2009-02-12 Tracking News

Contents on 12 February '09

IAU Minor Planet Center
- NEOCP Activity -- none
- New MPECs -- three MPECs
Observers -- 41 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
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 February '09

The MPC's NEO Confirmation Page is currently empty

The NEOCP is currently empty and hasn't been noted by The Tracking News as being active yet today (checked at 2358 UTC). It was last noted active yesterday.

New MPECs on 12 February '09

Minor Planet Electronic Circulars

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

MPEC 2009-C78 time-stamped "07:04 UT" - Daily Orbit Update - see below
MPEC 2009-C79 time-stamped "15:39 UT" - Comet C/2009 B2 (LINEAR) - see below
MPEC 2009-C80 time-stamped "15:53 UT" - Observations of Comets

MPEC 2009-C80 - "15:53 UT" - Observations of Comets

PK08Y020 P/2008 Y2 (Gibbs) from Moriyama Obs. (Feb. 6.65-66p2), Ageo Obs. (Feb. 6.69-71p3), and Malaga Obs. (Feb. 11.93-96p3)
CK08X030 C/2008 X3 (LINEAR) from Ageo Obs. (Feb. 6.73p2 & 7.69p3)
CK08T020 C/2008 T2 (Cardinal) from Maidbronn Obs. (Feb. 2.85-86p5 & 3.80-81p5), Ageo Obs. (Feb. 6.67p3), Aravaca Obs. (Feb. 6.82p3), Engelhardt Obs. Zelenchukskaya Station (Feb. 7.85-86p5), Altamira Obs. (Feb. 7.90-91p3), Rodeno Obs. (Feb. 7.91-92p3), Skylive Obs. (Feb. 7.95-97p2), Carmelita Obs. (Feb. 8.75-76p3), and Castelmartini Obs. (Feb. 9.74p3)
PK08Q020 P/2008 Q2 (Ory) from Panker Obs. (Jan. 25.90-92p3) and Schiaparelli Obs. (Jan. 29.97p1 & 30.02p1)
CK08N010 C/2008 N1 (Holmes) from Schiaparelli Obs. (Jan. 21.74p1 & 29.75-77p2)
CK08F75K C/2008 FK75 (Lemmon-Siding Spring) from LINEAR (Feb. 6.48-51p4) and Altamira Obs. (Feb. 8.20-21p3)
CK08A010 C/2008 A1 (McNaught) from Panker Obs. (Jan. 25.75-76p3) and Moriyama Obs. (Feb. 6.86p2)
CK07S020 C/2007 S2 (Lemmon) from Schiaparelli Obs. (Jan. 30.15p1 & 30.21p1), LINEAR (Feb. 6.34-39p5), Petit Jean Mtn. South Obs. (PJMSO) (Feb. 6.41-42p5), and Altamira Obs. (Feb. 8.03-05p3)
CK07Q030 C/2007 Q3 (Siding Spring) from AAAA Buenos Aires Obs. (Jan. 23.06-08p3), Gisborne Obs. (Feb. 6.48p1, 6.54p1 & 6.59p1), Altamira Obs. (Feb. 6.91-94p3), Hiratsuka Obs. (Feb. 8.48p2), Yatsuka Obs. (Feb. 8.49p2), and Moriyama Obs. (Feb. 8.50p2 & 10.48p2)
