2009-07-06 Tracking News

Contents on 6 July '09

IAU Minor Planet Center
- NEOCP Activity -- none
- New MPECs -- eight MPECs
Observers -- 45 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 6 July '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 6 July '09

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 2009-N12 time-stamped "06:07 UT" - Daily Orbit Update - see below
MPEC 2009-N13 time-stamped "13:35 UT" - 2009 NE - see below
MPEC 2009-N14 time-stamped "15:07 UT" - Comet C/2009 G1 (STEREO) - see below
MPEC 2009-N15 time-stamped "15:15 UT" - Comet C/2009 K2 (Catalina) - see below
MPEC 2009-N16 time-stamped "15:23 UT" - Comet C/2009 K4 (Gibbs) - see below
MPEC 2009-N17 time-stamped "15:28 UT" - Comet C/2009 K5 (McNaught) - see below
MPEC 2009-N18 time-stamped "15:36 UT" - Comet P/2009 L2 (Yang-Gao) - see below
MPEC 2009-N19 time-stamped "16:02 UT" - Observations of Comets

MPEC 2009-N19 - "16:02 UT" - Observations of Comets

CK09E010 C/2009 E1 (Itagaki) from Kiev Comet Station (June 23.01p4), La Dehesilla Obs. (June 27.03p1), and Taunus Obs. (June 29.05p3)
CK08Q030 C/2008 Q3 (Garradd) from AAAA Buenos Aires Obs. (June 5.11-15p3 & 6.21-23p4)
CK08N010 C/2008 N1 (Holmes) from La Dehesilla Obs. (June 27.00p2), Chante-Perdrix Obs. (June 29.98-99p3), Skylive Obs. (June 29.00p1 & July 5.90p2), Castelmartini Obs. (July 1.98p1), and Montcabre Obs. (July 3.90-91p3)
CK08F75K C/2008 FK75 (Lemmon-Siding Spring) from Santa Coloma de Gramenet Obs. (June 20.99-00p3), La Dehesilla Obs. (June 26.91-92p3), Tentlingen Obs. (June 30.88-99p6), and Thompsonville Obs. (July 3.19-23p6)
CK07B020 C/2007 B2 (Skiff) from North Ryde Obs. (June 22.48p1, 22.53p1, 23.49p1, 23.54p1, July 1.55p1 & 1.59p1)
CK06W030 C/2006 W3 (Christensen) from Odessa-Mayaki Obs. (June 23.94p3 & July 3.02-03p5), Odessa Obs. (June 23.96-99p3), Gieres Obs. (June 24.98-01p2), La Axarquia Obs. (June 27.99-00p3), Zonalunar Obs. (June 29.90p1 & 29.97-02p3), Skylive Obs. (June 30.00-01p3), Vicksburg Obs. (June 30.38-39p3, July 2.35-37p3, 3.35-36p2 & 4.41-42p3), Stixendorf Obs. (June 30.95p2), Petit Jean Mtn. South Obs. (PJMSO) (July 1.33-36p7), Brixiis Obs. (July 1.95-98p6), Castelmartini Obs. (July 1.99-00p5), Chante-Perdrix Obs. (July 3.12-13p2), Schonfeld Obs. (July 3.90-94p4), Montcabre Obs. (July 3.98p3 & 5.90p3), Rodeno Obs. (July 3.98-99p3), Alicante Obs. (July 4.97p3), Tiana Obs. (July 4.98p3), and Masquefa Obs. (July 4.98-99p3)
CK06S030 C/2006 S3 (LONEOS) from PJMSO (July 1.38-40p6), Naef Obs. (July 1.96-99p2), Vicksburg Obs. (July 2.41-42p3 & 4.35-37p3), La Sagra Obs. (July 3.04-06p3), and Bergisch Gladbach Obs. (July 3.05-06p3)
CK06Q010 C/2006 Q1 (McNaught) from La Dehesilla Obs. (June 26.93-94p3), Skylive Obs. (June 28.02-03p2 & July 5.87-88p2), PJMSO (June 30.26-27p6 & July 1.26-27p6), Zonalunar Obs. (June 30.93-00p3, July 1.06p1 & 1.12p1), Tzec Maun Obs. Mayhill (July 1.22-23p3 & 6.26p1), Montcabre Obs. (July 2.87p3), Rodeno Obs. (July 2.91-92p3 & 3.00-01p3), SPAG Monfrague Obs. (July 2.94-98p3), Thompsonville Obs. (July 3.14-16p6), and Masquefa Obs. (July 4.93p3)
CK05L030 C/2005 L3 (McNaught) from La Dehesilla Obs. (June 26.90-91p2), Skylive Obs. (June 29.91p2 & July 5.87-89p2), Sierra Stars Obs. (June 30.21-24p2), Tzec Maun Obs. Mayhill (July 2.22-23p2), and Rodeno Obs. (July 2.90-91p3 & 3.94-95p3)
0217P 217P/LINEAR from Vicksburg Obs. (June 30.40p2, July 2.38-40p3, 3.39-40p3 & 4.38-39p3) and Chante-Perdrix Obs. (July 3.09-11p3)
0116P 116P/Wild 4 from Schiaparelli Obs. (June 12.88-91p2) and Tanti Obs. (July 3.04-05p3)
0065P 65P/Gunn from Rodeno Obs. (July 2.88-89p3 & 3.88-90p3)
0022P 22P/Kopff from Skylive Obs. (June 30.02-04p4 & July 5.10-11p2), Chante-Perdrix Obs. (June 30.03-09p7 & July 3.07-08p2), Vicksburg Obs. (June 30.42-43p3, July 2.43p3, 3.34p1, 3.43p2, 4.34p1 & 4.42-43p2), Kiev Comet Station (June 30.99-01p7), PJMSO (July 1.36-37p6), Tzec Maun Obs. Pingelly (July 1.73p1), and Montcabre Obs. (July 4.03-04p3)

