Contents on 31 August '08
- IAU Minor Planet Center
- NEOCP Activity -- none
- New MPECs -- one MPEC
- Observers -- eighteen 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.
NEOCP Activity on 31 August '08
The MPC's NEO Confirmation Page is currently empty
The NEOCP is currently empty. There were two listings noted earlier today.
New MPECs on 31 August '08
Minor Planet Electronic Circulars
As of last check at 2357 UTC, there has been one MPEC issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
<< DOU on 31 Aug. '08 >> MPEC 2008-Q57 - "06:07 UT" - Daily Orbit Update
- Observations of risk-listed objects
- K08Q11S 2008 QS11 (arc=2 days, H=19.7 ~389m) from Tiki Obs. (Aug. 29.60-62p2)
- Observations of recently (no longer) risk-listed objects
- K08Q03T 2008 QT3 (arc=6 days, H=18.4 ~708m) from Astronomical Research Obs. (ARO) (Aug. 30.13-14p4), Klet Obs. (Aug. 30.83-84p7), Eschenberg Obs. (Aug. 30.87p3), KLENOT (Aug. 30.88-89p7), and Great Shefford Obs. (Aug. 30.89-90p3)
- K08Q01C 2008 QC1 (small asteroid, Q=4.268 AU, arc=7 days, H=24.2 ~49m) from ARO (Aug. 30.30p1)
- K08O08P 2008 OP8 (arc=31 days, H=19.7 ~389m) from KLENOT (Aug. 30.90-91p7)
- K08O02X 2008 OX2 (arc=33 days, H=20.0 ~339m) from ARO (Aug. 30.06-07p3)
- Observations of small asteroids (H>22.0)
- K08Q11W 2008 QW11 (arc=3 days, H=23.4 ~71m) from Hibiscus Obs. (Aug. 29.61-62p2)
- K08Q11U 2008 QU11 (arc=5 days, H=25.5 ~27m) from ARO (Aug. 30.26-27p3) and Great Shefford Obs. (Aug. 31.01p2)
- K08Q02M 2008 QM2 (arc=7 days, H=23.8 ~59m) from ARO (Aug. 30.15p4)
- K08Q01A 2008 QA1 (arc=7 days, H=22.5 ~107m) from ARO (Aug. 30.15-16p6)
- K08O00M 2008 OM (arc=36 days, H=22.3 ~117m) from ARO (Aug. 30.20-21p3) and KLENOT (Aug. 30.89-90p7)
- Observations of almost-small asteroids (21.7<H<=22.0)
- K08Q00F 2008 QF (arc=9 days, H=21.8 ~148m) from ARO (Aug. 30.11-12p2)
- K06U17Q 2006 UQ17 (arc=2 opp, H=21.9 ~141m) from ARO (Aug. 28.20-25p3 at V=22.7-8 & 30.23-28p3 at V=22.5-6)
- Observations of other objects
- K08Q00Z 2008 QZ (arc=9 days, H=20.5 ~269m) from KLENOT (Aug. 30.00p8)
- K08P03L 2008 PL3 (arc=27 days, H=19.4 ~446m) from Klet Obs. (Aug. 30.90-92p9) and Thompsonville Obs. (Aug. 31.14-15p4)
- K08N00U 2008 NU (Q=4.202 AU, arc=60 days, H=17.6 ~1.02 km) from Begues Obs. (Aug. 29.00p3)
- K08M01U 2008 MU1 (i=40.8°, arc=60 days, H=19.7 ~389m) from ARO (Aug. 30.08-10p4)
- K08M01R 2008 MR1 (arc=2 opp, H=18.5 ~676m) from Schiaparelli Obs. (Aug. 26.08-09p3)
- K08M01H 2008 MH1 (Q=4.263 AU, arc=63 days, H=18.4 ~708m) from ARO (Aug. 30.06-07p3)
- K07T66E 2007 TE66 (arc=2 opp, H=21.4 ~178m) from Guidestar Obs. (Aug. 30.93-99p3)
- K07Q02K 2007 QK2 (arc=74 days, H=20.6 ~257m) from LONEOS (2007 Oct. 6.20-27p4)
