2010-01-27 Tracking News

Contents on 27 January '10

IAU Minor Planet Center
- NEOCP Activity -- four listings: 2 new, 2 updated
- New MPECs -- twelve MPECs
Observers -- 56 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 27 January '10

The MPC's NEO Confirmation Page has 4 listings: 2 new, 2 updated

When last checked at 2305 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two new and two updated listings. Of these, two were "one nighters." So far The Tracking News has counted a total of six 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 27 January '10

Minor Planet Electronic Circulars

As of last check at 2305 UTC, there have been twelve MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2010-B44 time-stamped "06:15 UT" - 2010 BG5 - see below
MPEC 2010-B45 time-stamped "07:16 UT" - Daily Orbit Update - see below
MPEC 2010-B46 time-stamped "19:15 UT" - Comet C/2009 W2 (Boattini) - see below
MPEC 2010-B47 time-stamped "19:22 UT" - Comet C/2009 Y1 (Catalina) - see below
MPEC 2010-B48 time-stamped "19:29 UT" - Comet P/2009 Y2 (Kowalski) - see below
MPEC 2010-B49 time-stamped "19:34 UT" - Comet P/2010 A1 (Hill) - see below
MPEC 2010-B50 time-stamped "19:43 UT" - Comet P/2010 A2 (LINEAR) - see below
MPEC 2010-B51 time-stamped "19:50 UT" - Comet P/2010 A3 (Hill) - see below
MPEC 2010-B52 time-stamped "19:55 UT" - Comet C/2010 A4 (Siding Spring) - see below
MPEC 2010-B53 time-stamped "19:59 UT" - Comet P/2010 A5 (LINEAR) - see below
MPEC 2010-B54 time-stamped "20:06 UT" - Comet C/2010 B1 (Cardinal) - see below
MPEC 2010-B55 time-stamped "20:20 UT" - Observations of Comets

