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Contents  on 17 June '09

Resources:

The latest A/CC news is available via framed access, RSS news feed 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.

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NEOCP Activity  on 17 June '09

The MPC's NEO Confirmation Page has 4 listings: 1 new, 3 updated

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

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New MPECs  on 17 June '09

Minor Planet Electronic Circulars

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


MPEC 2009-M10 - "15:00 UT" - Observations of Comets


MPEC 2009-M09 - "14:36 UT" - Comet C/2009 K4 (Gibbs)


MPEC 2009-M08 - "14:22 UT" - Comet C/2009 K2 (Catalina)


<< DOU on 17 June '09 >>  MPEC 2009-M07 - "06:07 UT" - Daily Orbit Update

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Observers  on 17 June '09

A total of 65 observing facilities appear in today's MPECs.

CodeObserver / observatory
834AAAA Buenos Aires Obs. in Argentina, 1 in MPEC 2009-M10 -- C/2008 Q3
349Ageo Obs. in Japan, 7 in MPECs 2009-M08 & 2009-M10 -- C/2009 K2, C/2008 FK75, C/2008 A1, C/2006 W3, C/2006 Q1, C/2005 L3, 19P
I08Alianza S4 Obs. in Argentina, 1 in MPEC 2009-M07 -- 2009 KJ22
J10Alicante Obs. in Spain, 2 in MPEC 2009-M10 -- C/2009 E1, C/2006 W3
J51Atlante Obs. in the Canary Islands, 4 in MPEC 2009-M10 -- C/2008 Q3, C/2006 W3, C/2006 Q1, C/2005 L3
918Badlands Obs. in South Dakota, 1 in MPEC 2009-M10 -- C/2006 W3
A81Balzaretto Obs. in Italy, 1 in MPEC 2009-M10 -- 116P
621Bergisch Gladbach Obs. in Germany, 1 in MPEC 2009-M10 -- 169P
I32Beta Orionis Obs. in Argentina, 1 in MPEC 2009-M10 -- C/2008 Q3
432Boambee Obs. in New South Wales, 3 in MPEC 2009-M07 -- 2007 BT2, 85938, 5604
B59Borken Obs. in Germany, 1 in MPEC 2009-M10 -- C/2006 W3
B96Brixiis Obs. in Belgium, 1 in MPEC 2009-M10 -- C/2006 Q1
235CAST Obs. in Italy, 9 in MPECs 2009-M09 & 2009-M10 -- C/2009 K4, C/2008 FK75, C/2006 W3, C/2006 Q1, C/2005 L3, 116P, 88P, 77P, 65P
B09Capannoli Obs. in Italy, 1 in MPEC 2009-M10 -- C/2008 N1
160Castelmartini Obs. in Italy, 9 in MPECs 2009-M08 & 2009-M10 -- C/2009 K2, C/2009 F5, C/2009 E1, C/2008 N1, C/2008 FK75, C/2006 W3, C/2006 Q1, C/2005 L3, 65P
703Catalina Sky Survey (CSS) in Arizona, 4 in MPEC 2009-M07 -- 2009 KC7, 2007 LL, 212546, 154244
A77Chante-Perdrix Obs. in France, 2 in MPEC 2009-M10 -- C/2008 Q3, 144P
808El Leoncito Obs. in Argentina, 13 in MPECs 2009-M07 & 2009-M10 -- 2009 KC3, C/2009 F4, 2009 DL1, C/2008 Q3, 2002 UX, 214088, 207945, 194386, 18882, 152560, 138911, 9950, 4954
E85Farm Cove Obs. in New Zealand, 3 in MPEC 2009-M10 -- C/2009 F5, C/2009 F4, C/2008 FK75
203GiaGa Obs. in Italy, 2 in MPEC 2009-M10 -- C/2006 Q1, C/2005 L3
B83Gieres Obs. in France, 2 in MPEC 2009-M10 -- C/2006 Q1, C/2005 L3
J95Great Shefford Obs. in England, 2 in MPEC 2009-M07 -- 2009 LV2, 2009 LS
E16Grove Creek Obs. in New South Wales, 2 in MPEC 2009-M10 -- C/2008 Q3, 77P
442Gualba Obs. in Spain, 1 in MPEC 2009-M09 -- C/2009 K4
511Haute Provence Obs. in Germany, 1 in MPEC 2009-M07 -- 2009 KV2
D88Hiratsuka Obs. in Japan, 4 in MPEC 2009-M10 -- C/2009 F4, C/2008 Q3, C/2008 Q1, C/2008 FK75
J39Ingenio Obs. in the Canary Islands, 1 in MPEC 2009-M10 -- C/2006 OF2
585Kiev Comet Station in the Ukraine, 4 in MPECs 2009-M08, 2009-M09 & 2009-M10 -- C/2009 K4, C/2009 K2, C/2006 W3, 217P
