The Cornell Chronicle reports that last month Arecibo radar found 2005 YU55 to be about 400 meters in diameter. Good to know, considering that 1) the original estimate from optical observation was on the order of 143 meters and 2) this object is coming back in 18 months, passing closer than the Moon. Fortunately, Arecibo's observations eliminated all 2005 YU55 impact possibilities for the next hundred years. Image credit: NASA/Cornell/Arecibo.
Contents on 3 May '10
- IAU Minor Planet Center
- NEOCP Activity -- ten listings: 10 new
- New MPECs -- eight MPECs
- Observers -- 63 observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
Resources:
- Consolidated Risk Tables - the CRT page
- Earth's Busy Neighborhood Traffic Report
- 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 3 May '10
The MPC's NEO Confirmation Page has 10 listings: 10 new
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had ten new listings. Of these, four were "one nighters." So far The Tracking News has counted a total of sixteen 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 3 May '10
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there have been eight MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2010-J03 time-stamped "06:06 UT" - Daily Orbit Update - see below
- MPEC 2010-J04 time-stamped "17:40 UT" - Comet C/2010 A4 (Siding Spring) - see below
- MPEC 2010-J05 time-stamped "17:51 UT" - Comet C/2010 G1 (Boattini) - see below
- MPEC 2010-J06 time-stamped "17:54 UT" - Comet C/2010 G2 (Hill) - see below
- MPEC 2010-J07 time-stamped "17:58 UT" - Comet C/2010 G3 (WISE) - see below
- MPEC 2010-J08 time-stamped "18:06 UT" - Comet P/2010 H2 (Vales) - see below
- MPEC 2010-J09 time-stamped "18:34 UT" - Observations of Comets - see below
- MPEC 2010-J10 time-stamped "19:12 UT" - 2010 CT149
MPEC 2010-J10 - "19:12 UT" - 2010 CT149
- K10CE9T 2010 CT149 (Centaur, q=1.883 AU, Q=49.051 AU, H=16.9 ~1.41 km) from WISE (April 16.96p1, 17.23p1, 17.49p1, 17.62p1, 18.02p1, 18.22p1 & 18.35p1)
MPEC 2010-J09 - "18:34 UT" - Observations of Comets
- CK10F010 C/2010 F1 (Boattini) from Klet Obs. (April 24.84p2), the Mt. Lemmon Survey (MLS) (April 26.24-25p4), and Castelmartini Obs. (April 30.90-91p3)
- PK10E020 P/2010 E2 (Jarnac) from Castelmartini Obs. (April 28.94p1 & 30.94-95p3) and Moriyama Obs. (May 2.56-57p2)
- PK10A030 P/2010 A3 (Hill) from Isle of Man Obs. (April 14.88-89p4), Moriyama Obs. (April 25.46-47p2), and Yatsuka Obs. (May 2.48-49p3)
- PK10A020 P/2010 A2 (LINEAR) from Maidbronn Obs. (April 1.81-82p3 & 17.82-84p3)
