Contents  on 21 November '08

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.

NEOCP Activity  on 21 November '08

The MPC's NEO Confirmation Page has 5 listings: 5 updated

When last checked at 2359 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had five updated listings. Of these, three were "one nighters." So far The Tracking News has counted a total of 25 objects listed on the NEOCP at some point today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

New MPECs  on 21 November '08

Minor Planet Electronic Circulars

As of last check at 2359 UTC, there have been 20 MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2008-W47 - "17:24 UT" - Observations of Comets


MPEC 2008-W46 - "17:12 UT" - Comet P/2008 U1 (McMillan)


MPEC 2008-W45 - "17:08 UT" - Comet P/2008 T4 (Hill)


MPEC 2008-W44 - "17:06 UT" - Comet C/2008 T2 (Cardinal)


MPEC 2008-W43 - "17:03 UT" - Comet C/2008 S3 (Boattini)


MPEC 2008-W42 - "16:59 UT" - Comet P/2008 S1 = 2008 JK (Catalina-McNaught)


MPEC 2008-W41 - "16:55 UT" - Comet P/2008 O2 (McNaught)


MPEC 2008-W40 - "16:35 UT" - 2007 VD3


MPEC 2008-W39 - "16:27 UT" - 2008 WJ14


MPEC 2008-W38 - "16:24 UT" - 2008 WH14


MPEC 2008-W37 - "16:21 UT" - 2008 WG14


MPEC 2008-W36 - "16:18 UT" - 2008 WF14


MPEC 2008-W35 - "16:15 UT" - 2008 WE14


MPEC 2008-W34 - "16:12 UT" - 2008 WD14


MPEC 2008-W33 - "14:25 UT" - 2008 WC14


MPEC 2008-W32 - "14:23 UT" - 2008 WB14


MPEC 2008-W31 - "14:20 UT" - 2008 WA14


MPEC 2008-W30 - "14:18 UT" - 2008 WZ13


MPEC 2008-W29 - "14:15 UT" - 2008 WY13


<< DOU on 21 Nov. '08 >>  MPEC 2008-W28 - "07:09 UT" - Daily Orbit Update

Observers  on 21 November '08

A total of 72 observing facilities appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 11 in MPECs 2008-W44 & 2008-W47 -- C/2008 T2, P/2008 T1, P/2008 Q2, P/2008 L2, C/2007 U1, C/2006 W3, 207P, 144P, 59P, 29P, 19P
J97Alginet Obs. in Spain, 4 in MPEC 2008-W47 -- C/2008 R3, P/2008 QP20, C/2007 U1, C/2006 W3
J24Altamira Obs. in Spain, 2 in MPEC 2008-W47 -- C/2006 W3, 47P
B37Ametlla del Valles Obs. in Spain, 6 in MPEC 2008-W47 -- P/2008 QP20, 204P, 188P, 144P, 81P, 59P
A50Andrushivka Obs. in the Ukraine, 2 in MPECs 2008-W28 & 2008-W43 -- 2008 TK157, C/2008 S3
J20Aravaca Obs., 4 in MPEC 2008-W47 -- P/2008 Q2, C/2006 W3, C/2006 OF2, 6P
H55Astronomical Research Obs. (ARO) in Illinois, 15 in MPECs 2008-W28 & 2008-W40 -- 2008 WP2, 2008 WE, 2008 WC, 2008 WB, 2008 VU3, 2008 VN, 2008 VF, 2008 UX, 2008 UV91, 2008 US2, 2008 UE7, 2008 SC85, 2008 NB, 2008 MZ, 2007 VD3
J51Atlante Obs. in the Canary Islands, 6 in MPEC 2008-W47 -- P/2008 Q2, P/2008 L2, 205P, 144P, 61P, 51P
467Auckland Obs. in New Zealand, 1 in MPEC 2008-W42 -- P/2008 S1
I32Beta Orionis Obs. in Argentina, 2 in MPEC 2008-W47 -- C/2007 Q3, 205P
J79Calarreona Obs. in Spain, 11 in MPEC 2008-W47 -- C/2008 R3, P/2008 Q2, C/2008 A1, C/2006 W3, C/2006 OF2, 205P, 144P, 67P, 61P, 47P, 44P
B20Carmelita Obs. in Spain, 5 in MPEC 2008-W47 -- C/2008 J1, C/2006 W3, C/2006 OF2, 205P, 144P
703Catalina Sky Survey (CSS) in Arizona, 21 in MPECs 2008-W28, 2008-W31, 2008-W33 & 2008-W47 -- 2008 WC14, 2008 WA14, 2008 RY24, 2008 QT3, C/2007 VO53, C/2007 U1, 2006 VB14, P/2005 Y2, 53319, 39572, 36284, 190758, 190135, 171576, 11500, 8567, 202P, 144P, 81P, 61P, 59P