- K06W02Z 2006 WZ2 (arc=3 opp, H=16.8 ~1.48 km) from Ametlla del Valles Obs. (Aug. 30.18-19p5)
- K05T51Z 2005 TZ51 (arc=3 opp, H=17.9 ~891m) from Schiaparelli Obs. (Aug. 28.09p2)
- K05R34D 2005 RD34 (arc=2 opp, H=20.4 ~282m) from Ametlla del Valles Obs. (Aug. 29.91p6 & 29.96p1)
- K05B00C 2005 BC (arc=2 opp, H=18.1 ~812m) from Ametlla del Valles Obs. (Aug. 29.84-85p3)
- K04X44N 2004 XN44 (arc=2 opp, H=18.4 ~708m) from Eschenberg Obs. (Aug. 31.05-06p3)
- K04S56B 2004 SB56 (arc=2 opp, H=19.2 ~490m) from Ametlla del Valles Obs. (Aug. 29.92p4)
- K04D00C 2004 DC (arc=3 opp, H=18.1 ~812m) from LONEOS (2006 Feb. 10.25-31p4)
- K03SH0G 2003 SG170 (i=36.9°, arc=4 opp, H=17.7 ~977m) from ARO (Aug. 30.27-29p3)
- K03R00M 2003 RM (Q=4.673 AU, arc=2 opp, H=20.0 ~339m) from Begues Obs. (Aug. 29.98p1)
- K03A18L 2003 AL18 (arc=4 opp, H=17.8 ~933m) from ARO (Aug. 30.32-35p3 at V=21.9-22.1)
- J99R32D 1999 RD32 (Q=4.672 AU, arc=4 opp, H=16.4 ~1.78 km) from ARO (Aug. 30.37-39p3)
- I8452 188452 2004 HE62 from Ametlla del Valles Obs. (Aug. 29.90-92p5 & 29.97p3) and Thompsonville Obs. (Aug. 31.07-08p6)
- G4400 164400 2005 GN59 from Schiaparelli Obs. (Aug. 26.03-07p2) and Mt. Tuffley Obs. (Aug. 30.92p3)
- G2117 162117 1998 SD15 from LONEOS (2007 Oct. 6.24-29p3)
- E5656 145656 4788 P-L from LONEOS (2007 Oct. 6.12-18p4)
- D9359 139359 2001 ME1 from LONEOS (2006 Feb. 10.34-40p4)
- A8906 108906 2001 PL9 from Andrushivka Obs. (Aug. 27.88-91p2) and Ametlla del Valles Obs. (Aug. 30.10-12p4)
- 96744 96744 1999 OW3 from David Tholen's team on Mauna Kea (Aug. 13.64p4)
- 90403 90403 2003 YE45 from Ametlla del Valles Obs. (Aug. 29.97-99p6)
- 66008 66008 1998 QH2 from Schiaparelli Obs. (Aug. 27.85-88p3) and Ametlla del Valles Obs. (Aug. 29.00p3)
- 65909 65909 1998 FH12 from LONEOS (2006 Feb. 10.43-49p4)
- 39572 39572 1993 DQ1 from Thompsonville Obs. (Aug. 31.09-10p6)
- 08567 8567 1996 HW1 from Mt. Tuffley Obs. (Aug. 30.90-91p3) and Corner Obs. (Aug. 31.04-10p22)
- 05332 5332 1990 DA from LONEOS (2006 Feb. 10.34-40p4)
- 04954 4954 Eric (1990 SQ) from LONEOS (2007 Oct. 7.22-29p4)
- 04257 4257 Ubasti (1987 QA) from Ametlla del Valles Obs. (Aug. 30.02p5) and Atlante Obs. (Aug. 30.91-92p3)
- 04179 4179 Toutatis (1989 AC) from Begues Obs. (Aug. 29.95-96p4), Mt. Tuffley Obs. (Aug. 30.88-89p3), and Thompsonville Obs. (Aug. 31.11-12p6)
- 02212 2212 Hephaistos (1978 SB) from LONEOS (2007 Oct. 6.35-41p4)
- 01981 1981 Midas (1973 EA) from LONEOS (2006 Feb. 10.26-30p3)
- 01980 1980 Tezcatlipoca (1950 LA) from Thompsonville Obs. (Aug. 31.10p6)
- 01917 1917 Cuyo (1968 AA) from Mt. Tuffley Obs. (Aug. 30.99p3)
- 00887 887 Alinda (1918 DB) from Begues Obs. (Aug. 29.96-97p3)
Observers on 31 August '08
Eighteen observing facilities appear in today's MPEC.