- CK09Y010 C/2009 Y1 (Catalina) from La Vara Obs. (April 14.96-97p3 & 26.91-92p3), Schiaparelli Obs. (April 14.99p2), and Naef Obs. (April 27.91-95p3)
- PK09W51X P/2009 WX51 (Catalina) from Mauna Kea (April 13.64p2 & 17.63p1)
- CK09U89G C/2009 UG89 (Lemmon) from Geisei Obs. (April 24.79-80p2) and Castelmartini Obs. (April 29.11-12p3 & May 1.13-14p3)
- CK09R010 C/2009 R1 (McNaught) from Tzec Maun Obs. Moorook (April 22.83-84p4), Yatsuka Obs. (April 24.80p3), Castelmartini Obs. (April 29.12-13p3), Kurihara Obs. (April 29.76-77p2), and Ageo Obs. (April 30.77p2 & May 1.79p2)
- CK09K050 C/2009 K5 (McNaught) from Via Lactea (April 11.10p1), Brixiis Obs. (April 16.02-04p6 & 19.00-03p15), Geisei Obs. (April 23.77p2), Yatsuka Obs. (April 24.76p3), Stixendorf Obs. (April 25.09p3), Maisoncelles Obs. (April 25.10-14p5), Moriyama Obs. (April 25.67-68p2), Chante-Perdrix Obs. (April 26.09-10p2), Tzec Maun Obs. Mayhill (April 26.43-44p2 & 28.34-35p2), Faulkes Telescope North (April 26.54-55p14), Montcabre Obs. (April 29.06-09p3), Ageo Obs. (April 29.62p2), Kurihara Obs. (April 29.73-74p3), Olmen Obs. (April 30.90-92p2), Malaga Obs. (May 2.01-02p3), and Konan Obs. (May 2.67-69p4)
- CK08Q030 C/2008 Q3 (Garradd) from WISE (April 24.38p1, 24.64p1, 24.84p2, 24.91p1, 24.97p1, 25.04p1, 25.11p1, 25.24p1, 25.37p1 & 25.50p1) and Maidbronn Obs. (April 24.95-97p3)
- CK08N010 C/2008 N1 (Holmes) from Brixiis Obs. (April 15.93-94p3 & 24.96-99p5), Cielo Profundo Obs. (April 26.89-90p2), Castelmartini Obs. (April 30.97-98p3), Altamira Obs. (May 1.96-97p3), and El Olivo Obs. (May 1.97-98p3)
- CK08F75K C/2008 FK75 (Lemmon-Siding Spring) from Ageo Obs. (April 17.73-74p2), Vicksburg Obs. (April 22.36-39p3 & 23.36-39p4), Brixiis Obs. (April 22.00-14p19), Homburg-Erbach Obs. (April 24.03-05p3), Sendai Obs. (April 24.73p3 & 30.69-70p3), Geisei Obs. (April 24.74-75p3), Cielo Profundo Obs. (April 25.05-08p3), Moriyama Obs. (April 25.62-63p2), Monte Deva Obs. (April 26.07-08p4), Tzec Maun Obs. Mayhill (April 26.39-42p2), El Olivo Obs. (May 1.99p2), and Konan Obs. (May 2.63-64p3)
- CK07Q03a C/2007 Q3-A (Siding Spring A) from Smolyan Obs. (March 27.84-88p8, 27.99p2 & 28.11-13p2), Brixiis Obs. (April 8.85-87p8, 13.90-91p7, 15.86-88p5, 18.88-90p6, 22.90-93p7, 23.87-91p8 & 24.92-96p4), Via Lactea (April 11.08p1), Siegen Obs. (April 18.05-10p3 & 23.90-91p3), Geisei Obs. (April 23.76p1), Sendai Obs. (April 24.63-64p3 & 30.61-62p3), Modra Obs. (April 24.83-85p4), Tzec Maun Obs. Mayhill (April 25.20p1, 26.40-43p2 & 28.33-35p2), Moriyama Obs. (April 25.56p2), Monte Deva Obs. (April 26.05-06p5), Cielo Profundo Obs. (April 26.97p2), Schiaparelli Obs. (April 27.90p1 & 27.98p1), Montcabre Obs. (April 27.92-93p3), La Vara Obs. (April 27.95-96p3), Berta Obs. (April 27.97-99p3), Betelgeuse Station (April 28.98p3), Kurihara Obs. (April 29.49p3), Castelmartini Obs. (April 30.80p3), Olmen Obs. (April 30.89-90p2), and Yatsuka Obs. (May 1.55p3)