B24Cesson Obs. in France, 1 in MPEC 2008-W47 -- C/2006 W3
A77Chante-Perdrix Obs. in France, 10 in MPEC 2008-W47 -- P/2008 T1, P/2008 QP20, P/2008 Q2, C/2006 W3, C/2005 EL173, 205P, 144P, 94P, 59P, 6P
850Cordell-Lorenz Obs. in Tennessee, 6 in MPECs 2008-W43, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T1, C/2008 S3, C/2006 OF2, 205P, 144P
448Desert Moon Obs. in New Mexico, 2 in MPEC 2008-W28 -- 2008 UW5, 162679
J27El Guijo Obs. in Spain, 1 in MPEC 2008-W47 -- C/2008 R3
E85Farm Cove Obs. in New Zealand, 3 in MPECs 2008-W42 & 2008-W47 -- P/2008 S1, C/2007 Q3, 61P
372Geisei Obs. in Japan, 6 in MPECs 2008-W44 & 2008-W47 -- C/2008 T2, C/2008 A1, 205P, 144P, 29P, 6P
E16Grove Creek Obs. in New South Wales, 1 in MPEC 2008-W47 -- 205P
442Gualba Obs. in Spain, 6 in MPEC 2008-W47 -- P/2008 QP20, P/2008 Q2, C/2008 A1, 144P, 59P, 29P
379Hamamatsu-Yuto Obs. in Japan, 7 in MPECs 2008-W28 & 2008-W47 -- 2008 UE7, 2008 SQ1, C/2006 W3, 2006 SZ217, C/2006 OF2, 2005 TZ51, 2004 XK3
A18Herne Obs. in Germany, 4 in MPEC 2008-W47 -- C/2008 J1, C/2008 A1, C/2006 W3, 205P
B19Iluro Obs. in Spain, 2 in MPEC 2008-W47 -- C/2006 OF2, 144P
J39Ingenio Obs. in the Canary Islands, 6 in MPEC 2008-W47 -- P/2008 Q2, C/2008 A1, C/2006 W3, C/2006 OF2, 205P, 144P
G92Jarnac Obs. in Arizona, 3 in MPECs 2008-W28 & 2008-W47 -- P/2008 Q2, 2008 MR1, 61P
G89Kachina Obs. in Arizona, 1 in MPEC 2008-W28 -- 2004 XK3
682Kanab Obs. in Utah, 1 in MPEC 2008-W28 -- 2008 WP1
585Kiev Comet Station in the Ukraine, 9 in MPECs 2008-W43, 2008-W44, 2008-W45, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T4, C/2008 T2, C/2008 S3, 205P, 202P, 144P, 74P, 44P
704LINEAR in New Mexico, 26 in MPECs 2008-W28, 2008-W32, 2008-W41, 2008-W43, 2008-W45 & 2008-W47 -- 2008 WP2, 2008 WN2, 2008 WN, 2008 WB14, P/2008 T4, C/2008 S3, P/2008 Q2, P/2008 O2, P/2008 L2, 2003 WX25, 65733, 54071, 194386, 163000, 162004, 137052, 136923, 7335, 202P, 144P, 117P, 81P, 67P, 51P, 47P, 44P
212La Dehesilla Obs., 2 in MPECs 2008-W43 & 2008-W47 -- C/2008 S3, 47P
J75La Sagra Obs. in Spain, 1 in MPEC 2008-W47 -- 59P
J38La Vara Obs. in Spain, 6 in MPECs 2008-W44 & 2008-W47 -- C/2008 T2, P/2008 Q2, C/2006 W3, C/2006 OF2, 205P, 61P
130Lumezzane Obs. in Italy, 4 in MPECs 2008-W45, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T4, P/2008 Q2, 59P
J40Malaga Obs. in Spain, 3 in MPEC 2008-W47 -- P/2008 QP20, 205P, 200P
5682David Tholen's team on Mauna Kea in Hawaii, 2 in MPEC 2008-W28 -- 2008 TV25, 2008 SQ7
118Modra Obs. in Slovakia, 2 in MPEC 2008-W47 -- C/2008 R3, P/2008 L2
J46Montana Blanca Obs. in the Canary Islands, 2 in MPEC 2008-W47 -- 205P, 47P
J45Montana Cabreja Obs. in the Canary Islands, 2 in MPEC 2008-W47 -- 61P, 51P
213Montcabre Obs. in Spain, 4 in MPECs 2008-W45 & 2008-W47 -- P/2008 T4, C/2008 Q1, C/2006 OF2, 144P
900Moriyama Obs. in Japan, 24 in MPECs 2008-W44, 2008-W45, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T4, C/2008 T2, C/2008 R3, P/2008 QP20, P/2008 Q2, C/2008 Q1, C/2008 N1, P/2008 L2, C/2008 J1, C/2008 A1, C/2007 VO53, C/2007 U1, C/2006 W3, C/2006 OF2, 204P, 144P, 81P, 61P, 59P, 51P, 29P, 19P, 6P
G96Mt. Lemmon Survey (MLS) in Arizona, 22 in MPECs 2008-W28, 2008-W29, 2008-W30, 2008-W31, 2008-W32, 2008-W33, 2008-W34, 2008-W35, 2008-W37, 2008-W38, 2008-W39 & 2008-W47 -- 2008 WZ13, 2008 WY13, 2008 WO2, 2008 WN, 2008 WJ14, 2008 WH14, 2008 WG14, 2008 WE14, 2008 WD14, 2008 WD, 2008 WC14, 2008 WC, 2008 WB14, 2008 WA14, 2008 UZ201, P/2008 Q2, P/2005 Y2, 2004 XK3, 1995 MA1, 52768, 162039, 94P
