Contents on 12 August '10
- IAU Minor Planet Center
- NEOCP Activity -- twelve listings: 5 new, 7 updated
- New MPECs -- five MPECs
- Observers -- 22 observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
Resources:
- Consolidated Risk Tables - the CRT page
Of 321 risk-listed objects, 12 have had news in the last month. Updated at 1353 UTC. - Earth's Busy Neighborhood Traffic Report
One object is known to be within ten LD of Earth today. Updated at 0229 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.
NEOCP Activity on 12 August '10
The MPC's NEO Confirmation Page has 12 listings: 5 new, 7 updated
When last checked at 2312 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had five new and seven updated listings. Of these, one was a "one nighter." So far The Tracking News has counted a total of fifteen 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 12 August '10
Minor Planet Electronic Circulars
As of last check at 2312 UTC, there have been five MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2010-P50 time-stamped "00:00 UT" - 2008 LC18 - see below
- MPEC 2010-P51 time-stamped "02:06 UT" - P/2002 X2 (NEAT) = P/2010 P1 [= P/2002 P2 (NEAT)] - see below
- MPEC 2010-P52 time-stamped "02:46 UT" - Comet C/2010 DG56 (WISE) - see below
- MPEC 2010-P53 time-stamped "06:11 UT" - Daily Orbit Update - see below
- MPEC 2010-P54 time-stamped "22:57 UT" - 2010 NW117
MPEC 2010-P54 - "22:57 UT" - 2010 NW117
- K10NB7W 2010 NW117 (H=18.3 ~741m) was discovered at 0740 UT on 8 July by the Spacewatch 0.9m telescope, which observed it at July 8.32-34p3. The discovery was confirmed by Purple Mtn. Obs. Xuyi Station (Aug. 3.58-62p4), LINEAR (Aug. 11.22-27p5), Astronomical Research Obs. Westfield (Aug. 12.17-18p3), ISON-NM Obs. (Aug. 12.18-19p4), the Spacewatch 1.8m telescope (Aug. 12.21p3), Rolando Ligustri via RAS Obs. Mayhill (Aug. 12.33-34p2), H. Sato via RAS Obs. Mayhill (Aug. 12.35-36p3), Bisei Spaceguard Center (Aug. 12.55-58p3), Vitebsk Obs. (Aug. 12.86-88p4), and Great Shefford Obs. (Aug. 12.92-93p3).
<< DOU on 12 Aug. '10 >> MPEC 2010-P53 - "06:11 UT" - Daily Orbit Update
- Observations of recently (no longer) risk-listed objects
- K10P09M 2010 PM9 from Schiaparelli Obs. (Aug. 8.04-05p3), Frasso Sabino Obs. (Aug. 8.96p2), and Spacewatch 1.8m (Aug. 11.28p3)
- K10K00H 2010 KH (Q=4.283 AU, arc=87 days, H=19.7 ~389m) from Desert Moon Obs. (Aug. 11.40-45p3)
- Observations of small asteroids (H>22.0)
- K10P02Q 2010 PQ2 (arc=8 days, H=24.5 ~43m) from LINEAR (Aug. 11.35-39p4)
- K10C55B 2010 CB55 (arc=183 days, H=22.6 ~102m) from Great Shefford Obs. (Aug. 10.89p3)
- Observations of almost-small asteroids (21.7<H<=22.0)
- K10P09K 2010 PK9 (q=0.223 AU, arc=5 days, H=22.0 ~135m) from Frasso Sabino Obs. (Aug. 8.87p3)
- Observations of other objects
- K10P22Y 2010 PY22 (arc=4 days, H=19.1 ~513m) from Desert Moon Obs. (Aug. 11.20-21p5) and Great Shefford Obs. (Aug. 11.91-94p3)
- K10P09L 2010 PL9 (arc=6 days, H=20.0 ~339m) from Schiaparelli Obs. (Aug. 7.98-00p3) and Frasso Sabino Obs. (Aug. 8.92-93p2)