MPEC 2010-B55 - "20:20 UT" - Observations of Comets

CK09U050 C/2009 U5 (Grauer) from Schiaparelli Obs. (Jan. 16.12p1 & 16.18p1), Piszkesteto Sta. (Jan. 24.01p3 & 24.91-92p3), and Petit Jean Mtn. South Obs. (PJMSO) (Jan. 25.40-41p6)
CK09U030 C/2009 U3 (Hill) from Schiaparelli Obs. (Jan. 15.79p1), Castelmartini Obs. (Jan. 19.73p3, 21.73-74p3 & 22.73p5), and Piszkesteto Sta. (Jan. 23.79-81p5 & 24.77-78p3)
CK09T030 C/2009 T3 (LINEAR) from Ageo Obs. (Jan. 9.43-44p2), Schiaparelli Obs. (Jan. 15.78p1 & 15.84p1), Chante-Perdrix Obs. (Jan. 18.74-76p3), and Piszkesteto Sta. (Jan. 23.75-77p3 & 24.75p3)
PK09T020 P/2009 T2 (La Sagra) from Ageo Obs. (Jan. 10.37-38p2), Schiaparelli Obs. (Jan. 15.79p1 & 15.85p1), and Piszkesteto Sta. (Jan. 24.83-85p3)
CK09T010 C/2009 T1 (McNaught) from North Ryde Obs. (Jan. 19.44-46p2 & 20.43-47p2)
PK09Q050 P/2009 Q5 (McNaught) from RAS Obs. Mayhill (Jan. 2.06p2) and Schiaparelli Obs. (Jan. 18.75-77p2)
PK09Q040 P/2009 Q4 (Boattini) from Ageo Obs. (Jan. 10.66-67p2), Schiaparelli Obs. (Jan. 16.05p1 & 16.13p1), Tzec Maun Obs. Mayhill (Jan. 18.53-54p3), Malaga Obs. (Jan. 21.11-12p3), Piszkesteto Sta. (Jan. 24.03-04p3 & 24.93-94p3), Moriyama Obs. (Jan. 24.65-66p2), PJMSO (Jan. 25.31-33p6 & 26.26-28p6), and RAS Mayhill (Jan. 26.41-42p2)
CK09F060 C/2009 F6 (Yi-SWAN) from Kambah Obs. (Jan. 8.54-55p2) and North Ryde Obs. (Jan. 20.51p1)
CK09F040 C/2009 F4 (McNaught) from North Ryde Obs. (Jan. 19.71-73p2 & 20.71-73p2) and Tzec Maun Obs. Moorook (Jan. 21.77-78p3)
CK09F020 C/2009 F2 (McNaught) from RAS Mayhill (Jan. 16.52-53p3 & 26.52-53p3) and Grove Creek Obs. (Jan. 23.73-75p2)
PK08Y030 P/2008 Y3 (McNaught) from Kambah Obs. (Jan. 20.75-76p2) and Grove Creek Obs. (Jan. 25.72-76p3)
CK08S030 C/2008 S3 (Boattini) from Schiaparelli Obs. (Jan. 15.80p1 & 15.90p1) and Castelmartini Obs. (Jan. 19.85p1)
CK08P010 C/2008 P1 (Garradd) from Ageo Obs. (Jan. 9.47-48p2) and Schiaparelli Obs. (Jan. 17.75p1)
CK07V53O C/2007 VO53 (Spacewatch) from Chante-Perdrix Obs. (Jan. 17.76-78p3) and Schiaparelli Obs. (Jan. 18.80p1 & 18.85p1)
CK07Q030 C/2007 Q3 (Siding Spring) from Schiaparelli Obs. (Jan. 16.16-19p2), Geisei Obs. (Jan. 17.70-71p2), Rouet Obs. (Jan. 22.12-14p8), Montcabre Obs. (Jan. 23.07p3), Berta Obs. (Jan. 23.07-09p3), and Libbiano Obs. (Jan. 24.16-17p2)
CK07D010 C/2007 D1 (LINEAR) from Schiaparelli Obs. (Jan. 19.16p1 & 19.23p1) and RAS Mayhill (Jan. 25.40-41p3)
CK06U060 C/2006 U6 (Spacewatch) from RAS Mayhill (Dec. 20.48p2) and Schiaparelli Obs. (Jan. 16.19p1 & 16.24p1)
