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Contents  on 8 August '10

• IAU Minor Planet Center
  • NEOCP Activity -- six listings: 4 new, 2 updated
  • New MPECs -- four MPECs
• Observers -- nineteen observing facilities
• Impact Risk Monitoring -- two objects
• Chronology

Resources:

• Consolidated Risk Tables - the CRT page
    Of 323 risk-listed objects, 18 have had news in the last month. Updated at 1459 UTC.
• Earth's Busy Neighborhood Traffic Report
    Two objects are known to be within ten LD of Earth today. Updated at 1625 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 8 August '10

The MPC's NEO Confirmation Page has 6 listings: 4 new, 2 updated

When last checked at 2356 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had four new and two updated listings. Of these, three 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 8 August '10

Minor Planet Electronic Circulars

As of last check at 2356 UTC, there have been four MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

• MPEC 2010-P39 time-stamped "01:03 UT" - 2010 PM10 - see below
• MPEC 2010-P40 time-stamped "06:10 UT" - Daily Orbit Update - see below
• MPEC 2010-P41 time-stamped "17:11 UT" - 2010 PQ10 - see below
• MPEC 2010-P42 time-stamped "17:14 UT" - 2010 PR10

MPEC 2010-P42 - "17:14 UT" - 2010 PR10

• K10P10R   2010 PR10 (borderline-small, H=21.9 ~141m) was discovered at 1627 UT on 6 Aug. by the Siding Spring Survey (SSS), which observed it at Aug. 6.69-73p4, 6.78p1, 7.52p2, and 8.59-60p2. The discovery was confirmed by Shenton Park Obs. (Aug. 6.84-85p3, 7.54-57p5, 7.65-67p3 & 8.63-64p3).

MPEC 2010-P41 - "17:11 UT" - 2010 PQ10

• K10P10Q   2010 PQ10 (H=21.4 ~178m) was discovered at 1336 UT on 6 Aug. by SSS, which observed it at Aug. 6.57-58p2, 6.63-64p3, 6.68p1, 6.77p1, and 7.46-48p4. The discovery was confirmed by Shenton Park Obs. (Aug. 6.82-84p6, 7.50-52p6, 7.63-64p3 & 8.54-55p4).