- CK06W030 C/2006 W3 (Christensen) from Tzec Maun Obs. Moorook (April 19.74-76p3), Yatsuka Obs. (April 24.79p3), and Chante-Perdrix Obs. (April 26.14-15p2)
- CK06Q010 C/2006 Q1 (McNaught) from Vicksburg Obs. (April 23.41-42p2), Cielo Profundo Obs. (April 25.10-12p3), Moriyama Obs. (April 25.66-67p2), Chante-Perdrix Obs. (April 26.09-11p2), Ageo Obs. (April 29.65-66p2), Zvezdno Obshtestvo Obs. (April 30.99-00p3), and Malaga Obs. (May 2.04p3)
- CK06O02F C/2006 OF2 (Broughton) from Castelmartini Obs. (April 18.89p3 & 30.89p3)
- CK05L030 C/2005 L3 (McNaught) from Brixiis Obs. (April 15.89-91p3), Kiev Comet Station (April 22.97-98p5), Moriyama Obs. (April 25.54-55p2), Vicksburg Obs. (April 29.16-19p3), Sendai Obs. (April 30.67p3), Castelmartini Obs. (April 30.95-96p3), and Altamira Obs. (May 1.89-91p3)
- 0195P 195P/Hill from North Ryde Obs. (April 17.37-41p2) and Farm Cove Obs. (May 2.30-32p3)
- 0157P 157P/Tritton from Castelmartini Obs. (April 28.82p3 & 30.82p3)
- 0118P 118P/Shoemaker-Levy 4 from Castelmartini Obs. (April 28.85p3 & 30.83-84p3) and Yatsuka Obs. (May 2.52p3)
- 0116P 116P/Wild 4 from Geisei Obs. (April 23.78p1) and Chante-Perdrix Obs. (April 26.14p1)
- 0094P 94P/Russell 4 from Odessa-Mayaki Obs. (April 8.80p1), Vicksburg Obs. (April 25.14-15p2), Cielo Profundo Obs. (April 26.85-87p3), Castelmartini Obs. (April 28.90-91p3 & 30.91-92p3), Sendai Obs. (April 30.49p3), Altamira Obs. (May 1.87-88p3), and Yatsuka Obs. (May 2.53-54p3)
- 0081P 81P/Wild 2 from Odessa-Mayaki Obs. (April 9.03p1), Via Lactea (April 11.07p1), Moletai Obs. (April 15.92-95p4), Ageo Obs. (April 17.68p2), Vicksburg Obs. (April 22.32-34p3 & 23.34p3), Siegen Obs. (April 23.87-89p4 & 28.91-92p3), El Olivo Obs. (April 23.97-98p3 & May 1.90-91p3), Osaki Obs. (April 24.57-58p2), Sendai Obs. (April 24.62p3 & 30.61p2), Yatsuka Obs. (April 24.75p3 & May 1.53p3), Brixiis Obs. (April 25.04-07p5), Tzec Maun Obs. Mayhill (April 25.19-21p2 & 26.40-42p2), Kurihara Obs. (April 25.50p4 & 29.48p3), Moriyama Obs. (April 25.60-61p2), Atlante Obs. (April 25.98-00p3), Monte Deva Obs. (April 26.03-04p5), Santa Maria de Montmagastrell Obs. (April 26.96-97p3), Montcabre Obs. (April 28.95-96p3), Berta Obs. (April 28.95-98p3), Castelmartini Obs. (April 30.85p3), Malaga Obs. (May 1.94p3), and Konan Obs. (May 2.55-56p3)
