2010-02-09 Tracking News

Contents on 9 February '10

IAU Minor Planet Center
- NEOCP Activity -- 16 listings: 8 new, 8 updated
- New MPECs -- eleven MPECs
Observers -- 69 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
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 9 February '10

The MPC's NEO Confirmation Page has 16 listings: 8 new, 8 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had eight new and eight updated listings. Of these, eleven were "one nighters." So far The Tracking News has counted a total of 20 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 9 February '10

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been eleven MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2010-C24 time-stamped "07:19 UT" - Daily Orbit Update - see below
MPEC 2010-C25 time-stamped "17:07 UT" - 2010 CT - see below
MPEC 2010-C26 time-stamped "20:04 UT" - Comet P/2010 C1 (Scotti) - see below
MPEC 2010-C27 time-stamped "21:35 UT" - Comet C/2009 Y1 (Catalina) - see below
MPEC 2010-C28 time-stamped "21:40 UT" - Comet P/2009 Y2 (Kowalski) - see below
MPEC 2010-C29 time-stamped "21:44 UT" - Comet P/2010 A1 (Hill) - see below
MPEC 2010-C30 time-stamped "21:48 UT" - Comet P/2010 A2 (LINEAR) - see below
MPEC 2010-C31 time-stamped "21:51 UT" - Comet C/2010 A4 (Siding Spring) - see below
MPEC 2010-C32 time-stamped "21:56 UT" - Comet P/2010 A5 (LINEAR) - see below
MPEC 2010-C33 time-stamped "22:00 UT" - Comet C/2010 B1 (Cardinal) - see below
MPEC 2010-C34 time-stamped "22:17 UT" - Observations of Comets