D81Nagano Obs., 1 in MPEC 2008-W47 -- C/2008 R3
J47Nazaret Obs. in Spain, 10 in MPEC 2008-W47 -- P/2008 Q2, C/2008 A1, C/2006 W3, C/2006 OF2, 205P, 144P, 67P, 51P, 47P, 6P
A24New Millennium Obs. in Italy, 4 in MPEC 2008-W28 -- 36236, 162679, 4183, 1620
411Oizumi Obs., 2 in MPEC 2008-W47 -- C/2006 OF2, 29P
B49Paus Obs. in Spain, 2 in MPEC 2008-W47 -- 144P, 59P
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 17 in MPECs 2008-W28, 2008-W43, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T1, C/2008 S3, C/2008 R3, 2008 QT3, P/2008 Q2, C/2008 N1, C/2007 U1, C/2006 W3, C/2006 OF2, 2004 DG2, 1994 AW1, 200P, 144P, 59P, 51P, 44P
J53Posadas Obs. in Spain, 9 in MPEC 2008-W47 -- P/2008 QP20, P/2008 Q2, P/2008 L2, C/2008 J1, C/2007 U1, C/2006 W3, 205P, 61P, 59P
473Remanzacco Obs. in Italy, 2 in MPECs 2008-W46 & 2008-W47 -- P/2008 U1, C/2006 W3
854Sabino Canyon Obs. in Arizona, 5 in MPECs 2008-W28, 2008-W29, 2008-W31, 2008-W32 & 2008-W37 -- 2008 WY13, 2008 WG14, 2008 WD, 2008 WB14, 2008 WA14
104San Marcello Pistoiese Obs. in Italy, 3 in MPECs 2008-W28, 2008-W45 & 2008-W46 -- P/2008 U1, P/2008 T4, 2004 XK3
233San Vito Obs. in Italy, 3 in MPEC 2008-W47 -- P/2008 QP20, C/2006 W3, 59P
H36Sandlot Obs. in Kansas, 10 in MPECs 2008-W29, 2008-W30, 2008-W31, 2008-W32, 2008-W33, 2008-W36, 2008-W37, 2008-W38 & 2008-W47 -- 2008 WZ13, 2008 WY13, 2008 WH14, 2008 WG14, 2008 WF14, 2008 WC14, 2008 WB14, 2008 WA14, P/2008 Q2, C/2008 E1
B70Sant Celoni Obs. in Spain, 5 in MPECs 2008-W28 & 2008-W47 -- 2008 SP7, P/2008 Q2, C/2006 W3, 144P, 59P
B61Sant Cugat del Valles Obs. in Spain, 1 in MPEC 2008-W47 -- 144P
B56Sant Pere Obs. in Spain, 4 in MPEC 2008-W47 -- C/2006 W3, C/2006 OF2, 144P, 59P
B74Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2008-W47 -- 144P
204Schiaparelli Obs. in Italy, 15 in MPECs 2008-W45, 2008-W46 & 2008-W47 -- P/2008 U1, P/2008 T4, P/2008 T1, C/2008 J1, C/2006 W3, C/2005 EL173, 207P, 205P, 200P, 81P, 74P, 67P, 47P, 29P, 19P
E12Siding Spring Survey in New South Wales, 1 in MPEC 2008-W28 -- 2008 UC
B40Skylive Obs. in Italy, 1 in MPEC 2008-W47 -- C/2006 OF2
587Sormano Obs. in Italy, 2 in MPEC 2008-W28 -- 2008 VF, 2004 XK3
691Spacewatch 0.9m telescope in Arizona, 5 in MPECs 2008-W36, 2008-W43 & 2008-W47 -- 2008 WF14, C/2008 S3, 202P, 117P, 44P
291Spacewatch 1.8m telescope in Arizona, 9 in MPECs 2008-W28, 2008-W29, 2008-W30, 2008-W31 & 2008-W36 -- 2008 WZ13, 2008 WY13, 2008 WF14, 2008 WA14, 2008 VL14, 2008 VB1, 2008 UW99, 2008 SJ82, 2008 RZ24
629Szeged Obs. in Hungary, 1 in MPEC 2008-W47 -- C/2008 N1
6735Jim Young via Table Mtn. Obs. in southern California, 1 in MPEC 2008-W33 -- 2008 WC14
H10Tzec Maun Obs. Mayhill in New Mexico, 4 in MPEC 2008-W47 -- P/2008 Q2, 144P, 44P, 19P
B51Vallauris Obs. in France, 1 in MPEC 2008-W47 -- C/2006 W3
J70Vega del Thader Obs. in Spain, 2 in MPEC 2008-W47 -- C/2008 A1, 205P
B42Vitebsk Obs. in Belarus, 10 in MPECs 2008-W45 & 2008-W47 -- P/2008 T4, P/2008 T1, P/2008 QP20, P/2008 Q2, P/2008 L2, 205P, 200P, 188P, 144P, 61P
367Yatsuka Obs., 2 in MPEC 2008-W47 -- C/2008 A1, C/2006 W3
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 21 November '08