- 0074P 74P/Smirnova-Chernykh from Brixiis Obs. (April 13.94-97p7 & 25.08-11p7), Sendai Obs. (April 24.61p3), Osaki Obs. (April 24.62-64p3), Montcabre Obs. (April 28.97-98p3), Berta Obs. (April 28.99-02p4), Kurihara Obs. (April 29.46p1), Yatsuka Obs. (May 1.54p3), Blanquita Obs. (May 1.94-96p3), El Olivo Obs. (May 1.96p3), and Konan Obs. (May 2.54p3)
- 0030P 30P/Reinmuth 1 from Remanzacco Obs. (April 2.83p2), Odessa-Mayaki Obs. (April 13.76p1), Kiev Comet Station (April 26.85-86p2), Castelmartini Obs. (April 28.84p3 & 30.82-83p3), and Yatsuka Obs. (May 1.50-51p3)
- 0029P 29P/Schwassmann-Wachmann 1 from Odessa-Mayaki Obs. (April 8.78p1 & 21.82-85p10), Isle of Man Obs. (April 14.93p4), Castelmartini Obs. (April 18.87p3, 28.87p1 & 30.87p3), Vicksburg Obs. (April 21.07-12p4, 25.08-13p3, 26.08-11p3, 27.10-11p2, 28.07-11p3 & 30.09-11p3), Panker Obs. (April 21.91p1), Osaki Obs. (April 24.52-54p3), Atlante Obs. (April 24.88-90p2 & 25.88-90p2), Kurihara Obs. (April 25.44p1), Montcabre Obs. (April 25.93-94p3, 27.85-86p3 & 28.91-92p3), Monte Deva Obs. (April 25.95-96p5 & 26.92-94p5), Sierra Stars Obs. (April 26.18-22p5), La Vara Obs. (April 26.95p3 & 27.89p3), Carmelita Obs. (April 27.83-85p3), Nazaret Obs. (April 27.88p1), Berta Obs. (April 28.85-88p4), Nagano Obs. (April 29.47p2), Sendai Obs. (April 30.48p3), Yatsuka Obs. (May 1.48p3), and El Olivo Obs. (May 1.88-89p3)
- 0010P 10P/Tempel 2 from Tzec Maun Obs. Moorook (April 22.75p2), Chante-Perdrix Obs. (April 25.13-14p3), Maisoncelles Obs. (April 26.13-14p3), Castelmartini Obs. (April 29.09-10p3 & May 1.11-12p3), and Ageo Obs. (April 29.73-74p2)
- 0009P 9P/Tempel 1 from MLS (April 26.18-20p4), Castelmartini Obs. (April 28.86p3 & 30.84-85p3), and Altamira Obs. (May 1.93-95p3)
MPEC 2010-J08 - "18:06 UT" - Comet P/2010 H2 (Vales)
- PK10H020 P/2010 H2 (Vales) (q=3.109 AU, Q=4.588 AU, TP=2010 Mar. 2.507 TT) from Geisei Obs. (April 24.63-64p2), Kurihara Obs. (April 29.47p3), Hamamatsu-Yuto Obs. (April 29.52-53p3, May 1.49-52p6 & 2.50-52p3), SPAG Monfrague Obs. (April 29.89-91p3 & May 2.90-92p3), Sendai Obs. (April 30.49p3), Olmen Obs. (April 30.85-88p3), Zvezdno Obshtestvo Obs. (April 30.87-88p3), Castelmartini Obs. (April 30.99-00p3), Yatsuka Obs. (May 1.52p3), the SZTE Asteroid Program (May 1.86-87p3), El Olivo Obs. (May 1.89-90p3), Altamira Obs. (May 1.97-99p3), Blanquita Obs. (May 2.06-08p3), RAS Obs. Mayhill (May 2.31p1 & 2.37-38p4), Moriyama Obs. (May 2.58-59p2), and Vicksburg Obs. (May 3.14p1 & 3.21-25p3)
MPEC 2010-J07 - "17:58 UT" - Comet C/2010 G3 (WISE)