MPEC 2010-C34 - "22:17 UT" - Observations of Comets

PK10A030 P/2010 A3 (Hill) from Nazaret Obs. (Feb. 4.85-86p3), Montcabre Obs. (Feb. 5.76-77p3), Maidbronn Obs. (Feb. 7.79-80p3), and Castelmartini Obs. (Feb. 7.81-82p3)
CK09W020 C/2009 W2 (Boattini) from Ageo Obs. (Jan. 17.61-62p2 & 23.64-66p2) and Schiaparelli Obs. (Jan. 21.94p1)
CK09U030 C/2009 U3 (Hill) from Cockfield Obs. (Feb. 5.82p1), Santa Maria de Montmagastrell Obs. (Feb. 5.82-84p3), Castelmartini Obs. (Feb. 7.73p3), and CAST Obs. (Feb. 8.79p1)
PK09T020 P/2009 T2 (La Sagra) from Cielo Profundo Obs. (Feb. 2.80-81p3) and Castelmartini Obs. (Feb. 7.75-76p5)
PK09Q040 P/2009 Q4 (Boattini) from Cielo Profundo Obs. (Feb. 3.05-08p3), Hradec Kralove Obs. (Feb. 4.02-03p5), Stixendorf Obs. (Feb. 4.96-97p4), Rodeno Obs. (Feb. 6.03-04p3), Posadas Obs. (Feb. 7.03-04p3), Sendai Obs. (Feb. 7.67-68p3), Castelmartini Obs. (Feb. 8.13-14p3), CAST Obs. (Feb. 8.87p1), and LINEAR (Feb. 9.37-41p3)
CK09K050 C/2009 K5 (McNaught) from Ageo Obs. (Feb. 6.82-83p3) and Tzec Maun Obs. Moorook (Feb. 9.79p2)
CK08F75K C/2008 FK75 (2008 FK75) from RAS Obs. Mayhill (Jan. 27.52-53p3) and Schiaparelli Obs. (Feb. 2.19p2)
CK07Q030 C/2007 Q3 (Siding Spring) from Tzec Maun Obs. Mayhill (Jan. 1.48-51p5), Hradec Kralove Obs. (Feb. 4.03-04p5), Rodeno Obs. (Feb. 6.09-10p3), Masquefa Obs. (Feb. 6.10-11p3), Nazaret Obs. (Feb. 6.26-27p5), RAS Mayhill (Feb. 6.28-29p2), Montseny Obs. (Feb. 7.01-04p13), Posadas Obs. (Feb. 7.04-05p3), Castelmartini Obs. (Feb. 8.12p3), and CAST Obs. (Feb. 8.94p1)
CK07N030 C/2007 N3 (Lulin) from Ageo Obs. (Jan. 23.60-61p2), Alginet Obs. (Jan. 28.80-81p2), Maisoncelles Obs. (Feb. 1.88-89p2), the Catalina Sky Survey (CSS) (Feb. 5.09-10p4), LINEAR (Feb. 7.15-20p5), Maidbronn Obs. (Feb. 7.84-85p3), Castelmartini Obs. (Feb. 7.94p3), and CAST Obs. (Feb. 8.80p1)
CK06O02F C/2006 OF2 (Broughton) from Tzec Maun Obs. Moorook (Jan. 21.70-71p2), Malaga Obs. (Feb. 7.01-03p3), and CAST Obs. (Feb. 8.88p1)
CK05L030 C/2005 L3 (McNaught) from Masquefa Obs. (Feb. 6.08-09p3), Rodeno Obs. (Feb. 6.11-12p3), Hamamatsu-Yuto Obs. (Feb. 6.82-84p3), and Sendai Obs. (Feb. 7.72p2)
0230P 230P/LINEAR from Castelmartini Obs. (Jan. 22.11p3 & Feb. 8.17p3), Cielo Profundo Obs. (Feb. 3.09-11p3), and LINEAR (Feb. 7.35-39p4)
0228P 228P/LINEAR from Ageo Obs. (Dec. 20.61-62p2) and the Spacewatch 0.9m telescope (Feb. 5.14-18p3)
0217P 217P/LINEAR from Remanzacco Obs. (Jan. 13.91p2), Hobbs Obs. (Jan. 18.04-07p3), Maisoncelles Obs. (Feb. 1.77-78p9), Montcabre Obs. (Feb. 3.92-93p2), Brixiis Obs. (Feb. 4.78-80p4), Masquefa Obs. (Feb. 6.88-91p3), Maidbronn Obs. (Feb. 7.91-93p4), Castelmartini Obs. (Feb. 7.97-98p3), and CAST Obs. (Feb. 8.81p1)
0203P 203P/Korlevic from Ageo Obs. (Jan. 23.56-58p2), Masquefa Obs. (Feb. 6.80-84p3), and LINEAR (Feb. 7.15-20p4)
0169P 169P/NEAT from Ageo Obs. (Jan. 28.66p3), Stixendorf Obs. (Feb. 4.00-01p5), Beta Orionis Obs. (Feb. 5.15-16p3 & 9.05-06p3), Masquefa Obs. (Feb. 5.00-01p3), Tzec Maun Obs. Moorook (Feb. 6.49-51p3 & 8.65-68p3), Vicksburg Obs. (Feb. 8.25-26p3), and CAST Obs. (Feb. 8.86p1)
0157P 157P/Tritton from Hobbs Obs. (Nov. 18.06-09p3 & Jan. 10.05-08p3), Alginet Obs. (Jan. 28.78-79p3), Brixiis Obs. (Feb. 5.77-79p4), Santa Maria de M. Obs. (Feb. 5.81p3), Rodeno Obs. (Feb. 6.80p3), San Vito Obs. (Feb. 7.73-76p3), Cavezzo Obs. (Feb. 7.76-77p3), Maidbronn Obs. (Feb. 7.77-78p4), and CAST Obs. (Feb. 8.78p1)