MPEC 2009-N18 - "15:36 UT" - Comet P/2009 L2 (Yang-Gao)

PK09L020 P/2009 L2 (Yang-Gao) from Santa Coloma de G. Obs. (June 19.96p1 & 20.01p2), Odessa-Mayaki Obs. (June 23.95-96p4), AAAA Buenos Aires Obs. (June 25.14-15p2), La Dehesilla Obs. (June 26.99p3), Tanti Obs. (June 27.13-15p3), Kiev Comet Station (June 28.93p5 & 30.93-95p9), Taunus Obs. (June 28.00-01p5), Naef Obs. (June 29.90-93p2), Skylive Obs. (June 29.98p2 & July 5.85-86p2), PJMSO (June 30.32-33p6 & July 1.32-33p7), Stixendorf Obs. (June 30.92-94p6), Capannoli Obs. (June 30.95p2), Alicante Obs. (July 1.02p3), Tzec Maun Obs. Mayhill (July 1.18-19p3 & 2.24-25p3), Brixiis Obs. (July 1.93-95p4), Castelmartini Obs. (July 1.95-96p3), Cordell-Lorenz Obs. (July 2.26-31p4 & 3.26-29p3), Vicksburg Obs. (July 2.31-32p3 & 3.31-32p3), Masia Cal Maciarol Modul 8 (MCM8) (July 2.96-97p2), Montcabre Obs. (July 3.87p3), Rodeno Obs. (July 3.97-98p3), Tzec Maun Obs. Pingelly (July 4.76-77p3 & 5.52p2), Tiana Obs. (July 4.95-96p3), and Masquefa Obs. (July 4.97p3)

MPEC 2009-N17 - "15:28 UT" - Comet C/2009 K5 (McNaught)

CK09K050 C/2009 K5 (McNaught) from Perth Obs. (June 21.54-57p2), North Ryde Obs. (June 22.41-43p2, 23.37-39p2, 24.38p1 & July 1.47-50p2), and Tanti Obs. (June 26.99-04p3 & July 3.27-28p3)

MPEC 2009-N16 - "15:23 UT" - Comet C/2009 K4 (Gibbs)

CK09K040 C/2009 K4 (Gibbs) from Schiaparelli Obs. (June 12.89-90p2), Kiev Comet Station (June 20.86p4), and RAS Obs. Mayhill (June 26.15p1 & July 2.16-17p3)

MPEC 2009-N15 - "15:15 UT" - Comet C/2009 K2 (Catalina)