- CK10G030 C/2010 G3 (WISE) (i=108.2°, q=4.907 AU, TP=2010 Apr. 5.225 TT) from Geisei Obs. (April 20.79-80p2 & 23.75p2), Schiaparelli Obs. (April 21.12-13p2), Chante-Perdrix Obs. (April 25.12-13p3), Modra Obs. (April 26.08-09p3), MLS (April 26.48p4), SZTE (May 1.92-93p3), Zvezdno Obshtestvo Obs. (May 2.05-07p4), and Moriyama Obs. (May 2.70p2)
MPEC 2010-J06 - "17:54 UT" - Comet C/2010 G2 (Hill)
- CK10G020 C/2010 G2 (Hill) (i=104.1°, q=1.997 AU, TP=2011 Aug. 28.176 TT) from Schiaparelli Obs. (April 20.02p1 & 20.13p1), Geisei Obs. (April 20.78p1, 23.73-74p2 & 24.71p2), MLS (April 26.41-43p3), Castelmartini Obs. (May 1.04p3), and SZTE (May 1.90-91p3)
MPEC 2010-J05 - "17:51 UT" - Comet C/2010 G1 (Boattini)
- CK10G010 C/2010 G1 (Boattini) (i=78.4°, q=1.205 AU, TP=2010 Apr. 2.526 TT) from Moriyama Obs. (April 25.45p2 & May 2.45p2), MLS (April 26.12-13p6), Ageo Obs. (April 29.44-45p2 & May 2.44-45p2), and Yatsuka Obs. (May 2.46-47p2)
MPEC 2010-J04 - "17:40 UT" - Comet C/2010 A4 (Siding Spring)
- CK10A040 C/2010 A4 (Siding Spring) (i=96.7°, q=2.738 AU, Q=553.356 AU, TP=2010 Oct. 8.78662 TT) from WISE (April 28.20p1, 28.33p1, 28.53p1, 28.60p1 & 28.66p1) and Faulkes Telescope South (April 30.40p1)
<< DOU on 3 May '10 >> MPEC 2010-J03 - "06:06 UT" - Daily Orbit Update
- Observations of recently (no longer) risk-listed objects
- K10H20V 2010 HV20 (almost small, Q=4.693 AU, arc=7 days, H=21.9 ~141m) from Schiaparelli Obs. (April 27.93-96p3) and Tenagra II Obs. (May 2.27p3)
- K10G07T 2010 GT7 (Q=4.577 AU, arc=25 days, H=20.2 ~309m) from Tenagra II Obs. (May 2.30p3)
- K10G07S 2010 GS7 (Q=4.478 AU, arc=25 days, H=21.5 ~170m) from Castelmartini Obs. (April 29.81-82p3) and Tenagra II Obs. (May 2.29p3)
- Observations of small asteroids (H>22.0)
- K10F81A 2010 FA81 (arc=30 days, H=22.3 ~117m) from Schiaparelli Obs. (April 27.99-01p3)
- Observations of other objects
- K10G75R 2010 GR75 (arc=13 days, H=19.6 ~407m) from Schiaparelli Obs. (April 21.94-96p3)
- K10G65J 2010 GJ65 (arc=18 days, H=21.2 ~195m) from Tenagra II Obs. (May 2.22p2)
- K10G33O 2010 GO33 (Q=4.091 AU, arc=21 days, H=19.1 ~513m) from Tenagra II Obs. (May 2.26-27p3)
- K10G24A 2010 GA24 (arc=28 days, H=21.1 ~204m) from Blanquita Obs. (May 1.97-98p3)
- K10G21U 2010 GU21 (arc=27 days, H=21.1 ~204m) from Blanquita Obs. (May 2.00-02p5) and Hamamatsu-Yuto Obs. (May 2.61-65p7)
- K10F00Q 2010 FQ (arc=45 days, H=20.0 ~339m) from Tenagra II Obs. (May 2.28p3)
- K10ED5C 2010 EC135 (arc=40 days, H=19.9 ~355m) from Schiaparelli Obs. (April 21.84-85p2)
- K10E21F 2010 EF21 (Q=4.174 AU, arc=42 days, H=18.5 ~676m) from Schiaparelli Obs. (April 21.92p1)