CK06S030 C/2006 S3 (LONEOS) from Ageo Obs. (Jan. 9.37-38p2) and Schiaparelli Obs. (Jan. 18.73p1)
CK06Q010 C/2006 Q1 (McNaught) from Maidbronn Obs. (Dec. 17.70-71p3), Schiaparelli Obs. (Jan. 16.23p1), and RAS Mayhill (Jan. 27.50-51p3)
CK06O02F C/2006 OF2 (Broughton) from Schiaparelli Obs. (Jan. 16.03p1 & 16.10p1), Tzec Maun Obs. Moorook (Jan. 21.78p1), PJMSO (Jan. 25.33-34p6), and Moriyama Obs. (Jan. 26.59-60p2)
CK05L030 C/2005 L3 (McNaught) from Schiaparelli Obs. (Jan. 16.17p1 & 16.23p1) and RAS Mayhill (Jan. 21.44p1, 21.50p1 & 25.38-39p3)
0232P 232P/Hill from Schiaparelli Obs. (Jan. 16.13p1 & 16.18p1), Ager Obs. (Jan. 22.14p3), and Moriyama Obs. (Jan. 24.59-60p2)
0231P 231P/LINEAR-NEAT from Schiaparelli Obs. (Dec. 18.11p1, Jan. 18.94p1 & 19.02p1)
0230P 230P/LINEAR from Ageo Obs. (Jan. 13.75-77p2) and Schiaparelli Obs. (Jan. 16.09p1 & 16.14p1)
0217P 217P/LINEAR from Remanzacco Obs. (Dec. 9.85-86p2), Tzec Maun Obs. Mayhill (Dec. 13.38p1, 13.44p1 & Jan. 5.19-20p3), LINEAR (Dec. 14.22-23p2), Sky Vistas Obs. (Jan. 4.89-90p4), Schiaparelli Obs. (Jan. 15.88p1, 15.95p1 & 15.00p1), Zonalunar Obs. (Jan. 20.92p1), SPAG Monfrague Obs. (Jan. 20.94-96p3), La Vara Obs. (Jan. 20.98p3), Mataro Obs. (Jan. 22.87-88p3), Berta Obs. (Jan. 23.02-03p2), Kurihara Obs. (Jan. 23.42-44p3), Hamamatsu-Yuto Obs. (Jan. 23.52-54p3), Moriyama Obs. (Jan. 24.50-51p2), and RAS Mayhill (Jan. 25.25-26p2)
0169P 169P/NEAT from North Ryde Obs. (Jan. 20.58p1 & 20.62p1), Tzec Maun Obs. Moorook (Jan. 21.75-76p3), Grove Creek Obs. (Jan. 23.71-74p5, 25.70p2 & 25.75p1), RAS Mayhill (Jan. 25.28p2 & 26.39p3), and Moriyama Obs. (Jan. 26.62-63p2)
0157P 157P/Tritton from Schiaparelli Obs. (Jan. 17.78p1 & 17.84p1), Brixiis Obs. (Jan. 26.81-84p7), Zonalunar Obs. (Jan. 26.92p1), and RAS Mayhill (Jan. 27.10-11p3)
0137P 137P/Shoemaker-Levy 2 from Ageo Obs. (Jan. 13.70-71p2) and Schiaparelli Obs. (Jan. 15.92p1 & 16.01p1)
0127P 127P/Holt-Olmstead from Schiaparelli Obs. (Jan. 17.82p1) and Castelmartini Obs. (Jan. 18.78p3)
0118P 118P/Shoemaker-Levy 4 from Tzec Maun Obs. Mayhill (Jan. 5.20-21p3), Schiaparelli Obs. (Jan. 15.91-95p2 & 16.00p1), Santa Maria de Montmagastrell Obs. (Jan. 21.88-89p3), Chante-Perdrix Obs. (Jan. 21.92-94p2), Caimari Obs. (Jan. 22.93p1), Berta Obs. (Jan. 22.99-00p3), Tzec Maun Obs. Moorook (Jan. 24.54-55p4), RAS Mayhill (Jan. 25.24p2), and Borken Obs. (Jan. 26.80-82p5)