0118P 118P/Shoemaker-Levy 4 from Hobbs Obs. (Jan. 18.04-07p3), Alginet Obs. (Jan. 28.86-88p3 & Feb. 2.83p2), Maisoncelles Obs. (Feb. 1.86-87p7), Stixendorf Obs. (Feb. 2.73-74p2), Kurihara Obs. (Feb. 3.45p3 & 9.43p3), Betelgeuse Station (Feb. 3.88p3), Gieres Obs. (Feb. 3.91-93p2), Hradec Kralove Obs. (Feb. 3.98p5), Skylive Obs. (Feb. 4.74-75p2), La Vara Obs. (Feb. 5.03-04p3), Hamamatsu-Yuto Obs. (Feb. 5.51-53p4 & 6.54-56p5), Montcabre Obs. (Feb. 5.78-79p3), Carmelita Obs. (Feb. 5.87-88p3), Masquefa Obs. (Feb. 5.97-98p3), Rodeno Obs. (Feb. 6.01-02p3 & 9.82-84p3), Tzec Maun Obs. Moorook (Feb. 6.55p3), Cavezzo Obs. (Feb. 7.81p2), Nazaret Obs. (Feb. 7.89-91p5), Castelmartini Obs. (Feb. 7.98p3), Vicksburg Obs. (Feb. 8.14-17p3), and CAST Obs. (Feb. 8.81p1)
0094P 94P/Russell 4 from Cielo Profundo Obs. (Feb. 3.02-04p3), Gieres Obs. (Feb. 3.97-01p3), Hradec Kralove Obs. (Feb. 4.01-02p5), Montseny Obs. (Feb. 6.95-98p9), LINEAR (Feb. 7.30-34p4 & 9.37-41p4), Capannoli Obs. (Feb. 7.99p3), Castelmartini Obs. (Feb. 8.13p3), and CAST Obs. (Feb. 8.87p1)
0088P 88P/Howell from Nazaret Obs. (Feb. 4.82p3 & 5.81-82p3) and Santa Maria de M. Obs. (Feb. 5.76-77p3)
0081P 81P/Wild 2 from Tzec Maun Obs. Mayhill (Jan. 1.52p3), Rodeno Obs. (Feb. 6.13-14p3), Montcabre Obs. (Feb. 7.03-04p3), and Castelmartini Obs. (Feb. 8.20p3)
0064P 64P/Swift-Gehrels from Schiaparelli Obs. (Jan. 16.18-21p2) and Ageo Obs. (Jan. 24.66-68p2)
0044P 44P/Reinmuth 2 from Schiaparelli Obs. (Jan. 21.97-00p3), Ageo Obs. (Jan. 24.59-60p2), and Chante-Perdrix Obs. (Feb. 7.86-88p3)
0030P 30P/Reinmuth 1 from Hobbs Obs. (Jan. 18.04-07p3), Alginet Obs. (Jan. 28.83-84p3 & Feb. 2.82-83p3), Maisoncelles Obs. (Feb. 1.87-88p8), Gieres Obs. (Feb. 3.89-91p2), Cordell-Lorenz Obs. (Feb. 4.14-16p2), Borken Obs. (Feb. 4.87-89p4), Tzec Maun Obs. Mayhill (Feb. 5.18-19p3), Brixiis Obs. (Feb. 5.80-83p5), Carmelita Obs. (Feb. 5.90-91p3), Montcabre Obs. (Feb. 5.93-94p3), Rodeno Obs. (Feb. 5.93-95p3, 6.83-84p3 & 9.84-86p3), Masquefa Obs. (Feb. 6.84-86p3), Balzaretto Obs. (Feb. 7.76-77p2), Capannoli Obs. (Feb. 7.78-79p3), Maidbronn Obs. (Feb. 7.86-87p3), Castelmartini Obs. (Feb. 7.95p4), Vicksburg Obs. (Feb. 8.07-11p3), CAST Obs. (Feb. 8.80p1), and Tzec Maun Obs. Moorook (Feb. 9.51-52p3)
0029P 29P/Schwassmann-Wachmann 1 from Tzec Maun Obs. Moorook (Jan. 21.66p1, 23.60p3, Feb. 5.56-57p3, 5.72-75p6, 6.51-54p4, 8.70-71p2 & 8.77-78p3), Kurihara Obs. (Feb. 3.46-47p3 & 7.47p3), Gualba Obs. (Feb. 3.83-84p3, 4.18-19p4 & 5.99-00p2), Berta Obs. (Feb. 3.85-88p3), Montcabre Obs. (Feb. 3.89-91p3, 5.96p3, 6.95p1 & 6.00-02p3), Gieres Obs. (Feb. 3.95-96p5), Vallauris Obs. (Feb. 3.98-99p3), Hradec Kralove Obs. (Feb. 3.99p5), Cordell-Lorenz Obs. (Feb. 4.14-17p2), Brixiis Obs. (Feb. 4.84-87p5 & 5.84-89p6), Stixendorf Obs. (Feb. 4.93-97p8), Atlante Obs. (Feb. 4.95-97p3), La Vara Obs. (Feb. 5.02p3), Beta Orionis Obs. (Feb. 5.14-15p3 & 9.07-08p3), Chante-Perdrix Obs. (Feb. 5.84-86p3 & 6.88-89p3), Busot Obs. (Feb. 5.88p1), Paus Obs. (Feb. 5.88-90p3 & 6.96-97p3), Rodeno Obs. (Feb. 5.91-92p3, 6.14-16p3 & 9.87-88p3), Carmelita Obs. (Feb. 5.96-97p3 & 7.02-03p3), Nazaret Obs. (Feb. 5.00-01p5 & 7.08-11p6), Masquefa Obs. (Feb. 6.02-03p3, 6.96p1 & 7.01-03p2), RAS Mayhill (Feb. 6.28p2, 6.38p1, 7.30p1 & 7.41-43p4), Hamamatsu-Yuto Obs. (Feb. 6.75-76p4), Masia Cal Maciarol Modul 8 (MCM8) (Feb. 6.88-90p3), Montseny Obs. (Feb. 6.90-94p19), SPAG Monfrague Obs. (Feb. 6.95-98p3), Malaga Obs. (Feb. 6.95-98p3), Blanquita Obs. (Feb. 6.97p1 & 7.07-08p2), Posadas Obs. (Feb. 6.99-00p3), Cavezzo Obs. (Feb. 7.84-85p2), Capannoli Obs. (Feb. 7.86-88p2 & 7.94p2), Rouet Obs. (Feb. 7.87-88p4), Castelmartini Obs. (Feb. 8.06p3), Vicksburg Obs. (Feb. 8.19-24p5), CAST Obs. (Feb. 8.89p1), Corner Obs. (Feb. 9.00-01p4), and Wiggins Obs. (Feb. 9.28-33p4)
0022P 22P/Kopff from Ageo Obs. (Jan. 23.41-43p2), Nazaret Obs. (Feb. 4.83-84p3), and Santa Maria de M. Obs. (Feb. 5.77-79p3)
0009P 9P/Tempel 1 from Ageo Obs. (Jan. 23.73-74p2), CSS (Feb. 5.18-19p4), and Paus Obs. (Feb. 6.89-94p3)