- K10E12K 2010 EK12 (arc=3 opp, H=17.8 ~933m) from Arcadia Obs. (May 2.38-42p5)
- K09SA3O 2009 SO103 (arc=2 opp, H=17.4 ~1.12 km) from Schiaparelli Obs. (April 21.97-98p5)
- K07J20Z 2007 JZ20 (i=40.5°, arc=3 opp, H=18.5 ~676m) from Schiaparelli Obs. (April 27.98-99p2)
- K05S71C 2005 SC71 (arc=2 opp, H=18.3 ~741m) from Schiaparelli Obs. (April 21.88-89p2)
- K00H74D 2000 HD74 (i=49.2°, Q=4.664 AU, arc=3 opp, H=18.0 ~851m) from Schiaparelli Obs. (April 27.96-98p3)
- N7442 237442 1999 TA10 from the Spacewatch 0.9m telescope (May 2.31-35p3)
- N2382 232382 2003 BT47 from Castelmartini Obs. (April 29.86p3)
Observers on 3 May '10
A total of 63 observing facilities appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| 349 | Ageo Obs. in Japan, 7 in MPECs 2010-J05 & 2010-J09 -- C/2010 G1, C/2009 R1, C/2009 K5, C/2008 FK75, C/2006 Q1, 81P, 10P |
| J24 | Altamira Obs. in Spain, 5 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2008 N1, C/2005 L3, 94P, 9P |
| E23 | Arcadia Obs. in New South Wales, 1 in MPEC 2010-J03 -- 2010 EK12 |
| J51 | Atlante Obs. in the Canary Islands, 2 in MPEC 2010-J09 -- 81P, 29P |
| C12 | Berta Obs. in Spain, 4 in MPEC 2010-J09 -- C/2007 Q3-A, 81P, 74P, 29P |
| B75 | Betelgeuse Station in Italy, 1 in MPEC 2010-J09 -- C/2007 Q3-A |
| I99 | Blanquita Obs. in Spain, 4 in MPECs 2010-J03, 2010-J08 & 2010-J09 -- P/2010 H2, 2010 GU21, 2010 GA24, 74P |
| B96 | Brixiis Obs. in Belgium, 7 in MPEC 2010-J09 -- C/2009 K5, C/2008 N1, C/2008 FK75, C/2007 Q3-A, C/2005 L3, 81P, 74P |
| B20 | Carmelita Obs. in Spain, 1 in MPEC 2010-J09 -- 29P |
| 160 | Castelmartini Obs. in Italy, 20 in MPECs 2010-J03, 2010-J06, 2010-J08 & 2010-J09 -- P/2010 H2, 2010 GS7, C/2010 G2, C/2010 F1, P/2010 E2, C/2009 UG89, C/2009 R1, C/2008 N1, C/2007 Q3-A, C/2006 OF2, C/2005 L3, 232382, 157P, 118P, 94P, 81P, 30P, 29P, 10P, 9P |
| A77 | Chante-Perdrix Obs. in France, 6 in MPECs 2010-J07 & 2010-J09 -- C/2010 G3, C/2009 K5, C/2006 W3, C/2006 Q1, 116P, 10P |
| J01 | Cielo Profundo Obs. in Spain, 5 in MPEC 2010-J09 -- C/2008 N1, C/2008 FK75, C/2007 Q3-A, C/2006 Q1, 94P |
| J36 | El Olivo Obs. in Spain, 6 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2008 N1, C/2008 FK75, 81P, 74P, 29P |
| E85 | Farm Cove Obs. in New Zealand, 1 in MPEC 2010-J09 -- 195P |
| F65 | Faulkes Telescope North in Hawaii, 1 in MPEC 2010-J09 -- C/2009 K5 |
| E10 | Faulkes Telescope South in New South Wales, 1 in MPEC 2010-J04 -- C/2010 A4 |
| 372 | Geisei Obs. in Japan, 8 in MPECs 2010-J06, 2010-J07, 2010-J08 & 2010-J09 -- P/2010 H2, C/2010 G3, C/2010 G2, C/2009 UG89, C/2009 K5, C/2008 FK75, C/2007 Q3-A, 116P |