CK09K020 C/2009 K2 (Catalina) from Kiev Comet Station (June 28.91-92p2 & 30.90-91p4), Cordell-Lorenz Obs. (June 30.23p1, 30.28p1, July 2.18-24p3 & 3.18-22p2), PJMSO (June 30.27-29p7 & July 1.25-26p7), and Castelmartini Obs. (July 1.92-93p3)

MPEC 2009-N14 - "15:07 UT" - Comet C/2009 G1 (STEREO)

CK09G010 C/2009 G1 (STEREO) from Tzec Maun Obs. Pingelly (June 12.89-91p3) and Perth Obs. (July 4.44-46p4)

MPEC 2009-N13 - "13:35 UT" - 2009 NE

K09N00E 2009 NE from the Spacewatch 0.9m telescope (2001 June 1.15-16p3 & 2006 April 30.32-35p3)

<< DOU on 6 July '09 >> MPEC 2009-N12 - "06:07 UT" - Daily Orbit Update

Observations of risk-listed objects
K09M09B 2009 MB9 (Q=4.953 AU, arc=6 days, H=18.7 ~616m) from David Tholen's team on Mauna Kea (July 5.25p3) and the Siding Spring Survey (SSS) (July 5.38p1)
Observations of other objects
K09N00E 2009 NE (q=0.360 AU, Q=5.014 AU, arc=4 days, H=15.5 ~2.69 km) from Schiaparelli Obs. (July 3.92-93p3), Doc Greiner Research Obs. (DGRO) (July 5.22p1), and Montcabre Obs. (July 5.86-87p2)
K09M09C 2009 MC9 (arc=3 days, H=18.0 ~851m) from Perth Obs. (July 2.57-59p2)
G2181 162181 1999 LF6 from the Catalina Sky Survey (CSS) (July 5.26-28p4)
F9608 159608 2002 AC2 from CSS (July 6.22-23p4)

Observers on 6 July '09

A total of 45 observing facilities appear in today's MPECs.

