p1, 17.63p1, 17.69p1, 17.76p1, 17.82p1, 17.96p1, 18.09p1 & 18.22p1)
• 06050   6050 Miwablock (1992 AE) from MLS (May 22.21-24p4)
• 04055   4055 Magellan (1985 DO2) from Mataro Obs. (May 21.99-00p3)

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Observers  on 23 May '10

A total of 28 observing facilities appear in today's MPECs.

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

Impact Risk Monitoring  on 23 May '10

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 23 May '10

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