CK07N030 C/2007 N3 (Lulin) from Vega del Thader Obs. (Jan. 30.20-21p30), Grove Creek Obs. (Feb. 5.75-76p2), Moriyama Obs. (Feb. 6.81p2), Altamira Obs. (Feb. 7.13-16p3 & 8.15-18p3), Rodeno Obs. (Feb. 8.06p3), Nazaret Obs. (Feb. 8.11-13p3 & 9.25p3), Montcabre Obs. (Feb. 8.15p3), Atlante Obs. (Feb. 8.16-17p3), Chante-Perdrix Obs. (Feb. 8.17p2 & 11.21-23p2), Calarreona Obs. (Feb. 8.24-25p3), and Paus Obs. (Feb. 11.15p2)
CK07M020 C/2007 M2 (Catalina) from El Leoncito Obs. (Jan. 29.31-32p3), Gisborne Obs. (Feb. 7.44-48p3), and Rio Cuarto Obs. (Feb. 12.23p2)
CK07G010 C/2007 G1 (LINEAR) from Tzec Maun Obs. Pingelly (Jan. 24.52p1 & 26.55p1) and Gisborne Obs. (Feb. 7.50-51p3)
CK07D010 C/2007 D1 (LINEAR) from Tzec Maun Obs. Mayhill (Feb. 5.38-39p3), Moriyama Obs. (Feb. 6.70-71p2), and Altamira Obs. (Feb. 8.11-13p3)
CK06W030 C/2006 W3 (Christensen) from Gunma Obs. (2008 Oct. 26.79p3), Moriyama Obs. (Feb. 8.40p2), and Hiratsuka Obs. (Feb. 8.42p3)
CK06U060 C/2006 U6 (Spacewatch) from Gunma Obs. (Nov. 30.82p2), Ageo Obs. (Feb. 1.71-72p3), Gisborne Obs. (Feb. 6.52-56p2 & 6.61p1), Moriyama Obs. (Feb. 6.74p2), and Altamira Obs. (Feb. 8.09-10p3)
CK06Q010 C/2006 Q1 (McNaught) from Gunma Obs. (Nov. 30.85-86p4), Moriyama Obs. (Feb. 6.83-84p2), and Altamira Obs. (Feb. 8.24p3)
CK06O02F C/2006 OF2 (Broughton) from Gunma Obs. (2008 Oct. 26.77p2 & Feb. 7.55-57p2), Irmtraut Obs. (Dec. 30.97-98p6), Maidbronn Obs. (Feb. 2.90-91p5), Altamira Obs. (Feb. 6.94-95p3), Montcabre Obs. (Feb. 7.83p3), Carmelita Obs. (Feb. 7.86-87p3 & 8.78-79p3), Zelenchukskaya Sta. (Feb. 7.86-87p5), Skylive Obs. (Feb. 7.93-97p3), Rodeno Obs. (Feb. 7.95-96p3), Nazaret Obs. (Feb. 8.93-96p3), Castelmartini Obs. (Feb. 9.76-77p3), Malaga Obs. (Feb. 11.00-01p3), Aravaca Obs. (Feb. 11.82p3), and Guadarrama Obs. (Feb. 11.85p1 & 11.90p1)
CK06K010 C/2006 K1 (McNaught) from Schiaparelli Obs. (Jan. 30.04p1) and Kanab Obs. (Feb. 1.22-24p2)
CK05L030 C/2005 L3 (McNaught) from Moriyama Obs. (Feb. 6.79-80p2), Rodeno Obs. (Feb. 8.04-05p3), Atlante Obs. (Feb. 8.14-15p4), Altamira Obs. (Feb. 8.19p2), and Paus Obs. (Feb. 11.18p1)
0210P 210P/Christensen from Moriyama Obs. (Feb. 6.85p2), Atlante Obs. (Feb. 8.19p3), and Altamira Obs. (Feb. 8.22-23p3)
0209P 209P/LINEAR from Moriyama Obs. (Feb. 6.67-69p2) and Skylive Obs. (Feb. 7.99-01p2)
0207P 207P/NEAT from Gunma Obs. (2008 Oct. 26.84p2 & Nov. 30.80-81p4)
