2010-10-28 Tracking News

Contents on 28 October '10

IAU Minor Planet Center
- NEOCP Activity -- nine listings: 5 new, 4 updated
- New MPECs -- nine MPECs
Observers -- 70 observing facilities
Impact Risk Monitoring -- three objects
Chronology

Resources:

Consolidated Risk Tables - the CRT page
Of 347 risk-listed objects, 37 have had news in the last 31 days. Updated at 2359 UTC on 28 Oct.
Earth's Busy Neighborhood Traffic Report
Three objects are known to be within ten LD of Earth today. Updated at 2107 UTC on 27 Oct.
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 28 October '10

The MPC's NEO Confirmation Page has 9 listings: 5 new, 4 updated

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had five new and four updated listings. Of these, six were "one nighters." So far The Tracking News has counted a total of seventeen 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 28 October '10

Minor Planet Electronic Circulars

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

MPEC 2010-U40 time-stamped "03:50 UT" - 2006 TH7 - see below
MPEC 2010-U41 time-stamped "06:10 UT" - Daily Orbit Update - see below
MPEC 2010-U42 time-stamped "20:45 UT" - Observations of Comets - see below
MPEC 2010-U43 time-stamped "21:12 UT" - 2010 UX6 - see below
MPEC 2010-U44 time-stamped "22:35 UT" - 2010 UY6 - see below
MPEC 2010-U45 time-stamped "22:38 UT" - 2010 UZ6 - see below
MPEC 2010-U46 time-stamped "22:43 UT" - 2010 UA7 - see below
MPEC 2010-U47 time-stamped "22:53 UT" - 2010 UB7 - see below
MPEC 2010-U48 time-stamped "22:57 UT" - 2010 UC7

MPEC 2010-U48 - "22:57 UT" - 2010 UC7

K10U07C 2010 UC7 (small asteroid, Earth MOID=1.7 LD, H=24.6 ~41m) from the Catalina Sky Survey (CSS) (Oct. 28.44-49p8), Sormano Obs. (Oct. 28.81-82p4), Farra d'Isonzo Obs. (Oct. 28.82-84p3), New Millennium Obs. (Oct. 28.86p5), CAST Obs. (Oct. 28.86p2), Gnosca Obs. (Oct. 28.88-89p2), and Schiaparelli Obs. (Oct. 28.88-90p3) This object will be coming within ten lunar distances (LD) of Earth, reaching 7.5 LD on 3 Nov.

MPEC 2010-U47 - "22:53 UT" - 2010 UB7

K10U07B 2010 UB7 (borderline-small, H=21.9 ~141m) from CSS (Oct. 28.25-28p4 & 28.34-36p4), New Millennium Obs. (Oct. 28.88-89p4), and Sormano Obs. (Oct. 28.89-90p3)

MPEC 2010-U46 - "22:43 UT" - 2010 UA7

K10U07A 2010 UA7 (small asteroid, H=23.3 ~74m) from the Mt. Lemmon Survey (MLS) (Oct. 28.26-28p3 & 28.39p4), the Spacewatch 1.8m telescope (Oct. 28.42-43p2), and Schiaparelli Obs. (Oct. 28.88-90p2)

MPEC 2010-U45 - "22:38 UT" - 2010 UZ6

K10U06Z 2010 UZ6 (small asteroid, Q=4.045 AU, H=26.4 ~18m) from MLS (Oct. 28.22-25p8, 28.31p3 & 28.40p3) and Schiaparelli Obs. (Oct. 28.84-86p2)

MPEC 2010-U44 - "22:35 UT" - 2010 UY6

K10U06Y 2010 UY6 (Q=4.363 AU, H=20.3 ~295m) from WISE (Oct. 22.97p1, 23.10p1, 23.23p1, 23.36p2, 23.63p1, 23.76p1, 23.89p1, 24.02p1, 24.09p1, 24.22p2, 24.29p1, 24.36p1, 24.42p1, 24.49p1, 24.55p1, 24.69p1, 24.75p1, 24.82p1 & 24.88p1), Sormano Obs. (Oct. 26.89-92p2), Modra Obs. (Oct. 27.15-17p3), David Tholen's team on Mauna Kea (Oct. 27.56p3), and Schiaparelli Obs. (Oct. 28.03p1)