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL at 2359 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.
Note that the time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090.
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
2008 WJ14JPL Sentry19002031-208792.7e-09-9.30-9.840JPL: "Analysis based on 12 observations spanning .10198 days (2008-Nov-21.36087 to 2008-Nov-21.46285)." Diameter approximately 0.016 km. from mean, weighted H=26.7.
2008 WA14JPL Sentry1558206113.0e-08-6.50-6.500JPL: "Analysis based on 18 observations spanning 1.0027 days (2008-Nov-20.28229 to 2008-Nov-21.28496)." Diameter approximately 0.087 km. from mean, weighted H=22.9.
2008 WZ13JPL Sentry17582053-207834.6e-10-6.03-6.370JPL: "Analysis based on 17 observations spanning 1.0386 days (2008-Nov-20.27557 to 2008-Nov-21.31417)." Diameter approximately 0.770 km. from mean, weighted H=18.2.
2008 WY13JPL Sentry17582053-2108686.7e-08-5.27-6.520JPL: "Analysis based on 17 observations spanning .95655 days (2008-Nov-20.27393 to 2008-Nov-21.23048)." Diameter approximately 0.180 km. from mean, weighted H=21.4.
2008 WO2JPL Sentry13582065-209671.3e-05-7.57-7.740JPL: "Analysis based on 16 observations spanning 1.0356 days (2008-Nov-20.21777 to 2008-Nov-21.25341)." Diameter approximately 0.004 km. from mean, weighted H=29.7.
2008 WP1JPL Sentry1358203713.6e-10-6.93-6.930JPL: "Analysis based on 13 observations spanning 1.0220 days (2008-Nov-19.18644 to 2008-Nov-20.20845)." Diameter approximately 0.320 km. from mean, weighted H=20.1.
NEODyS1358203725.88e-10-6.94-7.240NEODyS: "Based on 13 optical observations (of which 0 are rejected as outliers) from 2008/11/19.187 to 2008/11/20.209."
2008 VL14JPL Sentry1358207627.8e-07-3.94-4.150JPL: "Analysis based on 40 observations spanning 11.842 days (2008-Nov-09.2656 to 2008-Nov-21.10802)." Diameter approximately 0.210 km. from mean, weighted H=21.1.
NEODyS13582071-207639.06e-07-3.87-4.140NEODyS: "Based on 41 optical observations (of which 1 are rejected as outliers) from 2008/11/09.266 to 2008/11/21.109."
2008 UW99JPL Sentry1358209314.8e-07-6.51-6.510JPL: "Analysis based on 42 observations spanning 20.758 days (2008-Oct-31.45784 to 2008-Nov-21.21541)." Diameter approximately 0.039 km. from mean, weighted H=24.7.
2008 TC3NEODyS1758R 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.