<< DOU on 8 Aug. '10 >>  MPEC 2010-P40 - "06:10 UT" - Daily Orbit Update

• Observations of risk-listed objects
• K10P09M   2010 PM9 (arc=2 days, H=19.8 ~371m) from Astronomical Research Obs. Westfield (Aug. 7.25-27p4) and Shenton Park Obs. (Aug. 7.83-87p3)
• Observations of small asteroids (H>22.0)
• K10P09J   2010 PJ9 (arc=4 days, H=24.8 ~37m) from Kevin Hills via RAS Obs. Moorook (Aug. 6.74p3), Pallerols Obs. (Aug. 6.88-90p4), LINEAR (Aug. 7.28-32p5), Shenton Park Obs. (Aug. 7.64p3), Eschenberg Obs. (Aug. 7.82-83p7), Castelmartini Obs. (Aug. 7.92p3), and Great Shefford Obs. (Aug. 8.02-03p3)
• K10P09H   2010 PH9 (arc=4 days, H=26.6 ~16m) from Shenton Park Obs. (Aug. 7.80p2)
• K10P02Q   2010 PQ2 (arc=4 days, H=24.5 ~43m) from Shenton Park Obs. (Aug. 7.82-83p2)
• K10P02O   2010 PO2 (arc=6 days, H=23.3 ~74m) from Castelmartini Obs. (Aug. 6.88-89p3 & 7.89-90p3) and ARO Westfield (Aug. 7.17-18p6)
• Observations of almost-small asteroids (21.7<H<=22.0)
• K10P09K   2010 PK9 (q=0.221 AU, arc=3 days, H=22.0 ~135m) from Hills/RAS Moorook (Aug. 6.64-65p4), Pallerols Obs. (Aug. 6.87-89p4), Shenton Park Obs. (Aug. 7.64-65p3), and Eschenberg Obs. (Aug. 7.87p3)
• K10P00J   2010 PJ (arc=6 days, H=21.8 ~148m) from Shenton Park Obs. (Aug. 7.81-82p3)
• K00A06A   2000 AA6 (arc=2 opp, H=22.0 ~135m) from LINEAR (Aug. 7.27-32p5) and Eschenberg Obs. (Aug. 7.84-85p5)
• Observations of other objects
• K10P09L   2010 PL9 (arc=2 days, H=19.8 ~371m) from LINEAR (Aug. 7.27-32p4)
• K10OA1N   2010 ON101 (arc=8 days, H=20.4 ~282m) from GiaGa Obs. (Aug. 6.89p1 & 6.96p1) and Wishing Star Obs. (Aug. 8.10-11p3)
• K10O01P   2010 OP1 (Q=4.501 AU, arc=17 days, H=19.2 ~490m) from ARO Westfield (Aug. 7.33-34p2)
• K10N01T   2010 NT1 (i=39.5°, arc=34 days, H=19.4 ~446m) from ARO Westfield (Aug. 7.09-12p3)
• K10M87R   2010 MR87 (arc=46 days, H=19.4 ~446m) from ARO Westfield (Aug. 7.14-16p3)
• K10M01F   2010 MF1 (arc=50 days, H=19.6 ~407m) from LINEAR (Aug. 7.15-20p5) and Castelmartini Obs. (Aug. 7.84p3)
• K10G30H   2010 GH30 (arc=119 days, H=20.9 ~224m) from ARO Westfield (Aug. 7.13-15p2 at V=22.2-5)
• K10F92O   2010 FO92 (arc=141 days, H=20.0 ~339m) from Castelmartini Obs. (Aug. 7.85p3) and Wishing Star Obs. (Aug. 8.08-09p3)
• K10A00E   2010 AE (arc=215 days, H=19.4 ~446m) from Wishing Star Obs. (Aug. 8.13-16p3)
• K08SO5X   2008 SX245 (arc=3 opp, H=17.7 ~977m) from ARO Westfield (Aug. 7.20-23p3 at V=22.1-3)
• K07VI9G   2007 VG189 (arc=2 opp, H=19.1 ~513m) from LINEAR (Aug. 7.15-20p5) and Castelmartini Obs. (Aug. 7.84-85p3)
• K07U06S   2007 US6 (arc=4 opp, H=18.3 ~741m) from ARO Westfield (Aug. 7.19-22p3)
• K07M13L   2007 ML13 (arc=2 opp, H=20.1 ~323m) from LINEAR (Aug. 7.21-26p4)
• K03T07X   2003 TX7 (i=38.7°, arc=4 opp, H=19.2 ~490m) from ARO Westfield (Aug. 7.35-39p3 at V=22.0-22.3)
• K02A09C   2002 AC9 (arc=2 opp, H=21.0 ~214m) from Shenton Park Obs. (Aug. 7.59-60p3)
• O2211   242211 2003 QB90 from LINEAR (Aug. 7.42-45p3)
• D8847   138847 2000 VE62 from Naef Obs. (Aug. 7.88-90p2)
• D8404   138404 2000 HA24 from La Sagra Obs. (Aug. 7.06-08p3) and Purple Mtn. Obs. Xuyi Station (Aug. 7.67-71p4)
• 87311   87311 2000 QJ1 from Xuyi Sta. (Aug. 7.72-75p4)
• 09202   9202 1993 PB from LINEAR (Aug. 7.28-33p5)
• 07336   7336 Saunders (1989 RS1) from LINEAR (Aug. 7.28-33p4)
• 05786   5786 Talos (1991 RC) from Mataro Obs. (Aug. 6.92p3)
• 04055   4055 Magellan (1985 DO2) from An Carraig Obs. (Aug. 7.91-93p4)
• 01865   1865 Cerberus (1971 UA) from Mataro Obs. (Aug. 6.93-94p3)

MPEC 2010-P39 - "01:03 UT" - 2010 PM10

• K10P10M   2010 PM10 (H=19.7 ~389m) was discovered at 0908 UT on 6 Aug. by LINEAR, which observed it at Aug. 6.38-43p4. The discovery was confirmed by Schiaparelli Obs. (Aug. 7.03-04p3), ARO Westfield (Aug. 7.23-24p2), Sandlot Obs. (Aug. 7.36-37p3), Mike Hicks via Table Mtn. Obs. (Aug. 7.42p4), Shenton Park Obs. (Aug. 7.88-90p3), and Eschenberg Obs. (Aug. 7.97p2).

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Observers  on 8 August '10

Nineteen observing facilities appear in today's MPECs.

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

Impact Risk Monitoring  on 8 August '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 8 August '10

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