MPEC 2010-U43 - "21:12 UT" - 2010 UX6

K10U06X 2010 UX6 (risk-listed, Q=4.103 AU, Earth MOID=8.0 LD, H=23.1 ~81m) from La Sagra Obs. (Oct. 27.78-83p4 & 27.95-96p4), Schiaparelli Obs. (Oct. 27.97-98p5), Great Shefford Obs. (Oct. 27.97-98p2), Astronomical Research Obs. Westfield (Oct. 28.15-17p3), Sandlot Obs. (Oct. 28.17-18p3), ISON-NM Obs. (Oct. 28.25-27p4), Sabino Canyon Obs. (Oct. 28.26-27p3), San Marcello Pistoiese Obs. (Oct. 28.80-81p3), Remanzacco Obs. (Oct. 28.82-83p4), New Millennium Obs. (Oct. 28.83-84p5), Sormano Obs. (Oct. 28.84p3), and CAST Obs. (Oct. 28.85-86p2)

MPEC 2010-U42 - "20:45 UT" - Observations of Comets

CK10G030 C/2010 G3 (WISE) from Piszkesteto Sta. (Oct. 10.77-78p3 & 11.81-82p3) and Chante-Perdrix Obs. (Oct. 12.79-80p3)
CK10G020 C/2010 G2 (Hill) from Piszkesteto Sta. (Oct. 10.76-77p4) and Maidbronn Obs. (Oct. 21.74-75p3)
CK10B010 C/2010 B1 (Cardinal) from Odessa-Mayaki Obs. (Oct. 12.05-09p4 & 13.07p2), WISE (Oct. 18.08p1, 18.21p1, 18.34p2, 18.48p1, 18.54p1, 18.61p1, 18.74p1, 18.81p1 & 19.07p1), Castelmartini Obs. (Oct. 20.09p2 & 21.18p2), Chante-Perdrix Obs. (Oct. 21.19-21p3), Vicksburg Obs. (Oct. 21.44-45p4 & 22.46-48p3), Monte Deva Obs. (Oct. 22.07-09p5), Ka-Dar Obs. TAU Station (Oct. 24.95-96p3), and Malaga Obs. (Oct. 25.13-16p3)
CK09Y010 C/2009 Y1 (Catalina) from Piszkesteto Sta. (Oct. 9.82p3 & 11.07-09p10), Maidbronn Obs. (Oct. 21.78-80p3), La Vara Obs. (Oct. 21.81-82p3 & 26.82p3), Osaki Obs. (Oct. 23.39p3), Kurihara Obs. (Oct. 23.39-40p4), TAU Sta. (Oct. 24.80-81p3), Chante-Perdrix Obs. (Oct. 26.76-77p3), and Zonalunar Obs. (Oct. 27.80-86p3)
CK09T010 C/2009 T1 (McNaught) from Geisei Obs. (Oct. 5.79p1) and Ageo Obs. (Oct. 10.77-78p2)
CK09S030 C/2009 S3 (Lemmon) from Piszkesteto Sta. (Oct. 9.90-91p3) and Maidbronn Obs. (Oct. 12.93-95p3)
CK09P020 C/2009 P2 (Boattini) from Piszkesteto Sta. (Oct. 7.87-88p3) and Chante-Perdrix Obs. (Oct. 26.81-82p2)
CK09K050 C/2009 K5 (McNaught) from Piszkesteto Sta. (Oct. 9.05p3, 9.99-00p3 & 11.05-06p5), Ageo Obs. (Oct. 10.63-65p3), Castelmartini Obs. (Oct. 20.07-08p3 & 21.14-15p2), Vicksburg Obs. (Oct. 21.42-43p3), Siegen Obs. (Oct. 21.95-96p3), Monte Deva Obs. (Oct. 22.05-06p5), Kurihara Obs. (Oct. 22.57p3), Jaen Obs. (Oct. 24.03-05p3), TAU Sta. (Oct. 24.97-98p3), and Montcabre Obs. (Oct. 27.14-16p3)