0094P 94P/Russell 4 from Schiaparelli Obs. (Jan. 16.08p1 & 16.15p1), Kiev Comet Station (Jan. 23.08-09p5), Moriyama Obs. (Jan. 24.63-64p2), and Cielo Profundo Obs. (Jan. 24.99-01p3)
0088P 88P/Howell from Schiaparelli Obs. (Jan. 17.73p1 & 18.73-74p3)
0082P 82P/Gehrels 3 from the SZTE Asteroid Program (Dec. 28.98-99p3) and Faulkes Telescope North (Jan. 21.53p1)
0081P 81P/Wild 2 from Taurus Australis Obs. (Jan. 6.16p3), Schiaparelli Obs. (Jan. 16.15-19p2), Nazaret Obs. (Jan. 21.23-25p3), Rouet Obs. (Jan. 22.16-17p7), Montcabre Obs. (Jan. 23.09p3), Berta Obs. (Jan. 23.10-11p3), Kiev Comet Station (Jan. 23.10-11p8), Libbiano Obs. (Jan. 24.11p2), Tzec Maun Obs. Moorook (Jan. 24.62-63p4 & 25.77p2), and Gualba Obs. (Jan. 27.19p2)
0074P 74P/Smirnova-Chernykh from Tzec Maun Obs. Mayhill (Jan. 15.53-54p4), Schiaparelli Obs. (Jan. 16.15p1 & 16.22p1), Kiev Comet Station (Jan. 23.18-19p7), and Chante-Perdrix Obs. (Jan. 27.21-22p2)
0047P 47P/Ashbrook-Jackson from Ageo Obs. (Jan. 9.59-60p2), Moriyama Obs. (Jan. 14.53-54p2), SPAG Monfrague Obs. (Jan. 14.78-81p3), Schiaparelli Obs. (Jan. 15.85p1), Castelmartini Obs. (Jan. 18.86p1 & 19.87-88p3), and Vitebsk Obs. (Jan. 21.69-71p3)
0043P 43P/Wolf-Harrington from Ageo Obs. (Jan. 9.40-41p2), Stixendorf Obs. (Jan. 16.72p2), Schiaparelli Obs. (Jan. 17.74p2 & 18.74-76p2), and Kurihara Obs. (Jan. 24.40p1)
0031P 31P/Schwassmann-Wachmann 2 from Ageo Obs. (Jan. 13.66-67p2), Schiaparelli Obs. (Jan. 15.96p1 & 16.02p1), and La Vara Obs. (Jan. 20.00-01p3)
0030P 30P/Reinmuth 1 from Ageo Obs. (Jan. 11.44-46p3), Nazaret Obs. (Jan. 20.90-92p3), Vitebsk Obs. (Jan. 21.75-77p4), Berta Obs. (Jan. 22.77-78p2), Corner Obs. (Jan. 23.01-04p3), Hamamatsu-Yuto Obs. (Jan. 23.40p2 & 23.50-51p2), and Kurihara Obs. (Jan. 23.41p2)
0029P 29P/Schwassmann-Wachmann 1 from Ageo Obs. (Jan. 11.68-69p2), Schiaparelli Obs. (Jan. 15.97p1, 16.03p1 & 16.09p1), Vitebsk Obs. (Jan. 21.96-98p3), Rouet Obs. (Jan. 22.02-03p4), Gualba Obs. (Jan. 22.18p2 & 27.18p2), Mataro Obs. (Jan. 22.92-94p3), Montcabre Obs. (Jan. 22.98-99p3), Libbiano Obs. (Jan. 23.00p3), Tzec Maun Obs. Moorook (Jan. 24.58-59p3 & 25.76p3), Moriyama Obs. (Jan. 24.61-62p2), SPAG Monfrague Obs. (Jan. 24.94-96p3), RAS Mayhill (Jan. 25.23p2), PJMSO (Jan. 25.42p5), and Cordell-Lorenz Obs. (Jan. 27.15-18p2 & 27.23-29p3)
0014P 14P/Wolf from Ageo Obs. (Nov. 23.61-62p3) and Schiaparelli Obs. (Jan. 21.81-83p2)
0010P 10P/Tempel 2 from Chante-Perdrix Obs. (Jan. 26.22-23p2 & 27.24p2)
0002P 2P/Encke from Chante-Perdrix Obs. (Dec. 15.76-77p3) and Schiaparelli Obs. (Jan. 21.75p1)