Code	Observer / observatory
`834`	AAAA Buenos Aires Obs. in Argentina, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2008 Q3
`J10`	Alicante Obs. in Spain, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3
`621`	Bergisch Gladbach Obs. in Germany, 1 in MPEC 2009-N19 -- C/2006 S3
`B96`	Brixiis Obs. in Belgium, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3
`B09`	Capannoli Obs. in Italy, 1 in MPEC 2009-N18 -- P/2009 L2
`160`	Castelmartini Obs. in Italy, 4 in MPECs 2009-N15, 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 K2, C/2008 N1, C/2006 W3
`703`	Catalina Sky Survey (CSS) in Arizona, 2 in MPEC 2009-N12 -- 162181, 159608
`A77`	Chante-Perdrix Obs. in France, 4 in MPEC 2009-N19 -- C/2008 N1, C/2006 W3, 217P, 22P
`850`	Cordell-Lorenz Obs. in Tennessee, 2 in MPECs 2009-N15 & 2009-N18 -- P/2009 L2, C/2009 K2
`H26`	Doc Greiner Research Obs. in Wisconsin, 1 in MPEC 2009-N12 -- 2009 NE
`B83`	Gieres Obs. in France, 1 in MPEC 2009-N19 -- C/2006 W3
`585`	Kiev Comet Station in the Ukraine, 5 in MPECs 2009-N15, 2009-N16, 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 K4, C/2009 K2, C/2009 E1, 22P
`J31`	La Axarquia Obs. in Spain, 1 in MPEC 2009-N19 -- C/2006 W3
`212`	La Dehesilla Obs. in Spain, 6 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 E1, C/2008 N1, C/2008 FK75, C/2006 Q1, C/2005 L3
`J75`	La Sagra Obs. in Spain, 1 in MPEC 2009-N19 -- C/2006 S3
`A02`	Masia Cal Maciarol Modul 8 in Spain, 1 in MPEC 2009-N18 -- P/2009 L2
`232`	Masquefa Obs. in Spain, 3 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3, C/2006 Q1
`5682`	David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2009-N12 -- 2009 MB9
`213`	Montcabre Obs. in Spain, 6 in MPECs 2009-N12, 2009-N18 & 2009-N19 -- 2009 NE, P/2009 L2, C/2008 N1, C/2006 W3, C/2006 Q1, 22P
`A13`	Naef Obs. in Switzerland, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 S3
`423`	North Ryde Obs. in New South Wales, 2 in MPECs 2009-N17 & 2009-N19 -- C/2009 K5, C/2007 B2
`A85`	Odessa Obs., 1 in MPEC 2009-N19 -- C/2006 W3
`583`	Odessa-Mayaki Obs., 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3
`322`	Perth Obs. in Western Australia, 3 in MPECs 2009-N12, 2009-N14 & 2009-N17 -- 2009 MC9, C/2009 K5, C/2009 G1
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 6 in MPECs 2009-N15, 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 K2, C/2006 W3, C/2006 S3, C/2006 Q1, 22P
`H06`	RAS Obs. Mayhill in New Mexico, 1 in MPEC 2009-N16 -- C/2009 K4
`939`	Rodeno Obs. in Spain, 5 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3, C/2006 Q1, C/2005 L3, 65P
`J07`	SPAG Monfrague Obs. in Spain, 1 in MPEC 2009-N19 -- C/2006 Q1
`B99`	Santa Coloma de Gramenet Obs. in Spain, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2008 FK75
`204`	Schiaparelli Obs. in Italy, 3 in MPECs 2009-N12, 2009-N16 & 2009-N19 -- 2009 NE, C/2009 K4, 116P
`B76`	Schonfeld Obs. in Germany, 1 in MPEC 2009-N19 -- C/2006 W3
`E12`	Siding Spring Survey in New South Wales, 1 in MPEC 2009-N12 -- 2009 MB9
`G68`	Sierra Stars Obs. in northern California, 1 in MPEC 2009-N19 -- C/2005 L3
`B40`	Skylive Obs. in Italy, 6 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2008 N1, C/2006 W3, C/2006 Q1, C/2005 L3, 22P
`691`	Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2009-N13 -- 2009 NE
`A71`	Stixendorf Obs. in Austria, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3
`I19`	Tanti Obs. in Argentina, 3 in MPECs 2009-N17, 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 K5, 116P
`B01`	Taunus Obs. in Germany, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 E1
`A16`	Tentlingen Obs. in Switzerland, 1 in MPEC 2009-N19 -- C/2008 FK75
`H53`	Thompsonville Obs. in Illinois, 2 in MPEC 2009-N19 -- C/2008 FK75, C/2006 Q1
`B89`	Tiana Obs. in Spain, 2 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 3 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 Q1, C/2005 L3
`D25`	Tzec Maun Obs. Pingelly in Western Australia, 3 in MPECs 2009-N14, 2009-N18 & 2009-N19 -- P/2009 L2, C/2009 G1, 22P
`H47`	Vicksburg Obs. in Mississippi, 5 in MPECs 2009-N18 & 2009-N19 -- P/2009 L2, C/2006 W3, C/2006 S3, 217P, 22P
`J08`	Zonalunar Obs. in Spain, 2 in MPEC 2009-N19 -- C/2006 W3, 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 6 July '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 MB9	JPL Sentry	1401	2031-2083	2	7.5e-09	-4.75	-4.76	0	JPL: "Analysis based on 18 observations spanning 5.9038 days (2009-Jun-29.47208 to 2009-Jul-05.37589)." Diameter approximately 0.650 km. from mean, weighted H=18.6.
2009 MB9	NEODyS	1401	2031-2083	2	1.12e-08	-4.36	-4.36	0	NEODyS: "Based on 18 optical observations (of which 0 are rejected as outliers) from 2009/06/29.473 to 2009/07/05.377."

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 6 July '09

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

1745	Grabbed MPEC 2009-N19 - Observations of Comets - see above
1600	Grabbed MPEC 2009-N13 - 2009 NE - see above Grabbed MPEC 2009-N14 - Comet C/2009 G1 (STEREO) - see above Grabbed MPEC 2009-N15 - Comet C/2009 K2 (Catalina) - see above Grabbed MPEC 2009-N16 - Comet C/2009 K4 (Gibbs) - see above Grabbed MPEC 2009-N17 - Comet C/2009 K5 (McNaught) - see above Grabbed MPEC 2009-N18 - Comet P/2009 L2 (Yang-Gao) - see above
1401	Noted that JPL Sentry has updated its 2009 MB9 risk assessment - see above Noted that NEODyS has updated its 2009 MB9 risk assessment - see above Grabbed MPEC 2009-N12 - Daily Orbit Update - see above

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