MPEC 2010-C33 - "22:00 UT" - Comet C/2010 B1 (Cardinal)

CK10B010 C/2010 B1 (Cardinal) (i=102.0°, q=2.943 AU, TP=2011 Feb. 6.889 TT) from Moletai Obs. (Jan. 22.90-91p8), Chante-Perdrix Obs. (Feb. 3.80-82p3), Atlante Obs. (Feb. 4.98-99p2), Malaga Obs. (Feb. 6.80-83p3), Terskol Obs. (Feb. 7.02-03p3), Masquefa Obs. (Feb. 7.06-07p3), Sendai Obs. (Feb. 7.64-65p3), Castelmartini Obs. (Feb. 7.74-75p3), Maidbronn Obs. (Feb. 7.89-90p5), Pear Tree Obs. (Feb. 8.09-12p3), and CAST Obs. (Feb. 8.83p1)

MPEC 2010-C32 - "21:56 UT" - Comet P/2010 A5 (LINEAR)

PK10A050 P/2010 A5 (LINEAR) (q=1.711 AU, Q=8.430 AU, TP=2010 Apr. 19.397 TT) from Terskol Obs. (Feb. 7.06p3), Sendai Obs. (Feb. 7.78p3), and Tzec Maun Obs. Moorook (Feb. 8.72-73p2)

MPEC 2010-C31 - "21:51 UT" - Comet C/2010 A4 (Siding Spring)

CK10A040 C/2010 A4 (Siding Spring) (i=96.8°, q=2.741 AU, TP=2010 Oct. 7.775 TT) from Ageo Obs. (Jan. 24.73-75p2), Farm Cove Obs. (Feb. 4.48-50p3), and Tzec Maun Obs. Moorook (Feb. 6.58p3)

MPEC 2010-C30 - "21:48 UT" - Comet P/2010 A2 (LINEAR)

PK10A020 P/2010 A2 (LINEAR) (q=2.008 AU, TP=2009 Dec. 3.87659 TT) from Montcabre Obs. (Feb. 6.80-81p2), Paus Obs. (Feb. 6.82-84p2), and Chante-Perdrix Obs. (Feb. 7.79-81p3)

MPEC 2010-C29 - "21:44 UT" - Comet P/2010 A1 (Hill)

PK10A010 P/2010 A1 (Hill) (q=1.950 AU, Q=6.798 AU, TP=2009 Aug. 6.9343 TT) from Remanzacco Obs. (Jan. 16.00-02p2), Moletai Obs. (Jan. 22.94p3), Busot Obs. (Feb. 5.84-85p2), Chante-Perdrix Obs. (Feb. 6.86-88p3), and Terskol Obs. (Feb. 7.03-04p3)

MPEC 2010-C28 - "21:40 UT" - Comet P/2009 Y2 (Kowalski)

PK09Y020 P/2009 Y2 (Kowalski) (q=2.339 AU, Q=10.659 AU, TP=2010 Mar. 30.6982 TT) from Remanzacco Obs. (Dec. 22.81-82p2), LINEAR (Feb. 7.08-13p5), and Maidbronn Obs. (Feb. 7.81-82p3)

MPEC 2010-C27 - "21:35 UT" - Comet C/2009 Y1 (Catalina)

CK09Y010 C/2009 Y1 (Catalina) (i=107.3°, q=2.520 AU, Q=728.932 AU, TP=2011 Jan. 28.93589 TT) from Remanzacco Obs. (Dec. 29.15p2), Ageo Obs. (Jan. 23.78-79p2), Geisei Obs. (Jan. 24.71p1), Paus Obs. (Feb. 5.94-97p3), Terskol Obs. (Feb. 7.05p3), and Sendai Obs. (Feb. 7.66-67p3)

MPEC 2010-C26 - "20:04 UT" - Comet P/2010 C1 (Scotti)

PK10C010 P/2010 C1 (Scotti) (Centaur, q=5.235 AU, Q=8.892 AU, TP=2009 Dec. 1.27027 TT) from the Mt. Lemmon Survey (MLS) (2008 Dec. 30.29-32p4, 2009 Feb. 1.22-24p4 & 2009 Feb. 28.17-19p4), the Spacewatch 1.8m telescope (2009 Jan. 2.42p3), and Spacewatch 0.9m (Jan. 12.46-50p3, Feb. 5.41-44p3 & 9.21-25p3)

MPEC 2010-C25 - "17:07 UT" - 2010 CT

K10C00T 2010 CT (H=20.5 ~269m) was discovered at 1541 UT on 8 Feb. by the Siding Spring Survey (SSS), which observed it at Feb. 8.65-68p2 and 9.42-43p2.