CK08S030 C/2008 S3 (Boattini) from Piszkesteto Sta. (Oct. 7.95p3 & 9.92p3), Ageo Obs. (Oct. 10.71-75p2), Sant Celoni Obs. (Oct. 25.89-91p3), GiaGa Obs. (Oct. 26.98-02p2), TAU Sta. (Oct. 27.82-83p3), Naef Obs. (Oct. 27.85-90p3), Zonalunar Obs. (Oct. 27.91p1), and CSS (Oct. 28.19-22p4)
CK08P010 C/2008 P1 (Garradd) from Piszkesteto Sta. (Oct. 7.90-91p3 & 10.95p3) and ISON-NM Obs. (Oct. 26.48-50p3)
CK08F75K C/2008 FK75 (Lemmon-Siding Spring) from Remanzacco Obs. (Sept. 1.88p2), Piszkesteto Sta. (Oct. 8.83-84p3 & 11.85-86p3), Odessa-Mayaki Obs. (Oct. 11.75p4), Kiev Comet Station (Oct. 11.88p4), Hobbs Obs. (Oct. 19.12-14p2), Castelmartini Obs. (Oct. 19.74p3), CAST Obs. (Oct. 21.83p2), La Vara Obs. (Oct. 21.87-88p3), Monte Deva Obs. (Oct. 21.87-90p5), Kurihara Obs. (Oct. 23.41p4), Osaki Obs. (Oct. 23.42-43p2), Chante-Perdrix Obs. (Oct. 23.80-81p3), TAU Sta. (Oct. 25.70p3 & 27.73-74p3), and Siegen Obs. (Oct. 25.83-85p3)
CK07V53O C/2007 VO53 (Spacewatch) from Piszkesteto Sta. (Oct. 8.85p3, 10.82p3 & 11.85p3)
CK07Q03a C/2007 Q3-A (Siding Spring A) from Ageo Obs. (Oct. 10.52-53p2 & 11.47p2), Maidbronn Obs. (Oct. 21.76-77p3), La Vara Obs. (Oct. 21.85-86p3 & 26.83-84p3), and Siegen Obs. (Oct. 25.80-82p3)
CK07N030 C/2007 N3 (Lulin) from Zelenchukskaya Obs. (Sept. 16.03-07p3), TAU Sta. (Sept. 17.97p1), and Chante-Perdrix Obs. (Oct. 2.17p2)
CK06S030 C/2006 S3 (LONEOS) from Irmtraut Obs. (Sept. 2.98-00p3), Odessa-Mayaki Obs. (Oct. 11.74-76p7), Nazaret Obs. (Oct. 20.80-82p3), Santa Maria de Montmagastrell Obs. (Oct. 20.80-82p3), Monte Deva Obs. (Oct. 21.91-93p4), Castelmartini Obs. (Oct. 22.82p3), TAU Sta. (Oct. 25.69p3), Chante-Perdrix Obs. (Oct. 26.78-80p3), and La Vara Obs. (Oct. 26.87-88p2)
0241P 241P/LINEAR from La Sagra Obs. (Oct. 21.15-18p3) and TAU Sta. (Oct. 25.01-03p3)
0240P 240P/NEAT from Lumezzane Obs. (Oct. 15.06-07p4), Castelmartini Obs. (Oct. 20.06-07p3 & 21.13-14p2), Vicksburg Obs. (Oct. 21.38-39p2, 22.44-45p4 & 23.45-47p2), and TAU Sta. (Oct. 24.91p2)
0236P 236P/LINEAR from Kiev Comet Station (Oct. 7.90-93p4), CSS (Oct. 9.28-30p4), Nazaret Obs. (Oct. 20.87-88p3), Santa Maria de M. Obs. (Oct. 20.89-90p3), TAU Sta. (Oct. 24.77-78p3), Malaga Obs. (Oct. 24.93p3), and GiaGa Obs. (Oct. 26.91p1 & 26.97p1)