704LINEAR in New Mexico, 2 in MPEC 2009-M10 -- C/2009 E1, C/2006 W3
J59Linceo Obs. in Spain, 1 in MPEC 2009-M10 -- C/2006 Q1
560Madonna di Dossobuono Obs. in Italy, 4 in MPEC 2009-M10 -- C/2008 FK75, C/2006 Q1, C/2005 L3, 88P
B82Maidbronn Obs. in Germany, 3 in MPEC 2009-M10 -- C/2006 Q1, C/2005 L3, 19P
B90Malina River Obs. in Italy, 1 in MPEC 2009-M10 -- C/2006 W3
E20Marsfield Obs., 1 in MPEC 2009-M10 -- C/2008 Q3
232Masquefa Obs. in Spain, 5 in MPEC 2009-M10 -- C/2006 W3, C/2006 Q1, C/2005 L3, 116P, 77P
932McCarthy Obs. in Connecticut, 1 in MPEC 2009-M07 -- 2005 MO13
213Montcabre Obs. in Spain, 6 in MPEC 2009-M10 -- C/2009 E1, C/2008 N1, C/2006 W3, C/2006 Q1, 116P, 88P
945Monte Deva Obs. in Spain, 6 in MPEC 2009-M10 -- C/2006 W3, C/2006 Q1, C/2005 L3, 116P, 65P, 22P
900Moriyama Obs. in Japan, 11 in MPEC 2009-M10 -- C/2009 F5, C/2009 F4, C/2009 E1, C/2008 Q3, C/2008 Q1, C/2008 N1, C/2008 FK75, C/2006 W3, C/2006 Q1, C/2005 L3, 74P
G96Mt. Lemmon Survey (MLS) in Arizona, 2 in MPEC 2009-M07 -- 2009 KK, 2009 KD5
A13Naef Obs. in Switzerland, 2 in MPECs 2009-M07 & 2009-M10 -- 2009 MA, 219P
J47Nazaret Obs. in Spain, 10 in MPEC 2009-M10 -- C/2008 Q3, C/2008 N1, C/2006 W3, C/2006 Q1, C/2006 OF2, C/2005 L3, 88P, 74P, 67P, 65P
B49Paus Obs. in Spain, 2 in MPEC 2009-M10 -- C/2009 E1, C/2006 W3
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 6 in MPECs 2009-M08 & 2009-M10 -- C/2009 K2, C/2009 F5, C/2008 Q1, C/2008 FK75, C/2005 L3, 88P
561Piszkesteto Sta. in Hungary, 4 in MPEC 2009-M10 -- C/2009 F5, C/2008 Q1, C/2008 N1, C/2008 A1
J53Posadas Obs. in Spain, 6 in MPEC 2009-M10 -- C/2009 F5, C/2008 Q1, C/2008 FK75, C/2006 Q1, C/2005 L3, 88P
H06RAS Obs. Mayhill in New Mexico, 2 in MPEC 2009-M10 -- C/2008 P1, C/2006 Q1
H06%Ernesto Guido in Italy via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2009-M07 -- 433
473Remanzacco Obs. in Italy, 1 in MPEC 2009-M09 -- C/2009 K4
I20Rio Cuarto Obs. in Argentina, 1 in MPEC 2009-M10 -- C/2008 Q3
B70Sant Celoni Obs. in Spain, 1 in MPEC 2009-M10 -- C/2008 N1
B74Santa Maria de Montmagastrell Obs. in Spain, 5 in MPECs 2009-M09 & 2009-M10 -- C/2009 K4, C/2009 E1, C/2008 Q3, C/2008 P1, C/2006 W3
E12Siding Spring Survey (SSS) in New South Wales, 2 in MPEC 2009-M07 -- 2009 JM2, 4954
510Siegen Obs. in Germany, 1 in MPEC 2009-M10 -- C/2006 Q1
B40Skylive Obs. in Italy, 3 in MPECs 2009-M07 & 2009-M10 -- C/2006 Q1, C/2005 L3, 15745
691Spacewatch 0.9m telescope in Arizona, 5 in MPEC 2009-M07 -- 2005 MO13, 66253, 137175, 5869, 5620
291Spacewatch 1.8m telescope in Arizona, 6 in MPECs 2009-M07 & 2009-M10 -- 2009 LS, 2009 LQ1, 2004 LC2, 2004 BE85, 2002 PP6, 169P
A71Stixendorf Obs. in Austria, 2 in MPECs 2009-M09 & 2009-M10 -- C/2009 K4, 22P
147Suno Obs. in Italy, 2 in MPECs 2009-M08 & 2009-M09 -- C/2009 K4, C/2009 K2
I19Tanti Obs. in Argentina, 1 in MPEC 2009-M10 -- C/2008 Q3
H10Tzec Maun Obs. Mayhill in New Mexico, 5 in MPEC 2009-M10 -- C/2008 N1, C/2008 FK75, C/2006 W3, C/2006 Q1, 169P
D25Tzec Maun Obs. Pingelly in Western Australia, 5 in MPEC 2009-M10 -- C/2009 F4, C/2008 Q3, 217P, 144P, 77P
A49Uppsala Obs. Angstrom in Sweden, 1 in MPEC 2009-M10 -- C/2009 F6
H47Vicksburg Obs. in Mississippi, 1 in MPEC 2009-M10 -- C/2006 W3
198Wildberg Obs. in Germany, 2 in MPEC 2009-M07 -- 2009 MA, 2005 MR5
J08Zonalunar Obs. in Spain, 1 in MPEC 2009-M10 -- 74P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