0150P 150P/LONEOS from the Siding Spring Survey (SSS) (Jan. 13.73p1 & Feb. 7.69-71p2)
0144P 144P/Kushida from Gunma Obs. (Nov. 30.73-74p5), Remanzacco Obs. (Dec. 26.94p1), Irmtraut Obs. (Dec. 30.94-95p10), Aravaca Obs. (Feb. 6.77-78p3), Altamira Obs. (Feb. 6.89-90p3), Montcabre Obs. (Feb. 7.78-79p3 & 7.93p1), Skylive Obs. (Feb. 7.81-84p2 & 7.92p1), Rodeno Obs. (Feb. 7.93-94p3), Yatsuka Obs. (Feb. 8.48p3), Moriyama Obs. (Feb. 8.51-52p2), Carmelita Obs. (Feb. 8.76-77p3), Nazaret Obs. (Feb. 8.89-92p3), and Malaga Obs. (Feb. 10.92p3)
0116P 116P/Wild 4 from Maidbronn Obs. (Feb. 3.10-11p4), Altamira Obs. (Feb. 7.03-04p3), Carmelita Obs. (Feb. 7.93-94p3), and Rodeno Obs. (Feb. 7.98-99p3)
0081P 81P/Wild 2 from Schiaparelli Obs. (Jan. 29.86p1 & 29.94p1) and Moriyama Obs. (Feb. 10.42-43p2)
0077P 77P/Longmore from Ageo Obs. (Feb. 1.64-66p3), Moriyama Obs. (Feb. 6.76p2), Altamira Obs. (Feb. 7.08-11p3), and Rodeno Obs. (Feb. 8.01-03p3)
0074P 74P/Smirnova-Chernykh from Ageo Obs. (Feb. 5.61-62p3) and Altamira Obs. (Feb. 7.01-03p3)
0067P 67P/Churyumov-Gerasimenko from Altamira Obs. (Feb. 2.84-85p3), Moriyama Obs. (Feb. 8.42p2), and Yatsuka Obs. (Feb. 8.47p3)
0065P 65P/Gunn from Ageo Obs. (Feb. 2.73-74p3), Altamira Obs. (Feb. 7.05-07p3), Rodeno Obs. (Feb. 7.99-01p3), and Atlante Obs. (Feb. 8.10-11p3)
0061P 61P/Shajn-Schaldach from Gunma Obs. (Nov. 30.70p3) and Altamira Obs. (Feb. 7.95-97p2)
0059P 59P/Kearns-Kwee from Gunma Obs. (Nov. 30.72-73p2), Hiratsuka Obs. (Feb. 1.45-46p3), Altamira Obs. (Feb. 7.92p3), Moriyama Obs. (Feb. 8.45p2), and Malaga Obs. (Feb. 10.89-90p3)
0051P 51P/Harrington from Gunma Obs. (Jan. 25.59p2) and Schiaparelli Obs. (Jan. 29.91p1 & 30.01p1)
0033P 33P/Daniel from Ageo Obs. (Feb. 2.68-69p3 & 7.76-77p3) and Moriyama Obs. (Feb. 8.58p2)
0029P 29P/Schwassmann-Wachmann 1 from Gualba Obs. (Feb. 8.85p2, 10.79-80p3 & 11.78-79p2), Moriyama Obs. (Feb. 10.50-51p2), Guadarrama Obs. (Feb. 10.83p1 & 10.94p1), Montana Blanca Obs. (Feb. 10.86p1, 10.91-95p2 & 11.84-85p3), Malaga Obs. (Feb. 10.94-99p3 & 11.81p3), and Carmelita Obs. (Feb. 10.95-96p3)
0019P 19P/Borrelly from Gunma Obs. (2008 Oct. 26.82-83p4 & Nov. 30.77p2), Ageo Obs. (Feb. 1.68-69p3), Moriyama Obs. (Feb. 6.77-78p2), Altamira Obs. (Feb. 7.17-19p3), Atlante Obs. (Feb. 8.12-13p3), and Paus Obs. (Feb. 11.16-17p2)
0017P 17P/Holmes from Malaga Obs. (Feb. 10.85-86p3 & 11.87-91p3)