<< DOU on 9 Feb. '10 >> MPEC 2010-C24 - "07:19 UT" - Daily Orbit Update

Observations of risk-listed objects
K10C00A 2010 CA (small asteroid, arc=3 days, H=24.6 ~41m) from Astronomical Research Obs. Westfield (ARO Westfield) (Feb. 8.16-17p4)
Observations of recently (no longer) risk-listed objects
K10B00B 2010 BB (arc=23 days, H=20.0 ~339m) from ARO Westfield (Feb. 8.03-04p3)
Observations of small asteroids (H>22.0)
K10C00N 2010 CN (arc=2 days, H=23.4 ~71m) from ESA Optical Ground Station (ESA OGS) (Feb. 7.09p1 & 7.13p1)
K10A30J 2010 AJ30 (arc=29 days, H=22.7 ~98m) from ARO Westfield (Feb. 8.08-10p4)
K10A03B 2010 AB3 (Q=4.354 AU, arc=31 days, H=23.3 ~74m) from Spacewatch 1.8m (Feb. 8.19-20p3)
K09X08H 2009 XH8 (arc=55 days, H=23.2 ~78m) from ARO Westfield (Feb. 8.13-15p3 at V=22.0-22.1)
K02X38Y 2002 XY38 (arc=2 opp, H=23.0 ~85m) from Walnut Creek Obs. (Feb. 8.25p3) and Tzec Maun Obs. Moorook (Feb. 8.69-70p2)
Observations of almost-small asteroids (21.7<H<=22.0)
K10B02K 2010 BK2 (arc=19 days, H=21.9 ~141m) from ARO Westfield (Feb. 7.15-16p3)
K10A60O 2010 AO60 (arc=25 days, H=21.8 ~148m) from ARO Westfield (Feb. 7.19-20p4) and Mirasteilas Obs. (Feb. 8.95-96p3)
Observations of other objects
K10B03T 2010 BT3 (arc=16 days, H=21.5 ~170m) from ARO Westfield (Feb. 8.18-19p3)
K10B03B 2010 BB3 (arc=19 days, H=20.2 ~309m) from Castelmartini Obs. (Feb. 8.10p3) and Mirasteilas Obs. (Feb. 8.87-88p3)
K10B02G 2010 BG2 (i=43.1°, q=0.313 AU, Q=6.491 AU, arc=20 days, H=19.9 ~355m) from ARO Westfield (Feb. 7.31-33p4)
K10B00Q 2010 BQ (i=37.0°, arc=22 days, H=20.1 ~323m) from ARO Westfield (Feb. 7.23-24p3)
K10A00K 2010 AK (arc=33 days, H=19.4 ~446m) from ARO Westfield (Feb. 8.20-21p3 at V=21.6-22.2) and Spacewatch 1.8m (Feb. 8.30-33p3)
K10A00J 2010 AJ (Q=4.552 AU, arc=33 days, H=20.2 ~309m) from Spacewatch 1.8m (Feb. 8.38-39p3)
K10A00E 2010 AE (arc=34 days, H=19.5 ~426m) from ARO Westfield (Feb. 8.22-24p5)
K09Y00O 2009 YO (arc=52 days, H=18.5 ~676m) from Spacewatch 1.8m (Feb. 8.24-26p3)
K09WA4Z 2009 WZ104 (arc=74 days, H=20.5 ~269m) from ARO Westfield (Feb. 7.02-04p3)
K09W26C 2009 WC26 (arc=77 days, H=17.3 ~1.17 km) from ARO Westfield (Feb. 7.05p3)
K09W06R 2009 WR6 (arc=2 opp, H=18.3 ~741m) from ARO Westfield (Feb. 8.21p3)
K09W06O 2009 WO6 (Q=4.882 AU, arc=106 days, H=17.3 ~1.17 km) from Schiaparelli Obs. (Feb. 1.82-83p2)
K09W00F 2009 WF (arc=84 days, H=19.9 ~355m) from Spacewatch 1.8m (Feb. 8.22-23p3)
K09U03N 2009 UN3 (i=37.4°, arc=112 days, H=17.9 ~891m) from Tzec Maun Obs. Moorook (Feb. 8.71-73p9)
K08C01N 2008 CN1 (arc=2 opp, H=20.6 ~257m) from Schiaparelli Obs. (Feb. 1.78-80p2)
K07U03R 2007 UR3 (arc=3 opp, H=21.2 ~195m) from Schiaparelli Obs. (Feb. 1.88-89p3) and Mirasteilas Obs. (Feb. 9.06-07p3)
K07M13K 2007 MK13 (arc=3 opp, H=20.0 ~339m) from Mirasteilas Obs. (Feb. 8.96-98p3)
K06R07G 2006 RG7 (arc=3 opp, H=18.9 ~562m) from Spacewatch 1.8m (Feb. 8.41-42p3 at V=21.7-22.1)
K06A04O 2006 AO4 (Q=4.162 AU, arc=4 opp, H=15.5 ~2.69 km, q=1.098 AU) from Mirasteilas Obs. (Feb. 8.84-85p3)
K05EV8D 2005 ED318 (arc=2 opp, H=20.8 ~234m) from Spacewatch 1.8m (Feb. 8.43-45p3)
K04T18B 2004 TB18 (arc=3 opp, H=17.7 ~977m) from Schiaparelli Obs. (Feb. 2.16-17p3)
K04T13R 2004 TR13 (arc=4 opp, H=18.5 ~676m) from Mirasteilas Obs. (Feb. 8.92p3)
K03C11H 2003 CH11 (i=36.4°, arc=2 opp, H=19.4 ~446m) from Schiaparelli Obs. (Feb. 1.85-86p2) and Castelmartini Obs. (Feb. 8.02p3)
K03B47T 2003 BT47 (arc=4 opp, H=17.4 ~1.12 km) from Castelmartini Obs. (Feb. 8.11p3)
K02N01P 2002 NP1 (arc=3 opp, H=17.6 ~1.02 km) from LINEAR (Feb. 6.09-12p4)
K02L00V 2002 LV (arc=3 opp, H=16.6 ~1.62 km) from ARO Westfield (Feb. 7.11-12p3)
K02C26F 2002 CF26 (arc=6 opp, H=17.2 ~1.23 km) from Schiaparelli Obs. (Feb. 3.95-96p2)
K02AC9J 2002 AJ129 (q=0.117 AU, arc=3 opp, H=18.5 ~676m) from Castelmartini Obs. (Feb. 8.15p3)
K01P09T 2001 PT9 (arc=2 opp, H=20.6 ~257m) from Castelmartini Obs. (Feb. 8.15p3)
J99R32C 1999 RC32 (arc=4 opp, H=18.4 ~708m) from LINEAR (Feb. 6.40-45p5)
J98O01K 1998 OK1 (arc=2 opp, H=19.4 ~446m) from LINEAR (Feb. 6.40-45p4)
J94C00B 1994 CB (arc=3 opp, H=21.0 ~214m) from Schiaparelli Obs. (Feb. 1.92-93p3)
N0420 230420 2002 PP6 from Castelmartini Obs. (Feb. 7.00p3)
G3696 163696 2003 EB50 from LINEAR (Feb. 6.09-14p5)
G2038 162038 1996 DH from Castelmartini Obs. (Feb. 8.07p3)
F9454 159454 2000 DJ8 from Castelmartini Obs. (Feb. 8.16p3)
F2941 152941 2000 FM10 from LINEAR (Feb. 6.10-14p4)
A5141 105141 2000 NF11 from LINEAR (Feb. 6.30-33p4) and Castelmartini Obs. (Feb. 8.07-08p2)
99935 99935 2002 AV4 from Castelmartini Obs. (Feb. 7.78p3)
96590 96590 1998 XB from Castelmartini Obs. (Feb. 7.80-81p3)
86067 86067 1999 RM28 from Castelmartini Obs. (Feb. 8.10-11p3)
85839 85839 1998 YO4 from LINEAR (Feb. 6.34-39p5) and Castelmartini Obs. (Feb. 8.17p3)
68216 68216 2001 CV26 from Castelmartini Obs. (Feb. 8.19p3)
54789 54789 2001 MZ7 from Castelmartini Obs. (Feb. 8.04p2)
35432 35432 1998 BG9 from LINEAR (Feb. 6.40-45p5)
27346 27346 2000 DN8 from Walnut Creek Obs. (Feb. 8.24p3)
03552 3552 Don Quixote (1983 SA) from Castelmartini Obs. (Feb. 7.77p2)
01862 1862 Apollo (1932 HA) from LINEAR (Feb. 6.29-32p3)
01627 1627 Ivar (1929 SH) from Castelmartini Obs. (Feb. 8.14p3)
00433 433 Eros (1898 DQ) from Castelmartini Obs. (Feb. 7.77-78p3)

