Contents on 9 August '09
- IAU Minor Planet Center
- NEOCP Activity -- none
- New MPECs -- two MPECs
- Observers -- eight 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 9 August '09
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 (checked at 2358 UTC). It was last noted active on August 5th.
New MPECs on 9 August '09
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there have been two MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2009-P32 time-stamped "06:05 UT" - Daily Orbit Update - see below
- MPEC 2009-P33 time-stamped "21:01 UT" - 2009 MZ6
MPEC 2009-P33 - "21:01 UT" - 2009 MZ6
- K09M06Z 2009 MZ6 from NEAT's Mt. Palomar telescope (2002 Aug. 18.47-50p3, 2002 Aug. 30.45-46p2 & 2002 Sept. 16.32-37p3)
<< DOU on 9 Aug. '09 >> MPEC 2009-P32 - "06:05 UT" - Daily Orbit Update
- K09N00L 2009 NL (Q=4.759 AU, arc=21 days, H=19.8 ~371m) from Great Shefford Obs. (Aug. 2.01-02p2 & 2.06-07p2)
- K09N00E 2009 NE (q=0.361 AU, Q=4.987 AU, arc=4 opp, H=15.9 ~2.24 km) from Petit Jean Mtn. South Obs. (PJMSO) (Aug. 5.24-25p6)
- K02L00V 2002 LV (arc=3 opp, H=16.6 ~1.62 km) from PJMSO (Aug. 5.20-21p5) and Hamamatsu-Yuto Obs. (Aug. 8.46-49p7)
- L7013 217013 2001 AA50 from Great Shefford Obs. (Aug. 1.99-00p2, 2.09p2, 5.92-94p3, 7.90-92p3, 8.09p1 & 8.92-99p4)
- D6849 136849 1998 CS1 from Schiaparelli Obs. (Jan. 10.12-18p3)
- 68350 68350 2001 MK3 from Schiaparelli Obs. (Jan. 10.12-18p3)
- 17274 17274 2000 LC16 from Thompsonville Obs. (Aug. 9.12-13p6)
- 09162 9162 Kwiila (1987 OA) from An Carraig Obs. (Aug. 7.96-98p16) and Atlante Obs. (Aug. 8.96-98p3)
- 05626 5626 1991 FE from Thompsonville Obs. (Aug. 9.13-14p6)
- 04179 4179 Toutatis (1989 AC) from Schiaparelli Obs. (Jan. 10.12-18p3)
Observers on 9 August '09
Eight observing facilities appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| J16 | An Carraig Obs. in Northern Ireland, 1 in MPEC 2009-P32 -- 9162 |
| J51 | Atlante Obs. in the Canary Islands, 1 in MPEC 2009-P32 -- 9162 |
| J95 | Great Shefford Obs. in England, 2 in MPEC 2009-P32 -- 2009 NL, 217013 |
| 379 | Hamamatsu-Yuto Obs. in Japan, 1 in MPEC 2009-P32 -- 2002 LV |
| 644 | NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2009-P33 -- 2009 MZ6 |
| H45 | Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 2 in MPEC 2009-P32 -- 2009 NE, 2002 LV |
| 204 | Schiaparelli Obs. in Italy, 3 in MPEC 2009-P32 -- 68350, 136849, 4179 |
| H53 | Thompsonville Obs. in Illinois, 2 in MPEC 2009-P32 -- 17274, 5626 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 9 August '09
| 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 |
| 1991 VG | JPL Sentry | 2206 | 2101 | 1 | 4.4e-07 | -8.51 | -8.51 | 0 | JPL: "Analysis based on 63 observations spanning 173.12 days (1991-Nov-06.32553 to 1992-Apr-27.44847)." Diameter approximately 0.007 km. from mean, weighted H=28.4. |
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 9 August '09
Times are UTC for when items were noted or added by The Tracking News.
| 2206 | Noted that JPL Sentry has posted 1991 VG as an impact risk - see above |
| 2120 | Grabbed MPEC 2009-P33 - 2009 MZ6 - see above |
| 1709 | Grabbed MPEC 2009-P32 - Daily Orbit Update - see above |
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