| Code | Observer / observatory |
|---|---|
| B37 | Ametlla del Valles Obs. in Spain, 9 in MPEC 2008-Q57 -- 2006 WZ2, 2005 RD34, 2005 BC, 2004 SB56, 90403, 66008, 188452, 108906, 4257 |
| A50 | Andrushivka Obs. in the Ukraine, 1 in MPEC 2008-Q57 -- 108906 |
| H55 | Astronomical Research Obs. (ARO) in Illinois, 14 in MPEC 2008-Q57 -- 2008 QU11, 2008 QT3, 2008 QM2, 2008 QF, 2008 QC1, 2008 QA1, 2008 OX2, 2008 OM, 2008 MU1, 2008 MH1, 2006 UQ17, 2003 SG170, 2003 AL18, 1999 RD32 |
| J51 | Atlante Obs. in the Canary Islands, 1 in MPEC 2008-Q57 -- 4257 |
| 170 | Begues Obs. in Spain, 4 in MPEC 2008-Q57 -- 2008 NU, 2003 RM, 4179, 887 |
| B50 | Corner Obs. in Germany, 1 in MPEC 2008-Q57 -- 8567 |
| 151 | Eschenberg Obs. in Switzerland, 2 in MPEC 2008-Q57 -- 2008 QT3, 2004 XN44 |
| J95 | Great Shefford Obs. in England, 2 in MPEC 2008-Q57 -- 2008 QU11, 2008 QT3 |
| A17 | Guidestar Obs. in Germany, 1 in MPEC 2008-Q57 -- 2007 TE66 |
| F84 | Hibiscus Obs. in Tahiti, 1 in MPEC 2008-Q57 -- 2008 QW11 |
| 246 | KLENOT in the Czech Republic, 4 in MPEC 2008-Q57 -- 2008 QZ, 2008 QT3, 2008 OP8, 2008 OM |
| 046 | Klet Obs. in the Czech Republic, 2 in MPEC 2008-Q57 -- 2008 QT3, 2008 PL3 |
| 699 | LONEOS in Arizona, 10 in MPEC 2008-Q57 -- 2007 QK2, 2004 DC, 65909, 162117, 145656, 139359, 5332, 4954, 2212, 1981 |
| 5682 | David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2008-Q57 -- 96744 |
| J93 | Mt. Tuffley Obs. in England, 4 in MPEC 2008-Q57 -- 164400, 8567, 4179, 1917 |
| 204 | Schiaparelli Obs. in Italy, 4 in MPEC 2008-Q57 -- 2008 MR1, 2005 TZ51, 66008, 164400 |
| H53 | Thompsonville Obs. in Illinois, 5 in MPEC 2008-Q57 -- 2008 PL3, 39572, 188452, 4179, 1980 |
| F85 | Tiki Obs. in Tahiti, 1 in MPEC 2008-Q57 -- 2008 QS11 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 31 August '08
| 0000NNN000 Object | Risk Monitor | When Noted UTC | 0000T0000 Year Range | VI # | 000NN00 Prob Cum | T0000 PS Cum | T0000 PS Max | T S | Notes for Today's Latest Risk Assessments |
| 2008 QS11 | NEODyS | 1513 | R E M O V E D | - | |||||
| JPL Sentry | 1513 | R E M O V E D | JPL: Risk listing removed at 0901 UTC. | ||||||
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.
Chronology on 31 August '08
Times are UTC for when items were noted or added by The Tracking News.
| 2107 | The NEOCP has become empty |
| 1514 | Grabbed MPEC 2008-Q57 - Daily Orbit Update - see above |
| 1513 | Noted that JPL Sentry has removed 2008 QS11 as an impact risk - see above Noted that NEODyS has removed 2008 QS11 as an impact risk - see above |
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