Observers on 9 February '10

A total of 69 observing facilities appear in today's MPECs.

Code	Observer / observatory
`349`	Ageo Obs. in Japan, 12 in MPECs 2010-C27, 2010-C31 & 2010-C34 -- C/2010 A4, C/2009 Y1, C/2009 W2, C/2009 K5, C/2007 N3, 228P, 203P, 169P, 64P, 44P, 22P, 9P
`J97`	Alginet Obs. in Spain, 4 in MPEC 2010-C34 -- C/2007 N3, 157P, 118P, 30P
`H21`	Astronomical Research Obs. Westfield (ARO Westfield) in Illinois, 15 in MPEC 2010-C24 -- 2010 CA, 2010 BT3, 2010 BQ, 2010 BK2, 2010 BG2, 2010 BB, 2010 AO60, 2010 AK, 2010 AJ30, 2010 AE, 2009 XH8, 2009 WZ104, 2009 WR6, 2009 WC26, 2002 LV
`J51`	Atlante Obs. in the Canary Islands, 2 in MPECs 2010-C33 & 2010-C34 -- C/2010 B1, 29P
`A81`	Balzaretto Obs. in Italy, 1 in MPEC 2010-C34 -- 30P
`C12`	Berta Obs. in Spain, 1 in MPEC 2010-C34 -- 29P
`I32`	Beta Orionis Obs. in Argentina, 2 in MPEC 2010-C34 -- 169P, 29P
`B75`	Betelgeuse Station in Italy, 1 in MPEC 2010-C34 -- 118P
`I99`	Blanquita Obs. in Spain, 1 in MPEC 2010-C34 -- 29P
`B59`	Borken Obs. in Germany, 1 in MPEC 2010-C34 -- 30P
`B96`	Brixiis Obs. in Belgium, 4 in MPEC 2010-C34 -- 217P, 157P, 30P, 29P
`J02`	Busot Obs. in Spain, 2 in MPECs 2010-C29 & 2010-C34 -- P/2010 A1, 29P
`235`	CAST Obs. in Italy, 13 in MPECs 2010-C33 & 2010-C34 -- C/2010 B1, C/2009 U3, P/2009 Q4, C/2007 Q3, C/2007 N3, C/2006 OF2, 217P, 169P, 157P, 118P, 94P, 30P, 29P
`B09`	Capannoli Obs. in Italy, 3 in MPEC 2010-C34 -- 94P, 30P, 29P
`B20`	Carmelita Obs. in Spain, 3 in MPEC 2010-C34 -- 118P, 30P, 29P
`160`	Castelmartini Obs. in Italy, 32 in MPECs 2010-C24, 2010-C33 & 2010-C34 -- 2010 BB3, C/2010 B1, P/2010 A3, C/2009 U3, P/2009 T2, P/2009 Q4, C/2007 Q3, C/2007 N3, 2003 CH11, 2003 BT47, 2002 AJ129, 2001 PT9, 99935, 96590, 86067, 85839, 68216, 54789, 230420, 162038, 159454, 105141, 3552, 1627, 433, 230P, 217P, 118P, 94P, 81P, 30P, 29P
`703`	Catalina Sky Survey (CSS) in Arizona, 2 in MPEC 2010-C34 -- C/2007 N3, 9P
`107`	Cavezzo Obs. in Italy, 3 in MPEC 2010-C34 -- 157P, 118P, 29P
`A77`	Chante-Perdrix Obs. in France, 5 in MPECs 2010-C29, 2010-C30, 2010-C33 & 2010-C34 -- C/2010 B1, P/2010 A2, P/2010 A1, 44P, 29P
`J01`	Cielo Profundo Obs. in Spain, 4 in MPEC 2010-C34 -- P/2009 T2, P/2009 Q4, 230P, 94P
`480`	Cockfield Obs. in England, 1 in MPEC 2010-C34 -- C/2009 U3
`850`	Cordell-Lorenz Obs. in Tennessee, 2 in MPEC 2010-C34 -- 30P, 29P
`B50`	Corner Obs. in Germany, 1 in MPEC 2010-C34 -- 29P
`J04`	ESA Optical Ground Station in the Canary Islands, 1 in MPEC 2010-C24 -- 2010 CN
`E85`	Farm Cove Obs. in New Zealand, 1 in MPEC 2010-C31 -- C/2010 A4
`372`	Geisei Obs. in Japan, 1 in MPEC 2010-C27 -- C/2009 Y1
`B83`	Gieres Obs. in France, 4 in MPEC 2010-C34 -- 118P, 94P, 30P, 29P
`442`	Gualba Obs. in Spain, 1 in MPEC 2010-C34 -- 29P
`379`	Hamamatsu-Yuto Obs. in Japan, 3 in MPEC 2010-C34 -- C/2005 L3, 118P, 29P
`750`	Hobbs Obs. in Wisconsin, 4 in MPEC 2010-C34 -- 217P, 157P, 118P, 30P
`048`	Hradec Kralove Obs. in the Czech Republic, 5 in MPEC 2010-C34 -- P/2009 Q4, C/2007 Q3, 118P, 94P, 29P
`D95`	Kurihara Obs. in Japan, 2 in MPEC 2010-C34 -- 118P, 29P
`704`	LINEAR in New Mexico, 15 in MPECs 2010-C24, 2010-C28 & 2010-C34 -- P/2009 Y2, P/2009 Q4, C/2007 N3, 2002 NP1, 1999 RC32, 1998 OK1, 85839, 35432, 163696, 152941, 105141, 1862, 230P, 203P, 94P
`J38`	La Vara Obs. in Spain, 2 in MPEC 2010-C34 -- 118P, 29P
