Contents on 21 September '10
- IAU Minor Planet Center
- Observers -- sixteen observing facilities
- Impact Risk Monitoring -- nothing to report
- Consolidated Risk Tables - the CRT page
Of 335 risk-listed objects, 26 have had news in the last 30 days. Updated at 1554 UTC 21 Sept.
- Earth's Busy Neighborhood Traffic Report
Three objects are known to be within ten LD of Earth today. Updated at 0248 UTC 21 Sept.
- 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 21 September '10
The MPC's NEO Confirmation Page has 5 listings: 5 updated
When last checked at 2111 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had five updated listings. Of these, three were "one nighters." So far The Tracking News has counted a total of eight 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 21 September '10
Minor Planet Electronic Circulars
As of last check at 2111 UTC, there have been four MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2010-S31 time-stamped "06:11 UT" - Daily Orbit Update - see below
- MPEC 2010-S32 time-stamped "12:24 UT" - 2010 SA12 - see below
- MPEC 2010-S33 time-stamped "20:05 UT" - 2010 SD12 - see below
- MPEC 2010-S34 time-stamped "20:08 UT" - 2010 SE12
MPEC 2010-S34 - "20:08 UT" - 2010 SE12
- K10S12E 2010 SE12 (small asteroid, H=24.3 ~47m) was discovered at 0607 UT on 19 Sept. by the Spacewatch 0.9m telescope, which observed it at Sept. 19.26-29p3. The discovery was confirmed by the Spacewatch 1.8m telescope (Sept. 19.34-35p3, 19.42-43p3 & 19.50-51p3) and Astronomical Research Obs. Westfield (Sept. 21.25-28p3).
MPEC 2010-S33 - "20:05 UT" - 2010 SD12
- K10S12D 2010 SD12 (small asteroid, H=23.8 ~59m) was discovered at 0428 UT on 18 Sept. by the Mt. Lemmon Survey (MLS), which observed it at Sept. 18.19-27p8. The discovery was confirmed by ARO Westfield (Sept. 18.22-24p3 & 21.08-09p3).
MPEC 2010-S32 - "12:24 UT" - 2010 SA12
- K10S12A 2010 SA12 (H=20.8 ~234m) was discovered at 1123 UT on 18 Sept. by MLS, which observed it at Sept. 18.42-49p8 and 19.36-38p4. The discovery was confirmed by Spacewatch 1.8m (Sept. 19.28-29p2), Remanzacco Obs. (Sept. 19.90p2), and Jim Young via Table Mtn. Obs. (Sept. 21.38-39p3).
- Observations of recently (no longer) risk-listed objects
- K10RD0C 2010 RC130 (arc=5 days, H=21.6 ~162m) from Castelmartini Obs. (Sept. 19.89-90p3)
- Observations of small asteroids (H>22.0)
- K10S00J 2010 SJ (arc=3 days, H=23.4 ~71m) from ARO Westfield (Sept. 18.23-25p4)
- K10R04J 2010 RJ4 (arc=15 days, H=24.0 ~54m) from ARO Westfield (Sept. 18.16-19p4)
- K10R03S 2010 RS3 (arc=16 days, H=22.6 ~102m) from ARO Westfield (Sept. 18.13-15p2)
- K10R00F 2010 RF (arc=17 days, H=22.9 ~89m) from ARO Westfield (Sept. 18.14-17p3)
- Observations of other objects
- K10R80U 2010 RU80 from the Catalina Sky Survey (CSS) (Sept. 12.19-20p3 discovery & Sept. 15.23-25p4), ARO Westfield (Sept. 12.26-27p4), LINEAR (Sept. 12.26-29p3), Kevin Hills via RAS Obs. Moorook (Sept. 12.60-61p3), Castelmartini Obs. (Sept. 12.85-86p3), Great Shefford Obs. (Sept. 12.86-87p3), and MLS (Sept. 16.21-23p3)
- K10R43K 2010 RK43 (arc=14 days, H=20.6 ~257m) from Castelmartini Obs. (Sept. 19.94-95p3)
- K10Q02D 2010 QD2 (arc=26 days, H=17.5 ~1.07 km) from Schiaparelli Obs. (Sept. 9.13-14p3)
- K10P10M 2010 PM10 (arc=44 days, H=19.8 ~371m) from ARO Westfield (Sept. 18.32-35p5)
- K10O00C 2010 OC (Q=4.705 AU, arc=58 days, H=19.1 ~513m) from WISE (Sept. 14.54p1, 14.68p2, 14.81p1 & 14.94p1)
- K10M87R 2010 MR87 (arc=91 days, H=19.4 ~446m) from Walnut Creek Obs. (Sept. 21.17-18p4)