| 379 | Hamamatsu-Yuto Obs. in Japan, 2 in MPECs 2010-J03 & 2010-J08 -- P/2010 H2, 2010 GU21 |
| 196 | Homburg-Erbach Obs. in Germany, 1 in MPEC 2010-J09 -- C/2008 FK75 |
| 987 | Isle of Man Obs. on the Isle of Man, 2 in MPEC 2010-J09 -- P/2010 A3, 29P |
| 585 | Kiev Comet Station in the Ukraine, 2 in MPEC 2010-J09 -- C/2005 L3, 30P |
| 046 | Klet Obs. in the Czech Republic, 1 in MPEC 2010-J09 -- C/2010 F1 |
| 352 | Konan Obs. in Japan, 4 in MPEC 2010-J09 -- C/2009 K5, C/2008 FK75, 81P, 74P |
| D95 | Kurihara Obs. in Japan, 7 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2009 R1, C/2009 K5, C/2007 Q3-A, 81P, 74P, 29P |
| J38 | La Vara Obs. in Spain, 3 in MPEC 2010-J09 -- C/2009 Y1, C/2007 Q3-A, 29P |
| B82 | Maidbronn Obs. in Germany, 2 in MPEC 2010-J09 -- P/2010 A2, C/2008 Q3 |
| C10 | Maisoncelles Obs. in France, 2 in MPEC 2010-J09 -- C/2009 K5, 10P |
| J40 | Malaga Obs. in Spain, 3 in MPEC 2010-J09 -- C/2009 K5, C/2006 Q1, 81P |
| 568 | Mauna Kea in Hawaii, 1 in MPEC 2010-J09 -- P/2009 WX51 |
| 118 | Modra Obs. in Slovakia, 2 in MPECs 2010-J07 & 2010-J09 -- C/2010 G3, C/2007 Q3-A |
| 152 | Moletai Obs. in Lithuania, 1 in MPEC 2010-J09 -- 81P |
| 213 | Montcabre Obs. in Spain, 5 in MPEC 2010-J09 -- C/2009 K5, C/2007 Q3-A, 81P, 74P, 29P |
| 945 | Monte Deva Obs. in Spain, 4 in MPEC 2010-J09 -- C/2008 FK75, C/2007 Q3-A, 81P, 29P |
| 900 | Moriyama Obs. in Japan, 11 in MPECs 2010-J05, 2010-J07, 2010-J08 & 2010-J09 -- P/2010 H2, C/2010 G3, C/2010 G1, P/2010 E2, P/2010 A3, C/2009 K5, C/2008 FK75, C/2007 Q3-A, C/2006 Q1, C/2005 L3, 81P |
| G96 | Mt. Lemmon Survey (MLS) in Arizona, 5 in MPECs 2010-J05, 2010-J06, 2010-J07 & 2010-J09 -- C/2010 G3, C/2010 G2, C/2010 G1, C/2010 F1, 9P |
| A13 | Naef Obs. in Switzerland, 1 in MPEC 2010-J09 -- C/2009 Y1 |
| D81 | Nagano Obs. in Japan, 1 in MPEC 2010-J09 -- 29P |
| J47 | Nazaret Obs. in Spain, 1 in MPEC 2010-J09 -- 29P |
| 423 | North Ryde Obs. in New South Wales, 1 in MPEC 2010-J09 -- 195P |
| 583 | Odessa-Mayaki Obs. in the Ukraine, 4 in MPEC 2010-J09 -- 94P, 81P, 30P, 29P |
| C23 | Olmen Obs. in Belgium, 3 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2009 K5, C/2007 Q3-A |
| D92 | Osaki Obs. in Japan, 3 in MPEC 2010-J09 -- 81P, 74P, 29P |
| A32 | Panker Obs. in Germany, 1 in MPEC 2010-J09 -- 29P |
| H06 | RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-J08 -- P/2010 H2 |
| 473 | Remanzacco Obs. in Italy, 1 in MPEC 2010-J09 -- 30P |
| J07 | SPAG Monfrague Obs. in Spain, 1 in MPEC 2010-J08 -- P/2010 H2 |
| 461 | SZTE Asteroid Program in Hungary, 3 in MPECs 2010-J06, 2010-J07 & 2010-J08 -- P/2010 H2, C/2010 G3, C/2010 G2 |