MPEC 2010-B54 - "20:06 UT" - Comet C/2010 B1 (Cardinal)

CK10B010 C/2010 B1 (Cardinal) (i=101.9°, q=2.934 AU, TP=2011 Feb. 6.807 TT) from Castelmartini Obs. (Jan. 23.94-95p4), Moriyama Obs. (Jan. 24.42-43p2 & 26.48-49p2), Ageo Obs. (Jan. 24.52-54p3), Cielo Profundo Obs. (Jan. 24.86-89p3 & 26.95-97p3), RAS Mayhill (Jan. 25.19p3 & 26.40-41p2), PJMSO (Jan. 25.36-37p7 & 26.16-17p7), and Tzec Maun Obs. Mayhill (Jan. 26.47-51p6)

MPEC 2010-B53 - "19:59 UT" - Comet P/2010 A5 (LINEAR)

PK10A050 P/2010 A5 (LINEAR) (q=1.704 AU, Q=7.987 AU, TP=2010 Apr. 20.319 TT) from Geisei Obs. (Jan. 17.78-79p3), Moriyama Obs. (Jan. 22.85-86p2), Kiev Comet Station (Jan. 23.15-16p6), Libbiano Obs. (Jan. 24.12-13p2), PJMSO (Jan. 25.44-45p7), and RAS Mayhill (Jan. 26.45p2)

MPEC 2010-B52 - "19:55 UT" - Comet C/2010 A4 (Siding Spring)

CK10A040 C/2010 A4 (Siding Spring) (i=96.8°, q=2.739 AU, TP=2010 Oct. 7.853 TT) from Schiaparelli Obs. (Jan. 16.11-12p2), Geisei Obs. (Jan. 17.76-77p4), Ageo Obs. (Jan. 22.69-74p4), Moriyama Obs. (Jan. 22.79-81p2), and RAS Obs. Moorook (Jan. 23.73-74p7)

MPEC 2010-B51 - "19:50 UT" - Comet P/2010 A3 (Hill)

PK10A030 P/2010 A3 (Hill) (q=1.622 AU, Q=10.489 AU, TP=2010 Apr. 3.68329 TT) from Remanzacco Obs. (Jan. 9.81p2), Ageo Obs. (Jan. 10.40-41p2), Schiaparelli Obs. (Jan. 15.79p1 & 15.83p1), Nazaret Obs. (Jan. 19.80-81p3), Castelmartini Obs. (Jan. 19.84-85p5), Zonalunar Obs. (Jan. 20.95p1), Piszkesteto Sta. (Jan. 24.80-81p3), and Kiev Comet Station (Jan. 25.81-84p9)

MPEC 2010-B50 - "19:43 UT" - Comet P/2010 A2 (LINEAR)

PK10A020 P/2010 A2 (LINEAR) (q=2.012 AU, TP=2009 Dec. 4.22498 TT) from Castelmartini Obs. (Jan. 19.95-96p5), San Marcello Pistoiese Obs. (Jan. 21.75-77p3), Schiaparelli Obs. (Jan. 21.91-93p2), Montcabre Obs. (Jan. 22.88-90p2), Moletai Obs. (Jan. 23.83-84p2), Sormano Obs. (Jan. 23.97-98p2), Moriyama Obs. (Jan. 24.52-53p2), and Kiev Comet Station (Jan. 25.86-88p2)