MPEC 2009-C79 - "15:39 UT" - Comet C/2009 B2 (LINEAR)

CK09B020 C/2009 B2 (LINEAR) (i=157.0°, q=2.333 AU, TP=2009 Mar. 9.981 TT) from Ageo Obs. (Feb. 1.75-76p2) and Moriyama Obs. (Feb. 6.82p2)

<< DOU on 12 Feb. '09 >> MPEC 2009-C78 - "07:04 UT" - Daily Orbit Update

Observations of risk-listed objects
K09B58F 2009 BF58 (small asteroid, arc=8 days, H=27.3 ~12m) from the Spacewatch 0.9m telescope (Feb. 1.28-37p6)
Observations of recently (no longer) risk-listed objects
K09C00V 2009 CV (small asteroid, arc=9 days, H=24.3 ~47m) from Wildberg Obs. (Feb. 11.90-92p6)
Observations of other objects
04179 4179 Toutatis (1989 AC) from Montana Blanca Obs. (Feb. 10.82-84p3 & 11.82-83p3)

Observers on 12 February '09

A total of 41 observing facilities appear in today's MPECs.

Code	Observer / observatory
`834`	AAAA Buenos Aires Obs. in Argentina, 1 in MPEC 2009-C80 -- C/2007 Q3
`349`	Ageo Obs. in Japan, 10 in MPECs 2009-C79 & 2009-C80 -- C/2009 B2, P/2008 Y2, C/2008 X3, C/2008 T2, C/2006 U6, 77P, 74P, 65P, 33P, 19P
`J24`	Altamira Obs. in Spain, 20 in MPEC 2009-C80 -- C/2008 T2, C/2008 FK75, C/2007 S2, C/2007 Q3, C/2007 N3, C/2007 D1, C/2006 U6, C/2006 Q1, C/2006 OF2, C/2005 L3, 210P, 144P, 116P, 77P, 74P, 67P, 65P, 61P, 59P, 19P
`J20`	Aravaca Obs. in Spain, 3 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2, 144P
`J51`	Atlante Obs. in the Canary Islands, 5 in MPEC 2009-C80 -- C/2007 N3, C/2005 L3, 210P, 65P, 19P
`J79`	Calarreona Obs. in Spain, 1 in MPEC 2009-C80 -- C/2007 N3
`B20`	Carmelita Obs. in Spain, 5 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2, 144P, 116P, 29P
`160`	Castelmartini Obs. in Italy, 2 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2
`A77`	Chante-Perdrix Obs. in France, 1 in MPEC 2009-C80 -- C/2007 N3
`808`	El Leoncito Obs. in Argentina, 1 in MPEC 2009-C80 -- C/2007 M2
`114`	Engelhardt Obs. Zelenchukskaya Station in Karachay-Cherkessia, 2 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2
`E94`	Gisborne Obs. in New Zealand, 4 in MPEC 2009-C80 -- C/2007 Q3, C/2007 M2, C/2007 G1, C/2006 U6
`E16`	Grove Creek Obs. in New South Wales, 1 in MPEC 2009-C80 -- C/2007 N3
`458`	Guadarrama Obs. in Spain, 2 in MPEC 2009-C80 -- C/2006 OF2, 29P
`442`	Gualba Obs. in Spain, 1 in MPEC 2009-C80 -- 29P
`D80`	Gunma Obs. in Japan, 10 in MPEC 2009-C80 -- C/2006 W3, C/2006 U6, C/2006 Q1, C/2006 OF2, 207P, 144P, 61P, 59P, 51P, 19P
`D88`	Hiratsuka Obs. in Japan, 3 in MPEC 2009-C80 -- C/2007 Q3, C/2006 W3, 59P
`A21`	Irmtraut Obs. in Germany, 2 in MPEC 2009-C80 -- C/2006 OF2, 144P
`682`	Kanab Obs. in Utah, 1 in MPEC 2009-C80 -- C/2006 K1
`704`	LINEAR in New Mexico, 2 in MPEC 2009-C80 -- C/2008 FK75, C/2007 S2
`B82`	Maidbronn Obs. in Germany, 3 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2, 116P