Chronology  on 21 November '08

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

1900Noted that JPL Sentry has posted 2008 WJ14 as an impact risk - see above
1758Noted that NEODyS has removed 2008 TC3 as an impact risk - see above
Noted that JPL Sentry has posted 2008 WY13 as an impact risk - see above
Noted that JPL Sentry has posted 2008 WZ13 as an impact risk - see above
Grabbed MPEC 2008-W34 - 2008 WD14 - see above
Grabbed MPEC 2008-W35 - 2008 WE14 - see above
Grabbed MPEC 2008-W36 - 2008 WF14 - see above
Grabbed MPEC 2008-W37 - 2008 WG14 - see above
Grabbed MPEC 2008-W38 - 2008 WH14 - see above
Grabbed MPEC 2008-W39 - 2008 WJ14 - see above
Grabbed MPEC 2008-W40 - 2007 VD3 - see above
Grabbed MPEC 2008-W41 - Comet P/2008 O2 (McNaught) - see above
Grabbed MPEC 2008-W42 - Comet P/2008 S1 = 2008 JK (Catalina-McNaught) - see above
Grabbed MPEC 2008-W43 - Comet C/2008 S3 (Boattini) - see above
Grabbed MPEC 2008-W44 - Comet C/2008 T2 (Cardinal) - see above
Grabbed MPEC 2008-W45 - Comet P/2008 T4 (Hill) - see above
Grabbed MPEC 2008-W46 - Comet P/2008 U1 (McMillan) - see above
Grabbed MPEC 2008-W47 - Observations of Comets - see above
1558Noted that JPL Sentry has posted 2008 WA14 as an impact risk - see above
1458Grabbed MPEC 2008-W29 - 2008 WY13 - see above
Grabbed MPEC 2008-W30 - 2008 WZ13 - see above
Grabbed MPEC 2008-W31 - 2008 WA14 - see above
Grabbed MPEC 2008-W32 - 2008 WB14 - see above
Grabbed MPEC 2008-W33 - 2008 WC14 - see above
1358Noted that JPL Sentry has updated its 2008 UW99 risk assessment - see above
Noted that JPL Sentry has updated its 2008 VL14 risk assessment - see above
Noted that NEODyS has updated its 2008 VL14 risk assessment - see above
Noted that JPL Sentry has posted 2008 WO2 as an impact risk - see above
Noted that JPL Sentry has updated its 2008 WP1 risk assessment - see above
Noted that NEODyS has updated its 2008 WP1 risk assessment - see above
Grabbed MPEC 2008-W28 - Daily Orbit Update - see above