MPEC 2010-B49 - "19:34 UT" - Comet P/2010 A1 (Hill)

PK10A010 P/2010 A1 (Hill) (q=1.949 AU, Q=6.808 AU, TP=2009 Aug. 7.078 TT) from Schiaparelli Obs. (Jan. 16.08p1 & 16.14p1), San Marcello Pistoiese Obs. (Jan. 18.81-82p3 & 21.76-78p3), Castelmartini Obs. (Jan. 19.92p3), Libbiano Obs. (Jan. 21.96-98p3), Ageo Obs. (Jan. 22.80-81p2), Montcabre Obs. (Jan. 23.03p2), Kiev Comet Station (Jan. 23.05-07p6), Piszkesteto Sta. (Jan. 23.96-97p3), Moriyama Obs. (Jan. 24.54-55p2), Cielo Profundo Obs. (Jan. 24.95-96p2), and PJMSO (Jan. 25.38-40p7)

MPEC 2010-B48 - "19:29 UT" - Comet P/2009 Y2 (Kowalski)

PK09Y020 P/2009 Y2 (Kowalski) (q=2.339 AU, Q=10.665 AU, TP=2010 Mar. 30.6711 TT) from Remanzacco Obs. (Dec. 21.81p2), Schiaparelli Obs. (Jan. 15.80p1 & 15.85p1), Castelmartini Obs. (Jan. 19.81p3), and Piszkesteto Sta. (Jan. 23.82-83p3 & 24.79-80p3)

MPEC 2010-B47 - "19:22 UT" - Comet C/2009 Y1 (Catalina)

CK09Y010 C/2009 Y1 (Catalina) (i=107.4°, q=2.527 AU, TP=2011 Jan. 27.7430 TT) from Remanzacco Obs. (Dec. 21.19p2), Schiaparelli Obs. (Jan. 18.98p2), Piszkesteto Sta. (Jan. 24.08-09p3), LINEAR (Jan. 24.43-47p5), Moriyama Obs. (Jan. 24.67-68p2), and PJMSO (Jan. 25.34-35p6)

MPEC 2010-B46 - "19:15 UT" - Comet C/2009 W2 (Boattini)

CK09W020 C/2009 W2 (Boattini) (i=164.5°, q=6.907 AU, Q=21655.825 AU, TP=2010 May 1.80932 TT) from the Mt. Lemmon Survey (MLS) (2008 Dec. 22.30-31p4), Remanzacco Obs. (Dec. 9.81p2), and Schiaparelli Obs. (Jan. 18.90p1 & 19.01p1)

<< DOU on 27 Jan. '10 >> MPEC 2010-B45 - "07:16 UT" - Daily Orbit Update

Observations of recently (no longer) risk-listed objects
K10B02U 2010 BU2 (small asteroid, arc=6 days, H=24.6 ~41m) from Tenagra II Obs. (Jan. 26.19-20p3) and Great Shefford Obs. (Jan. 26.91p3)
K10B02L 2010 BL2 (i=60.2°, Q=4.028 AU, arc=7 days, H=16.2 ~1.95 km) from Desert Moon Obs. (Jan. 26.11-14p3)
K10A03D 2010 AD3 (small asteroid, Q=4.824 AU, arc=18 days, H=24.0 ~54m) from Tenagra II Obs. (Jan. 26.25-26p2)
K10A00J 2010 AJ (Q=4.558 AU, arc=20 days, H=20.2 ~309m) from Desert Moon Obs. (Jan. 26.21-27p3)
K09Y06S 2009 YS6 (i=147.8°, q=1.618 AU, Q=38.890 AU, arc=39 days, H=14.2 ~4.90 km) from Tenagra II Obs. (Jan. 15.30p3 & 25.28p2)
Observations of small asteroids (H>22.0)
K10B00C 2010 BC (arc=10 days, H=22.3 ~117m) from Castelmartini Obs. (Jan. 23.07p6) and Tenagra II Obs. (Jan. 26.55p2)
Observations of other objects
K10B00Q 2010 BQ (i=37.0°, arc=10 days, H=20.1 ~323m) from Kevin Hills via RAS Obs. Moorook (Jan. 26.67-69p6)
K10A78B 2010 AB78 (arc=10 days, H=18.4 ~708m) from David Tholen's team on Mauna Kea (Jan. 22.65p2)
K10A60O 2010 AO60 from Castelmartini Obs. (Jan. 23.05p3)
K10A00E 2010 AE (arc=21 days, H=19.5 ~426m) from Hills/RAS Moorook (Jan. 26.52-55p5)
K07U03R 2007 UR3 (arc=3 opp, H=21.2 ~195m) from Castelmartini Obs. (Jan. 23.01-02p3)
K06U00R 2006 UR (arc=2 opp, H=19.4 ~446m) from Thompsonville Obs. (Jan. 27.17-18p6)
K04T13R 2004 TR13 (arc=4 opp, H=18.5 ~676m) from Desert Moon Obs. (Jan. 26.43-49p3)
K03C11H 2003 CH11 (i=36.4°, arc=2 opp, H=19.2 ~490m) from Desert Moon Obs. (Jan. 26.16-17p3)
K01F57Z 2001 FZ57 (q=0.374 AU, arc=6 opp, H=18.7 ~616m) from Desert Moon Obs. (Jan. 26.52-55p3)
L8863 218863 2006 WO127 from Thompsonville Obs. (Jan. 27.12-13p5)
L4088 214088 2004 JN13 from Thompsonville Obs. (Jan. 27.09p6)
F9402 159402 1999 AP10 from Thompsonville Obs. (Jan. 27.19-21p6)
54789 54789 2001 MZ7 from Castelmartini Obs. (Jan. 23.04p3) and Thompsonville Obs. (Jan. 27.15-16p6)
09950 9950 ESA (1990 VB) from Desert Moon Obs. (Jan. 26.08-09p3)
05626 5626 1991 FE from Thompsonville Obs. (Jan. 27.11p5)
03552 3552 Don Quixote (1983 SA) from Thompsonville Obs. (Jan. 27.06-07p6)
00433 433 Eros (1898 DQ) from Thompsonville Obs. (Jan. 27.04-05p6)