0223P 223P/Skiff from Kiev Comet Station (Oct. 12.02p3), Castelmartini Obs. (Oct. 19.87p3 & 20.91p3), LINEAR (Oct. 20.30-35p5), Nazaret Obs. (Oct. 20.91-92p3), Maidbronn Obs. (Oct. 22.12p3), and TAU Sta. (Oct. 27.91-92p2)
0219P 219P/LINEAR from Kiev Comet Station (Oct. 12.04-06p2) and Castelmartini Obs. (Oct. 20.97-98p3)
0142P 142P/Ge-Wang from Kiev Comet Station (Oct. 8.97-98p2) and ISON-NM Obs. (Oct. 17.35-37p3)
0126P 126P/IRAS from Chante-Perdrix Obs. (Oct. 18.15-17p3) and ISON-NM Obs. (Oct. 26.47-50p3)
0123P 123P/West-Hartley from Cielo Profundo Obs. (Oct. 18.10-11p3) and Castelmartini Obs. (Oct. 20.03p1 & 21.10p2)
0103P 103P/Hartley 2 from Moletai Obs. (Oct. 5.97p2 & 9.04p2), Tzec Maun Obs. Mayhill (Oct. 11.27-29p6 & 14.24p2), Kiev Comet Station (Oct. 11.00-01p4), Odessa-Mayaki Obs. (Oct. 12.99-00p8), Fuensanta de Martos Obs. (Oct. 14.93-94p7), Pulkovo Obs. Kislovodsk Mtn. Station (Oct. 18.93-94p3), Vicksburg Obs. (Oct. 19.33-34p3, 21.27-28p3, 22.40-41p3 & 23.42-43p3), RAS Obs. Mayhill (Oct. 19.38-39p4, 20.28-29p4 & 22.39p8), Castelmartini Obs. (Oct. 20.01-02p5 & 21.08-09p3), Santa Maria de M. Obs. (Oct. 20.92-93p3), Nazaret Obs. (Oct. 21.02p1, 21.12-14p2 & 21.22p1), Vallauris Obs. (Oct. 21.08-12p6), Cielo Profundo Obs. (Oct. 21.14-19p3), Chante-Perdrix Obs. (Oct. 21.18p3), CAST Obs. (Oct. 21.88p2), Malaga Obs. (Oct. 21.91p3 & 25.08-09p3), La Vara Obs. (Oct. 21.92p3), Siegen Obs. (Oct. 21.92-93p3 & 26.01-02p3), Monte Deva Obs. (Oct. 21.00p5), Casasco Obs. (Oct. 22.01-08p4), Gualba Obs. (Oct. 22.14p3 & 25.16p3), Maidbronn Obs. (Oct. 22.19p4), Mauna Kea (Oct. 22.52p5 & 27.65p3), Kurihara Obs. (Oct. 22.55-56p3), Urseanu Obs. (Oct. 22.91-94p3 & 23.88-91p3), Ageo Obs. (Oct. 23.59-60p3), and Montcabre Obs. (Oct. 27.17p3)
0081P 81P/Wild 2 from Tzec Maun Obs. Moorook (Oct. 5.43-44p2) and Ageo Obs. (Oct. 10.44-45p2)
0065P 65P/Gunn from La Vara Obs. (Oct. 21.79-81p3 & 26.80-81p3)
0010P 10P/Tempel 2 from Odessa-Mayaki Obs. (Oct. 12.97-98p4), Hobbs Obs. (Oct. 19.10-15p3), Monte Deva Obs. (Oct. 21.94-96p5 & 26.95-97p5), Kurihara Obs. (Oct. 22.53-54p3), RAS Obs. Moorook (Oct. 23.52-53p3), TAU Sta. (Oct. 24.78-79p3), Nazaret Obs. (Oct. 25.93-94p5), Siegen Obs. (Oct. 25.97-99p3), Carmelita Obs. (Oct. 27.90-92p3), and Zonalunar Obs. (Oct. 27.96p1)