- K10L68R 2010 LR68 (Q=4.881 AU, arc=2 opp, H=18.5 ~676m) from MLS (2006 Feb. 2.42-53p11 at V=21.0-22.1), Spacewatch 0.9m (2006 March 4.22-26p3), and ARO Westfield (Sept. 18.38-40p3)
- K10J00E 2010 JE (Q=4.602 AU, arc=129 days, H=20.2 ~309m) from Schiaparelli Obs. (Sept. 8.99-00p3)
- K07S00J 2007 SJ (arc=5 opp, H=16.6 ~1.62 km) from Schiaparelli Obs. (Sept. 8.97-98p2 & 9.05p2) and Castelmartini Obs. (Sept. 19.97p2)
- K05QF1Y 2005 QY151 (arc=4 opp, H=17.7 ~977m) from Schiaparelli Obs. (Sept. 9.07-12p3)
- K05G59E 2005 GE59 (arc=4 opp, H=18.1 ~812m) from Taurus-1 Obs. (Sept. 20.94-96p9)
- K00P27Q 2000 PQ27 (arc=2 opp, H=19.9 ~355m) from Castelmartini Obs. (Sept. 19.96p3)
- K00EA6Y 2000 EY106 (i=38.2°, arc=2 opp, H=19.0 ~537m) from Schiaparelli Obs. (Sept. 11.98p1)
- J97G03L 1997 GL3 (Q=4.057 AU, arc=2 opp, H=19.1 ~513m) from Schiaparelli Obs. (Sept. 8.98p2 & 9.04-06p3)
- G4121 164121 2003 YT1 from WISE (Sept. 14.57p1, 14.63p1, 14.70p1, 14.77p1, 14.83p1, 14.90p1, 14.97p1 & 15.03p2)
- F4029 154029 2002 CY46 from Walnut Creek Obs. (Sept. 21.14-16p5)
- E3381 143381 2003 BC21 from Castelmartini Obs. (Sept. 19.93p3)
- D8847 138847 2000 VE62 from Castelmartini Obs. (Sept. 19.95-96p3)
- 19764 19764 2000 NF5 from Chante-Perdrix Obs. (Sept. 14.04-08p3, 19.93p1, 19.97p1 & 20.02p1) and Castelmartini Obs. (Sept. 19.99-00p3)
Observers on 21 September '10
Sixteen observing facilities appear in today's MPECs.
|Code||Observer / observatory|
|H21||Astronomical Research Obs. Westfield in Illinois, 9 in MPECs 2010-S31, 2010-S33 & 2010-S34 -- 2010 SJ, 2010 SE12, 2010 SD12, 2010 RU80, 2010 RS3, 2010 RJ4, 2010 RF, 2010 PM10, 2010 LR68|
|160||Castelmartini Obs. in Italy, 8 in MPEC 2010-S31 -- 2010 RU80, 2010 RK43, 2010 RC130, 2007 SJ, 2000 PQ27, 19764, 143381, 138847|
|703||Catalina Sky Survey in Arizona, 1 in MPEC 2010-S31 -- 2010 RU80|
|A77||Chante-Perdrix Obs. in France, 1 in MPEC 2010-S31 -- 19764|
|J95||Great Shefford Obs. in England, 1 in MPEC 2010-S31 -- 2010 RU80|
|704||LINEAR in New Mexico, 1 in MPEC 2010-S31 -- 2010 RU80|
|G96||Mt. Lemmon Survey (MLS) in Arizona, 4 in MPECs 2010-S31, 2010-S32 & 2010-S33 -- 2010 SD12, 2010 SA12, 2010 RU80, 2010 LR68|
|D90`||Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2010-S31 -- 2010 RU80|
|473||Remanzacco Obs. in Italy, 1 in MPEC 2010-S32 -- 2010 SA12|
|204||Schiaparelli Obs. in Italy, 6 in MPEC 2010-S31 -- 2010 QD2, 2010 JE, 2007 SJ, 2005 QY151, 2000 EY106, 1997 GL3|
|691||Spacewatch 0.9m telescope in Arizona, 2 in MPECs 2010-S31 & 2010-S34 -- 2010 SE12, 2010 LR68|
|291||Spacewatch 1.8m telescope in Arizona, 2 in MPECs 2010-S32 & 2010-S34 -- 2010 SE12, 2010 SA12|
|6735||Jim Young via Table Mtn. Obs. in southern California, 1 in MPEC 2010-S32 -- 2010 SA12|
|A98||Taurus-1 Obs. in Belarus, 1 in MPEC 2010-S31 -- 2005 GE59|
|C51||WISE in Earth polar orbit, 2 in MPEC 2010-S31 -- 2010 OC, 164121|
|G56||Walnut Creek Obs. in northern California, 2 in MPEC 2010-S31 -- 2010 MR87, 154029|
|For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.|
Impact Risk Monitoring on 21 September '10
At last check (NEODyS and JPL at 2111 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.
Chronology on 21 September '10
Times are UTC for when items were noted or added by The Tracking News.
|2111||Grabbed MPEC 2010-S33 - 2010 SD12 - see above|
Grabbed MPEC 2010-S34 - 2010 SE12 - see above
|1553||Grabbed MPEC 2010-S31 - Daily Orbit Update - see above|
Grabbed MPEC 2010-S32 - 2010 SA12 - see above