MPEC 2010-B44 - "06:15 UT" - 2010 BG5

K10B05G 2010 BG5 (small asteroid, Earth MOID=6.2 LD, H=23.8 ~59m) was discovered at 0535 UT on 25 Jan. by LINEAR, which observed it at Jan. 25.23-27p4. The discovery was confirmed by Modra Obs. (Jan. 26.74p5 & 27.20p3). This object will be coming within ten lunar distances (LD) of Earth, reaching 6.2 LD on 1 Feb.

Observers on 27 January '10

A total of 56 observing facilities appear in today's MPECs.

Code	Observer / observatory
`349`	Ageo Obs. in Japan, 17 in MPECs 2010-B49, 2010-B51, 2010-B52, 2010-B54 & 2010-B55 -- C/2010 B1, C/2010 A4, P/2010 A3, P/2010 A1, C/2009 T3, P/2009 T2, P/2009 Q4, C/2008 P1, C/2006 S3, 230P, 137P, 47P, 43P, 31P, 30P, 29P, 14P
`B54`	Ager Obs. in Spain, 1 in MPEC 2010-B55 -- 232P
`C12`	Berta Obs., 5 in MPEC 2010-B55 -- C/2007 Q3, 217P, 118P, 81P, 30P
`B59`	Borken Obs. in Germany, 1 in MPEC 2010-B55 -- 118P
`B96`	Brixiis Obs. in Belgium, 1 in MPEC 2010-B55 -- 157P
`B81`	Caimari Obs. on Mallorca, 1 in MPEC 2010-B55 -- 118P
`160`	Castelmartini Obs. in Italy, 13 in MPECs 2010-B45, 2010-B48, 2010-B49, 2010-B50, 2010-B51, 2010-B54 & 2010-B55 -- 2010 BC, C/2010 B1, 2010 AO60, P/2010 A3, P/2010 A2, P/2010 A1, P/2009 Y2, C/2009 U3, C/2008 S3, 2007 UR3, 54789, 127P, 47P
`A77`	Chante-Perdrix Obs. in France, 6 in MPEC 2010-B55 -- C/2009 T3, C/2007 VO53, 118P, 74P, 10P, 2P
`J01`	Cielo Profundo Obs. in Spain, 3 in MPECs 2010-B49, 2010-B54 & 2010-B55 -- C/2010 B1, P/2010 A1, 94P
`850`	Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2010-B55 -- 29P
`B50`	Corner Obs. in Germany, 1 in MPEC 2010-B55 -- 30P
`448`	Desert Moon Obs. in New Mexico, 6 in MPEC 2010-B45 -- 2010 BL2, 2010 AJ, 2004 TR13, 2003 CH11, 2001 FZ57, 9950
`F65`	Faulkes Telescope North in Hawaii, 1 in MPEC 2010-B55 -- 82P
`372`	Geisei Obs. in Japan, 3 in MPECs 2010-B52, 2010-B53 & 2010-B55 -- P/2010 A5, C/2010 A4, C/2007 Q3
`J95`	Great Shefford Obs. in England, 1 in MPEC 2010-B45 -- 2010 BU2
`E16`	Grove Creek Obs. in New South Wales, 3 in MPEC 2010-B55 -- C/2009 F2, P/2008 Y3, 169P
`442`	Gualba Obs. in Spain, 2 in MPEC 2010-B55 -- 81P, 29P
`379`	Hamamatsu-Yuto Obs. in Japan, 2 in MPEC 2010-B55 -- 217P, 30P
`415`	Kambah Obs. in the Australian Capital Territory, 2 in MPEC 2010-B55 -- C/2009 F6, P/2008 Y3
`585`	Kiev Comet Station in the Ukraine, 7 in MPECs 2010-B49, 2010-B50, 2010-B51, 2010-B53 & 2010-B55 -- P/2010 A5, P/2010 A3, P/2010 A2, P/2010 A1, 94P, 81P, 74P
`D95`	Kurihara Obs. in Japan, 3 in MPEC 2010-B55 -- 217P, 43P, 30P
`704`	LINEAR in New Mexico, 3 in MPECs 2010-B44, 2010-B47 & 2010-B55 -- 2010 BG5, C/2009 Y1, 217P
`J38`	La Vara Obs. in Spain, 2 in MPEC 2010-B55 -- 217P, 31P
`B33`	Libbiano Obs. in Italy, 5 in MPECs 2010-B49, 2010-B53 & 2010-B55 -- P/2010 A5, P/2010 A1, C/2007 Q3, 81P, 29P
`B82`	Maidbronn Obs. in Germany, 1 in MPEC 2010-B55 -- C/2006 Q1
`J40`	Malaga Obs. in Spain, 1 in MPEC 2010-B55 -- P/2009 Q4
`A06`	Mataro Obs. in Spain, 2 in MPEC 2010-B55 -- 217P, 29P
`5682`	David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-B45 -- 2010 AB78
`118`	Modra Obs. in Slovakia, 1 in MPEC 2010-B44 -- 2010 BG5
`152`	Moletai Obs. in Lithuania, 1 in MPEC 2010-B50 -- P/2010 A2
`213`	Montcabre Obs. in Spain, 5 in MPECs 2010-B49, 2010-B50 & 2010-B55 -- P/2010 A2, P/2010 A1, C/2007 Q3, 81P, 29P
`900`	Moriyama Obs. in Japan, 14 in MPECs 2010-B47, 2010-B49, 2010-B50, 2010-B52, 2010-B53, 2010-B54 & 2010-B55 -- C/2010 B1, P/2010 A5, C/2010 A4, P/2010 A2, P/2010 A1, C/2009 Y1, P/2009 Q4, C/2006 OF2, 232P, 217P, 169P, 94P, 47P, 29P
`G96`	Mt. Lemmon Survey in Arizona, 1 in MPEC 2010-B46 -- C/2009 W2
`J47`	Nazaret Obs. in Spain, 3 in MPECs 2010-B51 & 2010-B55 -- P/2010 A3, 81P, 30P
`423`	North Ryde Obs. in New South Wales, 4 in MPEC 2010-B55 -- C/2009 T1, C/2009 F6, C/2009 F4, 169P