- K10P02P 2010 PP2 (arc=8 days, H=21.2 ~195m) from Frasso Sabino Obs. (Aug. 8.98p3) and La Sagra Obs. (Aug. 10.97-99p3)
- K10OA1N 2010 ON101 (arc=12 days, H=20.5 ~269m) from Spacewatch 1.8m (Aug. 11.31-32p3) and Santa Mama Obs. (Aug. 11.90-93p6)
- K10OA1L 2010 OL101 (Q=4.343 AU, arc=15 days, H=20.3 ~295m) from Spacewatch 0.9m (Aug. 11.21p2)
- K10OA1B 2010 OB101 (arc=24 days, H=20.5 ~269m) from Spacewatch 0.9m (Aug. 11.30-32p3) and Spacewatch 1.8m (Aug. 11.33-34p3)
- K10OA0L 2010 OL100 (arc=14 days, H=19.8 ~371m) from Spacewatch 0.9m (Aug. 11.22-23p3)
- K10O22E 2010 OE22 (Q=4.353 AU, arc=25 days, H=21.3 ~186m) from Spacewatch 1.8m (Aug. 11.30p2)
- K10M01F 2010 MF1 (arc=54 days, H=19.5 ~426m) from Santa Mama Obs. (Aug. 11.86-89p6)
- K10F81H 2010 FH81 (arc=107 days, H=21.7 ~155m) from David Tholen's team on Mauna Kea (July 15.61p2)
- K09C05Q 2009 CQ5 (arc=2 opp, H=17.5 ~1.07 km) from Santa Mama Obs. (Aug. 11.81-85p6)
- K02P43D 2002 PD43 (q=0.110 AU, Q=4.907 AU, arc=2 opp, H=19.1 ~513m) from Schiaparelli Obs. (Aug. 9.09-10p2)
- K02N71E 2002 NE71 (arc=2 opp, H=19.5 ~426m) from Frasso Sabino Obs. (Aug. 8.88p3)
- K00Y29H 2000 YH29 (arc=5 opp, H=18.0 ~851m) from Desert Moon Obs. (Aug. 11.47-48p2)
- O3147 243147 2007 TX18 from Castelmartini Obs. (Aug. 9.01-02p3)
- O2211 242211 2003 QB90 from Castelmartini Obs. (Aug. 9.03p3)
- N0979 230979 2005 AT42 from LINEAR (Aug. 11.22-27p5)
- G3132 163132 2002 CU11 from LINEAR (Aug. 11.41-46p5)
- F3842 153842 2001 XT30 from Castelmartini Obs. (Aug. 9.09p3)
- D8404 138404 2000 HA24 from Xuyi Sta. (Aug. 11.59-63p4)
- 66146 66146 1998 TU3 from Castelmartini Obs. (Aug. 9.10p3)
- 19764 19764 2000 NF5 from Castelmartini Obs. (Aug. 9.02p3)
- 06239 6239 Minos (1989 QF) from Castelmartini Obs. (Aug. 9.10p3)
- 05143 5143 Heracles (1991 VL) from LINEAR (Aug. 11.35-39p8)
- 04954 4954 Eric (1990 SQ) from Castelmartini Obs. (Aug. 9.12p3)
- 04034 4034 1986 PA from Pear Tree Obs. (Aug. 10.09-12p3)
- 03122 3122 Florence (1981 ET3) from Castelmartini Obs. (Aug. 9.08p3)
- 02212 2212 Hephaistos (1978 SB) from Castelmartini Obs. (Aug. 9.11-12p3)
MPEC 2010-P52 - "02:46 UT" - Comet C/2010 DG56 (WISE)
- CK10D56G C/2010 DG56 (WISE) (i=160.4°, q=1.591 AU, Q=133.192 AU, TP=2010 May 15.55967 TT) from Spacewatch 0.9m (July 13.45-47p3) and RAS Obs. Mayhill (Aug. 10.31-32p3)
MPEC 2010-P51 - "02:06 UT" - P/2002 X2 (NEAT) = P/2010 P1 [= P/2002 P2 (NEAT)]
- PK10P010 P/2010 P1 (q=2.124 AU, Q=5.600 AU, TP=2010 Oct. 4.26925 TT) from RAS Mayhill (Aug. 10.43-44p3 & 11.42-46p5), ISON-NM Obs. (Aug. 11.43-45p4), and Ageo Obs. (Aug. 11.70-71p3)
- PK02X020 P/2002 X2 (NEAT) (q=2.529 AU, Q=5.540 AU, TP=2003 Mar. 29.60027 TT) from NEAT's Mt. Palomar telescope (2002 Dec. 6.32-36p3 & 2003 Jan. 16.11p1)
- PK02P020 P/2002 P2 (NEAT)
MPEC 2010-P50 - "00:00 UT" - 2008 LC18
- K08L18C 2008 LC18 (q=27.547 AU, Q=32.468 AU, H=8.4 ~70.8 km) from Scott Sheppard via Cerro Tololo Inter-American Obs. (CTIO) (2008 July 9.23p1), Las Campanas Obs. (2008 Aug. 21.99-00p2, 2008 Aug. 23.04p1 & 2009 May 23.39p1), and Scott Sheppard on Mauna Kea (2009 June 22.32p1 & 2009 June 22.46p1)
Observers on 12 August '10