`J40`	Malaga Obs. in Spain, 6 in MPEC 2009-C80 -- P/2008 Y2, C/2006 OF2, 144P, 59P, 29P, 17P
`J46`	Montana Blanca Obs. in the Canary Islands, 2 in MPECs 2009-C78 & 2009-C80 -- 4179, 29P
`213`	Montcabre Obs. in Spain, 3 in MPEC 2009-C80 -- C/2007 N3, C/2006 OF2, 144P
`900`	Moriyama Obs. in Japan, 20 in MPECs 2009-C79 & 2009-C80 -- C/2009 B2, P/2008 Y2, C/2008 A1, C/2007 Q3, C/2007 N3, C/2007 D1, C/2006 W3, C/2006 U6, C/2006 Q1, C/2005 L3, 210P, 209P, 144P, 81P, 77P, 67P, 59P, 33P, 29P, 19P
`J47`	Nazaret Obs. in Spain, 3 in MPEC 2009-C80 -- C/2007 N3, C/2006 OF2, 144P
`A32`	Panker Obs. in Germany, 2 in MPEC 2009-C80 -- P/2008 Q2, C/2008 A1
`B49`	Paus Obs. in Spain, 3 in MPEC 2009-C80 -- C/2007 N3, C/2005 L3, 19P
`H45`	Petit Jean Mtn. South Obs. in Arkansas, 1 in MPEC 2009-C80 -- C/2007 S2
`473`	Remanzacco Obs. in Italy, 1 in MPEC 2009-C80 -- 144P
`I20`	Rio Cuarto Obs. in Argentina, 1 in MPEC 2009-C80 -- C/2007 M2
`939`	Rodeno Obs. in Spain, 8 in MPEC 2009-C80 -- C/2008 T2, C/2007 N3, C/2006 OF2, C/2005 L3, 144P, 116P, 77P, 65P
`204`	Schiaparelli Obs. in Italy, 6 in MPEC 2009-C80 -- P/2008 Q2, C/2008 N1, C/2007 S2, C/2006 K1, 81P, 51P
`E12`	Siding Spring Survey in New South Wales, 1 in MPEC 2009-C80 -- 150P
`B40`	Skylive Obs. in Italy, 4 in MPEC 2009-C80 -- C/2008 T2, C/2006 OF2, 209P, 144P
`691`	Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2009-C78 -- 2009 BF58
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2009-C80 -- C/2007 D1
`D25`	Tzec Maun Obs. Pingelly in Western Australia, 1 in MPEC 2009-C80 -- C/2007 G1
`J70`	Vega del Thader Obs. in Spain, 1 in MPEC 2009-C80 -- C/2007 N3
`198`	Wildberg Obs. in Germany, 1 in MPEC 2009-C78 -- 2009 CV
`367`	Yatsuka Obs. in Japan, 3 in MPEC 2009-C80 -- C/2007 Q3, 144P, 67P

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

Impact Risk Monitoring on 12 February '09

**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

2009 BF58	JPL Sentry	1522	2055-2087	29	2.3e-04	-5.02	-5.29	0	JPL: "Analysis based on 50 observations spanning 7.9911 days (2009-Jan-28.26267 to 2009-Feb-05.25376)." Diameter approximately 0.012 km. from mean, weighted H=27.3.
2009 BF58	NEODyS	1522	2057-2090	41	2.32e-04	-5.02	-5.30	0	NEODyS: "Based on 50 optical observations (of which 0 are rejected as outliers) from 2009/01/28.263 to 2009/02/05.255."

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 12 February '09

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

1601	Grabbed MPEC 2009-C79 - Comet C/2009 B2 (LINEAR) - see above Grabbed MPEC 2009-C80 - Observations of Comets - see above
1522	Noted that JPL Sentry has updated its 2009 BF58 risk assessment - see above Noted that NEODyS has updated its 2009 BF58 risk assessment - see above Grabbed MPEC 2009-C78 - Daily Orbit Update - see above

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