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Impact Risk Monitoring  on 17 June '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 LW2NEODyS14192012-2089145.31e-09-5.37-5.950NEODyS: "Based on 7 optical observations (of which 0 are rejected as outliers) from 2009/06/15.441 to 2009/06/16.405."
2009 LU2NEODyS1419201415.08e-11-7.90-7.900NEODyS: "Based on 14 optical observations (of which 0 are rejected as outliers) from 2009/06/14.206 to 2009/06/16.164."
2009 LQ1JPL Sentry1419R E M O V E DJPL: Risk listing removed at 0848 UTC.
NEODyS1419R E M O V E D-
2009 KKJPL Sentry1419R E M O V E DJPL: Risk listing removed at 0852 UTC.
NEODyS1419R E M O V E D-

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.

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Chronology  on 17 June '09

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

1635Grabbed MPEC 2009-M08 - Comet C/2009 K2 (Catalina) - see above
Grabbed MPEC 2009-M09 - Comet C/2009 K4 (Gibbs) - see above
Grabbed MPEC 2009-M10 - Observations of Comets - see above
1419Noted that JPL Sentry has removed 2009 KK as an impact risk - see above
Noted that NEODyS has removed 2009 KK as an impact risk - see above
Noted that JPL Sentry has removed 2009 LQ1 as an impact risk - see above
Noted that NEODyS has removed 2009 LQ1 as an impact risk - see above
Noted that NEODyS has posted 2009 LU2 as an impact risk - see above
Noted that NEODyS has posted 2009 LW2 as an impact risk - see above
Grabbed MPEC 2009-M07 - Daily Orbit Update - see above
Noted that the NEOCP has become active