`B82`	Maidbronn Obs. in Germany, 7 in MPECs 2010-C28, 2010-C33 & 2010-C34 -- C/2010 B1, P/2010 A3, P/2009 Y2, C/2007 N3, 217P, 157P, 30P
`C10`	Maisoncelles Obs. in France, 4 in MPEC 2010-C34 -- C/2007 N3, 217P, 118P, 30P
`J40`	Malaga Obs. in Spain, 3 in MPECs 2010-C33 & 2010-C34 -- C/2010 B1, C/2006 OF2, 29P
`A02`	Masia Cal Maciarol Modul 8 in Spain, 1 in MPEC 2010-C34 -- 29P
`232`	Masquefa Obs. in Spain, 9 in MPECs 2010-C33 & 2010-C34 -- C/2010 B1, C/2007 Q3, C/2005 L3, 217P, 203P, 169P, 118P, 30P, 29P
`B67`	Mirasteilas Obs. in Switzerland, 6 in MPEC 2010-C24 -- 2010 BB3, 2010 AO60, 2007 UR3, 2007 MK13, 2006 AO4, 2004 TR13
`152`	Moletai Obs. in Lithuania, 2 in MPECs 2010-C29 & 2010-C33 -- C/2010 B1, P/2010 A1
`213`	Montcabre Obs. in Spain, 7 in MPECs 2010-C30 & 2010-C34 -- P/2010 A3, P/2010 A2, 217P, 118P, 81P, 30P, 29P
`B06`	Montseny Obs. in Spain, 3 in MPEC 2010-C34 -- C/2007 Q3, 94P, 29P
`G96`	Mt. Lemmon Survey in Arizona, 1 in MPEC 2010-C26 -- P/2010 C1
`J47`	Nazaret Obs. in Spain, 6 in MPEC 2010-C34 -- P/2010 A3, C/2007 Q3, 118P, 88P, 29P, 22P
`B49`	Paus Obs. in Spain, 4 in MPECs 2010-C27, 2010-C30 & 2010-C34 -- P/2010 A2, C/2009 Y1, 29P, 9P
`H23`	Pear Tree Obs. in Florida, 1 in MPEC 2010-C33 -- C/2010 B1
`J53`	Posadas Obs. in Spain, 3 in MPEC 2010-C34 -- P/2009 Q4, C/2007 Q3, 29P
`H06`	RAS Obs. Mayhill in New Mexico, 3 in MPEC 2010-C34 -- C/2008 FK75, C/2007 Q3, 29P
`473`	Remanzacco Obs. in Italy, 4 in MPECs 2010-C27, 2010-C28, 2010-C29 & 2010-C34 -- P/2010 A1, P/2009 Y2, C/2009 Y1, 217P
`939`	Rodeno Obs. in Spain, 8 in MPEC 2010-C34 -- P/2009 Q4, C/2007 Q3, C/2005 L3, 157P, 118P, 81P, 30P, 29P
`C09`	Rouet Obs. in France, 1 in MPEC 2010-C34 -- 29P
`J07`	SPAG Monfrague Obs. in Spain, 1 in MPEC 2010-C34 -- 29P
`233`	San Vito Obs. in Italy, 1 in MPEC 2010-C34 -- 157P
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 4 in MPEC 2010-C34 -- C/2009 U3, 157P, 88P, 22P
`204`	Schiaparelli Obs. in Italy, 11 in MPECs 2010-C24 & 2010-C34 -- 2009 WO6, C/2009 W2, C/2008 FK75, 2008 CN1, 2007 UR3, 2004 TB18, 2003 CH11, 2002 CF26, 1994 CB, 64P, 44P
`D93`	Sendai Obs. in Japan, 5 in MPECs 2010-C27, 2010-C32, 2010-C33 & 2010-C34 -- C/2010 B1, P/2010 A5, C/2009 Y1, P/2009 Q4, C/2005 L3
`E12`	Siding Spring Survey in New South Wales, 1 in MPEC 2010-C25 -- 2010 CT
`B40`	Skylive Obs. in Italy, 1 in MPEC 2010-C34 -- 118P
`691`	Spacewatch 0.9m telescope in Arizona, 2 in MPECs 2010-C26 & 2010-C34 -- P/2010 C1, 228P
`291`	Spacewatch 1.8m telescope in Arizona, 8 in MPECs 2010-C24 & 2010-C26 -- P/2010 C1, 2010 AK, 2010 AJ, 2010 AB3, 2009 YO, 2009 WF, 2006 RG7, 2005 ED318
`A71`	Stixendorf Obs. in Austria, 4 in MPEC 2010-C34 -- P/2009 Q4, 169P, 118P, 29P
`B18`	Terskol Obs. in Russia, 4 in MPECs 2010-C27, 2010-C29, 2010-C32 & 2010-C33 -- C/2010 B1, P/2010 A5, P/2010 A1, C/2009 Y1
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 3 in MPEC 2010-C34 -- C/2007 Q3, 81P, 30P
`D96`	Tzec Maun Obs. Moorook in South Australia, 10 in MPECs 2010-C24, 2010-C31, 2010-C32 & 2010-C34 -- P/2010 A5, C/2010 A4, 2009 UN3, C/2009 K5, C/2006 OF2, 2002 XY38, 169P, 118P, 30P, 29P
`B51`	Vallauris Obs. in France, 1 in MPEC 2010-C34 -- 29P
`H47`	Vicksburg Obs. in Mississippi, 4 in MPEC 2010-C34 -- 169P, 118P, 30P, 29P
`G56`	Walnut Creek Obs. in northern California, 2 in MPEC 2010-C24 -- 2002 XY38, 27346
`718`	Wiggins Obs. in Utah, 1 in MPEC 2010-C34 -- 29P