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 8 in MPECs 2010-B47, 2010-B49, 2010-B53, 2010-B54 & 2010-B55 -- C/2010 B1, P/2010 A5, P/2010 A1, C/2009 Y1, C/2009 U5, P/2009 Q4, C/2006 OF2, 29P
`561`	Piszkesteto Sta. in Hungary, 9 in MPECs 2010-B47, 2010-B48, 2010-B49, 2010-B51 & 2010-B55 -- P/2010 A3, P/2010 A1, P/2009 Y2, C/2009 Y1, C/2009 U5, C/2009 U3, C/2009 T3, P/2009 T2, P/2009 Q4
`H06`	RAS Obs. Mayhill in New Mexico, 14 in MPECs 2010-B53, 2010-B54 & 2010-B55 -- C/2010 B1, P/2010 A5, P/2009 Q5, P/2009 Q4, C/2009 F2, C/2007 D1, C/2006 U6, C/2006 Q1, C/2005 L3, 217P, 169P, 157P, 118P, 29P
`D90`	RAS Obs. Moorook in South Australia, 1 in MPEC 2010-B52 -- C/2010 A4
D90`	Kevin Hills in England via RAS Obs. Moorook in South Australia, 2 in MPEC 2010-B45 -- 2010 BQ, 2010 AE
`473`	Remanzacco Obs. in Italy, 5 in MPECs 2010-B46, 2010-B47, 2010-B48, 2010-B51 & 2010-B55 -- P/2010 A3, P/2009 Y2, C/2009 Y1, C/2009 W2, 217P
`C09`	Rouet Obs. in France, 3 in MPEC 2010-B55 -- C/2007 Q3, 81P, 29P
`J07`	SPAG Monfrague Obs. in Spain, 3 in MPEC 2010-B55 -- 217P, 47P, 29P
`461`	SZTE Asteroid Program in Hungary, 1 in MPEC 2010-B55 -- 82P
`104`	San Marcello Pistoiese Obs. in Italy, 2 in MPECs 2010-B49 & 2010-B50 -- P/2010 A2, P/2010 A1
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2010-B55 -- 118P
`204`	Schiaparelli Obs. in Italy, 41 in MPECs 2010-B46, 2010-B47, 2010-B48, 2010-B49, 2010-B50, 2010-B51, 2010-B52 & 2010-B55 -- C/2010 A4, P/2010 A3, P/2010 A2, P/2010 A1, P/2009 Y2, C/2009 Y1, C/2009 W2, C/2009 U5, C/2009 U3, C/2009 T3, P/2009 T2, P/2009 Q5, P/2009 Q4, C/2008 S3, C/2008 P1, C/2007 VO53, C/2007 Q3, C/2007 D1, C/2006 U6, C/2006 S3, C/2006 Q1, C/2006 OF2, C/2005 L3, 232P, 231P, 230P, 217P, 157P, 137P, 127P, 118P, 94P, 88P, 81P, 74P, 47P, 43P, 31P, 29P, 14P, 2P
`C14`	Sky Vistas Obs., 1 in MPEC 2010-B55 -- 217P
`587`	Sormano Obs. in Italy, 1 in MPEC 2010-B50 -- P/2010 A2
`A71`	Stixendorf Obs. in Austria, 1 in MPEC 2010-B55 -- 43P
`I66`	Taurus Australis Obs., 1 in MPEC 2010-B55 -- 81P
`926`	Tenagra II Obs. in Arizona, 4 in MPEC 2010-B45 -- 2010 BU2, 2010 BC, 2010 AD3, 2009 YS6
`H53`	Thompsonville Obs. in Illinois, 8 in MPEC 2010-B45 -- 2006 UR, 54789, 218863, 214088, 159402, 5626, 3552, 433
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 5 in MPECs 2010-B54 & 2010-B55 -- C/2010 B1, P/2009 Q4, 217P, 118P, 74P
`D96`	Tzec Maun Obs. Moorook in South Australia, 6 in MPEC 2010-B55 -- C/2009 F4, C/2006 OF2, 169P, 118P, 81P, 29P
`B42`	Vitebsk Obs. in Belarus, 3 in MPEC 2010-B55 -- 47P, 30P, 29P
`J08`	Zonalunar Obs. in Spain, 3 in MPECs 2010-B51 & 2010-B55 -- P/2010 A3, 217P, 157P

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

Impact Risk Monitoring on 27 January '10

At last check (NEODyS and JPL at 2305 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 27 January '10

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

2115

Grabbed MPEC 2010-B46 - Comet C/2009 W2 (Boattini) - see above
Grabbed MPEC 2010-B47 - Comet C/2009 Y1 (Catalina) - see above
Grabbed MPEC 2010-B48 - Comet P/2009 Y2 (Kowalski) - see above
Grabbed MPEC 2010-B49 - Comet P/2010 A1 (Hill) - see above
Grabbed MPEC 2010-B50 - Comet P/2010 A2 (LINEAR) - see above
Grabbed MPEC 2010-B51 - Comet P/2010 A3 (Hill) - see above
Grabbed MPEC 2010-B52 - Comet C/2010 A4 (Siding Spring) - see above
Grabbed MPEC 2010-B53 - Comet P/2010 A5 (LINEAR) - see above
Grabbed MPEC 2010-B54 - Comet C/2010 B1 (Cardinal) - see above
Grabbed MPEC 2010-B55 - Observations of Comets - see above

1508

Grabbed MPEC 2010-B44 - 2010 BG5 - see above
Grabbed MPEC 2010-B45 - Daily Orbit Update - see above

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