A total of 22 observing facilities appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| 349 | Ageo Obs. in Japan, 1 in MPEC 2010-P51 -- P/2010 P1 |
| H21 | Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2010-P54 -- 2010 NW117 |
| 300 | Bisei Spaceguard Center in Japan, 1 in MPEC 2010-P54 -- 2010 NW117 |
| 160 | Castelmartini Obs. in Italy, 9 in MPEC 2010-P53 -- 66146, 243147, 242211, 19764, 153842, 6239, 4954, 3122, 2212 |
| 807. | Scott Sheppard via Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2010-P50 -- 2008 LC18 |
| 448 | Desert Moon Obs. in New Mexico, 3 in MPEC 2010-P53 -- 2010 PY22, 2010 KH, 2000 YH29 |
| 157 | Frasso Sabino Obs. in Italy, 5 in MPEC 2010-P53 -- 2010 PP2, 2010 PM9, 2010 PL9, 2010 PK9, 2002 NE71 |
| J95 | Great Shefford Obs. in England, 3 in MPECs 2010-P53 & 2010-P54 -- 2010 PY22, 2010 NW117, 2010 CB55 |
| H15 | ISON-NM Obs. in New Mexico, 2 in MPECs 2010-P51 & 2010-P54 -- P/2010 P1, 2010 NW117 |
| 704 | LINEAR in New Mexico, 5 in MPECs 2010-P53 & 2010-P54 -- 2010 PQ2, 2010 NW117, 230979, 163132, 5143 |
| J75 | La Sagra Obs. in Spain, 1 in MPEC 2010-P53 -- 2010 PP2 |
| 304 | Las Campanas Obs. in Chile, 1 in MPEC 2010-P50 -- 2008 LC18 |
| 5682 | David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-P53 -- 2010 FH81 |
| 5685 | Scott Sheppard on Mauna Kea in Hawaii, 1 in MPEC 2010-P50 -- 2008 LC18 |
| 644 | NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2010-P51 -- P/2002 X2 |
| H23 | Pear Tree Obs. in Florida, 1 in MPEC 2010-P53 -- 4034 |
| D29 | Purple Mtn. Obs. Xuyi Station in China, 2 in MPECs 2010-P53 & 2010-P54 -- 2010 NW117, 138404 |
| H06 | RAS Obs. Mayhill in New Mexico, 2 in MPECs 2010-P51 & 2010-P52 -- P/2010 P1, C/2010 DG56 |
| H06* | Rolando Ligustri in Italy via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-P54 -- 2010 NW117 |
| H06| | H. Sato in Japan via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-P54 -- 2010 NW117 |
| B38 | Santa Mama Obs. in Italy, 3 in MPEC 2010-P53 -- 2010 ON101, 2010 MF1, 2009 CQ5 |
| 204 | Schiaparelli Obs. in Italy, 3 in MPEC 2010-P53 -- 2010 PM9, 2010 PL9, 2002 PD43 |
| 691 | Spacewatch 0.9m telescope in Arizona, 5 in MPECs 2010-P52, 2010-P53 & 2010-P54 -- 2010 OL101, 2010 OL100, 2010 OB101, 2010 NW117, C/2010 DG56 |
| 291 | Spacewatch 1.8m telescope in Arizona, 5 in MPECs 2010-P53 & 2010-P54 -- 2010 PM9, 2010 ON101, 2010 OE22, 2010 OB101, 2010 NW117 |
| B42 | Vitebsk Obs. in Belarus, 1 in MPEC 2010-P54 -- 2010 NW117 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 12 August '10
At last check (NEODyS and JPL at 2312 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 12 August '10
Times are UTC for when items were noted or added by The Tracking News.
| 2312 | Grabbed MPEC 2010-P54 - 2010 NW117 - see above |
| 1353 | Grabbed MPEC 2010-P53 - Daily Orbit Update - see above |
| 0350 | Grabbed MPEC 2010-P51 - P/2002 X2 (NEAT) = P/2010 P1 [= P/2002 P2 (NEAT)] - see above Grabbed MPEC 2010-P52 - Comet C/2010 DG56 (WISE) - see above |
| 0017 | Grabbed MPEC 2010-P50 - 2008 LC18 - see above |
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