Contents on 17 July '10
- IAU Minor Planet Center
- Observers -- twelve observing facilities
- Impact Risk Monitoring -- one object
Note: A/CC news pages will update infrequently for much of the remainder of July.
- Consolidated Risk Tables - the CRT page
Of 328 risk-listed objects, 25 have had news in the last month. Updated at 1216 UTC.
- Earth's Busy Neighborhood Traffic Report
One object is known to be within ten LD of Earth today. Updated at 1305 UTC.
- Ephemerides for risk-rated and nearby objects
- News image catalog
- Old & new CRT Archive
- Old News Archive & Small Objects Archive
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 17 July '10
The MPC's NEO Confirmation Page has 13 listings: 8 new, 5 updated
When last checked at 1455 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had eight new and five updated listings. Of these, two were "one nighters." So far The Tracking News has counted a total of fourteen 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.
New MPECs on 17 July '10
Minor Planet Electronic Circulars
As of last check at 1455 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- Observations of risk-listed objects
- K10N00H 2010 NH (small asteroid, arc=12 days, H=25.7 ~25m) from Astronomical Research Obs. Westfield (July 16.30-33p3 at V=22.4-6)
- Observations of recently (no longer) risk-listed objects
- K10M01F 2010 MF1 (arc=28 days, H=19.5 ~426m) from Sormano Obs. (July 16.90p2)
- K10LA8U 2010 LU108 (Q=4.074 AU, arc=30 days, H=20.0 ~339m) from ARO Westfield (July 16.35-37p3)
- Observations of small asteroids (H>22.0)
- K10N01K 2010 NK1 (arc=10 days, H=22.4 ~112m) from Sormano Obs. (July 16.88-89p5)
- Observations of other objects
- K10L63Y 2010 LY63 (arc=26 days, H=17.6 ~1.02 km) from the Siding Spring Survey (SSS) (June 21.52p1)
- K10L15E 2010 LE15 (arc=2 opp, H=19.5 ~426m) from Schiaparelli Obs. (July 15.05-06p2) and Wildberg Obs. (July 16.03p3)
- K10ED5C 2010 EC135 (arc=126 days, H=20.1 ~323m) from Sormano Obs. (July 16.92p2)
- K10CH1J 2010 CJ171 (arc=153 days, H=21.1 ~204m) from Homburg-Erbach Obs. (July 15.96-01p4) and Sormano Obs. (July 16.93-94p3)
- K10A00E 2010 AE (arc=193 days, H=19.4 ~446m) from Wildberg Obs. (July 15.95-96p3) and Sormano Obs. (July 17.00-01p2)
- K09K05D 2009 KD5 (arc=3 opp, H=18.4 ~708m) from Doc Greiner Research Obs. (DGRO) (July 16.18p5)
- K08O09S 2008 OS9 (arc=2 opp, H=19.4 ~446m) from Frasso Sabino Obs. (July 15.00-01p3)
- K07M13L 2007 ML13 (arc=2 opp, H=20.2 ~309m) from Frasso Sabino Obs. (July 16.02-03p3)
- K06K21L 2006 KL21 (arc=2 opp, H=20.8 ~234m) from Castelmartini Obs. (July 15.07p3)
- K02C26E 2002 CE26 (i=47.3°, arc=5 opp, H=16.8 ~1.48 km) from WISE (July 12.50p1, 12.56p1, 12.70p1, 12.83p1 & 13.09p1)
- O2211 242211 2003 QB90 from Castelmartini Obs. (July 15.07-08p3)
- F3842 153842 2001 XT30 from Castelmartini Obs. (July 15.09-10p5)
- E3381 143381 2003 BC21 from Castelmartini Obs. (July 15.05-06p3)
- 85989 85989 1999 JD6 from Homburg-Erbach Obs. (July 15.93-95p3)
- 29075 29075 1950 DA from WISE (July 12.72p1, 12.85p1, 12.98p1, 13.12p1, 13.18p1, 13.25p2, 13.32p1, 13.38p1, 13.45p1, 13.51p1, 13.58p1, 13.71p1, 13.84p1 & 13.98p2)
- 19764 19764 2000 NF5 from Castelmartini Obs. (July 15.08-09p3)
- 09202 9202 1993 PB from La Sagra Obs. (July 16.14-17p3)
- 07336 7336 Saunders (1989 RS1) from Crni Vrh Obs. (July 16.98-01p4)
Observers on 17 July '10
Twelve observing facilities appear in today's MPEC.
|Code||Observer / observatory|
|H21||Astronomical Research Obs. Westfield in Illinois, 2 in MPEC 2010-O05 -- 2010 NH, 2010 LU108|
|160||Castelmartini Obs. in Italy, 5 in MPEC 2010-O05 -- 2006 KL21, 242211, 19764, 153842, 143381|
|106||Crni Vrh Obs. in Slovenia, 1 in MPEC 2010-O05 -- 7336|
|H26||Doc Greiner Research Obs. in Wisconsin, 1 in MPEC 2010-O05 -- 2009 KD5|
|157||Frasso Sabino Obs. in Italy, 2 in MPEC 2010-O05 -- 2008 OS9, 2007 ML13|
|196||Homburg-Erbach Obs. in Germany, 2 in MPEC 2010-O05 -- 2010 CJ171, 85989|
|J75||La Sagra Obs. in Spain, 1 in MPEC 2010-O05 -- 9202|
|204||Schiaparelli Obs. in Italy, 1 in MPEC 2010-O05 -- 2010 LE15|
|E12||Siding Spring Survey in New South Wales, 1 in MPEC 2010-O05 -- 2010 LY63|
|587||Sormano Obs. in Italy, 5 in MPEC 2010-O05 -- 2010 NK1, 2010 MF1, 2010 EC135, 2010 CJ171, 2010 AE|
|C51||WISE in Earth polar orbit, 2 in MPEC 2010-O05 -- 2002 CE26, 29075|
|198||Wildberg Obs. in Germany, 2 in MPEC 2010-O05 -- 2010 LE15, 2010 AE|
|For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.|
Impact Risk Monitoring on 17 July '10
Notes for Today's Latest Risk Assessments
|2010 NH||JPL Sentry||1216||2089-2107||3||1.5e-06||-6.39||-6.46||0||JPL: "Analysis based on 58 observations spanning 11.908 days (2010-Jul-04.42235 to 2010-Jul-16.330273)." Diameter approximately 0.025 km. from mean, weighted H=25.7.|
|NEODyS||1216||R E M O V E D||-|
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.