| B74 | Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2010-J09 -- 81P |
| 204 | Schiaparelli Obs. in Italy, 13 in MPECs 2010-J03, 2010-J06, 2010-J07 & 2010-J09 -- 2010 HV20, 2010 GR75, C/2010 G3, C/2010 G2, 2010 FA81, 2010 EF21, 2010 EC135, C/2009 Y1, 2009 SO103, C/2007 Q3-A, 2007 JZ20, 2005 SC71, 2000 HD74 |
| D93 | Sendai Obs. in Japan, 8 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2008 FK75, C/2007 Q3-A, C/2005 L3, 94P, 81P, 74P, 29P |
| 510 | Siegen Obs. in Germany, 2 in MPEC 2010-J09 -- C/2007 Q3-A, 81P |
| G68 | Sierra Stars Obs. in northern California, 1 in MPEC 2010-J09 -- 29P |
| 071 | Smolyan Obs. in Bulgaria, 1 in MPEC 2010-J09 -- C/2007 Q3-A |
| 691 | Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2010-J03 -- 237442 |
| A71 | Stixendorf Obs. in Austria, 1 in MPEC 2010-J09 -- C/2009 K5 |
| 926 | Tenagra II Obs. in Arizona, 6 in MPEC 2010-J03 -- 2010 HV20, 2010 GT7, 2010 GS7, 2010 GO33, 2010 GJ65, 2010 FQ |
| H10 | Tzec Maun Obs. Mayhill in New Mexico, 4 in MPEC 2010-J09 -- C/2009 K5, C/2008 FK75, C/2007 Q3-A, 81P |
| D96 | Tzec Maun Obs. Moorook in South Australia, 3 in MPEC 2010-J09 -- C/2009 R1, C/2006 W3, 10P |
| C21 | Via Lactea, 3 in MPEC 2010-J09 -- C/2009 K5, C/2007 Q3-A, 81P |
| H47 | Vicksburg Obs. in Mississippi, 7 in MPECs 2010-J08 & 2010-J09 -- P/2010 H2, C/2008 FK75, C/2006 Q1, C/2005 L3, 94P, 81P, 29P |
| C51 | WISE in Earth polar orbit, 3 in MPECs 2010-J04, 2010-J09 & 2010-J10 -- 2010 CT149, C/2010 A4, C/2008 Q3 |
| 367 | Yatsuka Obs. in Japan, 13 in MPECs 2010-J05, 2010-J08 & 2010-J09 -- P/2010 H2, C/2010 G1, P/2010 A3, C/2009 R1, C/2009 K5, C/2007 Q3-A, C/2006 W3, 118P, 94P, 81P, 74P, 30P, 29P |
| A79 | Zvezdno Obshtestvo Obs. in Bulgaria, 3 in MPECs 2010-J07, 2010-J08 & 2010-J09 -- P/2010 H2, C/2010 G3, C/2006 Q1 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 3 May '10
At last check (NEODyS and JPL at 2358 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 3 May '10
Times are UTC for when items were noted or added by The Tracking News.
| 2004 | Grabbed MPEC 2010-J09 - Observations of Comets - see above Grabbed MPEC 2010-J10 - 2010 CT149 - see above |
| 1817 | Grabbed MPEC 2010-J04 - Comet C/2010 A4 (Siding Spring) - see above Grabbed MPEC 2010-J05 - Comet C/2010 G1 (Boattini) - see above Grabbed MPEC 2010-J06 - Comet C/2010 G2 (Hill) - see above Grabbed MPEC 2010-J07 - Comet C/2010 G3 (WISE) - see above Grabbed MPEC 2010-J08 - Comet P/2010 H2 (Vales) - see above |
| 1343 | Grabbed MPEC 2010-J03 - Daily Orbit Update - see above |
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