For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring on 9 February '10

**Summary Risk Table for Risk Assessments Updated Today** (last checks: NEODyS and JPL at 2358 UTC)
See the CRT page for a list of all objects rated recently as risks and our ephemerides page for a list of risk-listed objects under current observation.
The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Beginning Jan. 22nd, both are also posting impact solutions beyond 100 years for a few objects.
For the latest official risk assessments, and for explanations of the terminology, see the JPL NEO Program Sentry and NEODyS CLOMON (backup) risk pages.
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

2010 CA	JPL Sentry	1548	2019-2028	4	4.5e-05	-3.46	-3.47	0	JPL: "Analysis based on 28 observations spanning 2.9758 days (2010-Feb-05.19638 to 2010-Feb-08.172148)." Diameter approximately 0.041 km. from mean, weighted H=24.6.
2010 CA	NEODyS	1548	2019-2063	6	4.65e-05	-3.45	-3.46	0	NEODyS: "Based on 28 optical observations (of which 0 are rejected as outliers) from 2010/02/05.197 to 2010/02/08.173."

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 February '10

Times are UTC for when items were noted or added by The Tracking News.

2312	Grabbed MPEC 2010-C33 - Comet C/2010 B1 (Cardinal) - see above Grabbed MPEC 2010-C34 - Observations of Comets - see above
2201	Grabbed MPEC 2010-C27 - Comet C/2009 Y1 (Catalina) - see above Grabbed MPEC 2010-C28 - Comet P/2009 Y2 (Kowalski) - see above Grabbed MPEC 2010-C29 - Comet P/2010 A1 (Hill) - see above Grabbed MPEC 2010-C30 - Comet P/2010 A2 (LINEAR) - see above Grabbed MPEC 2010-C31 - Comet C/2010 A4 (Siding Spring) - see above Grabbed MPEC 2010-C32 - Comet P/2010 A5 (LINEAR) - see above
2107	Grabbed MPEC 2010-C26 - Comet P/2010 C1 (Scotti) - see above
1828	Grabbed MPEC 2010-C25 - 2010 CT - see above
1548	Noted that JPL Sentry has updated its 2010 CA risk assessment - see above Noted that NEODyS has updated its 2010 CA risk assessment - see above Grabbed MPEC 2010-C24 - Daily Orbit Update - see above

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