<< DOU on 28 Oct. '10 >> MPEC 2010-U41 - "06:10 UT" - Daily Orbit Update

Observations of risk-listed objects
K10TE9U 2010 TU149 (q=0.377 AU, Q=4.113 AU, arc=9 days, H=20.6 ~257m) from David Asher via Faulkes Telescope North (Oct. 18.57-58p3)
Observations of recently (no longer) risk-listed objects
K10S16S 2010 SS16 (small asteroid, Q=4.563 AU, arc=27 days, H=23.4 ~71m) from Spacewatch 1.8m (Oct. 27.36p3)
Observations of almost-small asteroids (21.7<H<=22.0)
K10T55A 2010 TA55 (arc=16 days, H=22.0 ~135m) from Spacewatch 1.8m (Oct. 27.46-47p3)
Observations of other objects
K10U00D 2010 UD from Asher/Faulkes North (Oct. 18.57p3) and Eschenberg Obs. (Oct. 27.73p7)
K10TG8X 2010 TX168 (arc=17 days, H=19.8 ~371m) from Verona Obs. (Oct. 27.90-91p4)
K10T55C 2010 TC55 (Q=4.598 AU, arc=16 days, H=20.1 ~323m) from ARO Westfield (Oct. 27.22-23p4), Verona Obs. (Oct. 27.88p4), and Peschiera del Garda Obs. (Oct. 27.90-94p4)
K10T54U 2010 TU54 (arc=17 days, H=21.5 ~170m) from Spacewatch 1.8m (Oct. 27.48p3)
K10T47C 2010 TC47 (arc=21 days, H=20.4 ~282m) from Verona Obs. (Oct. 27.86-87p4)
K10T19H 2010 TH19 (arc=20 days, H=20.3 ~295m) from ARO Westfield (Oct. 27.15-16p3)
K10T07J 2010 TJ7 (arc=22 days, H=19.7 ~389m) from ARO Westfield (Oct. 27.17-19p6), Madonna di Dossobuono Obs. (Oct. 27.83p4), Jaen Obs. (Oct. 27.83-86p3), Atlante Obs. (Oct. 27.83-86p3), and Peschiera del Garda Obs. (Oct. 27.84-86p3)
K10S13D 2010 SD13 (Q=4.299 AU, arc=30 days, H=18.8 ~589m) from ARO Westfield (Oct. 27.12p4)
K10RE7A 2010 RA147 (arc=43 days, H=19.5 ~426m) from Eschenberg Obs. (Oct. 27.76-77p3)
K10R82O 2010 RO82 (Q=4.034 AU, arc=47 days, H=16.9 ~1.41 km) from the Siding Spring Survey (SSS) (Oct. 27.41p1 & 27.51p1)
K10R43K 2010 RK43 (arc=51 days, H=20.7 ~245m) from ARO Westfield (Oct. 27.20-21p4)
K10L63Y 2010 LY63 (arc=4 opp, H=17.9 ~891m) from Peschiera del Garda Obs. (Oct. 21.85-89p4), Highworth Obs. (Oct. 27.81-83p3), and Madonna di Dossobuono Obs. (Oct. 27.84-85p4)
K07R17U 2007 RU17 (q=0.351 AU, arc=2 opp, H=18.1 ~812m) from Kiev Comet Station (Oct. 15.93-00p18), Verona Obs. (Oct. 22.86p4), Eschenberg Obs. (Oct. 27.74p6), Atlante Obs. (Oct. 27.81-82p3), Peschiera del Garda Obs. (Oct. 27.81-83p7), and Madonna di Dossobuono Obs. (Oct. 27.82p4)
K06K21L 2006 KL21 (arc=2 opp, H=20.9 ~224m) from SSS (Oct. 27.49-50p4)
K05S71C 2005 SC71 (arc=2 opp, H=18.3 ~741m) from Spacewatch 1.8m (Oct. 28.11-12p3)
K04T12R 2004 TR12 (arc=4 opp, H=18.2 ~776m) from WISE (Oct. 21.46p2, 21.66p1, 21.73p1, 22.52p1, 22.65p1, 22.78p1 & 23.05p1)
K04Q24T 2004 QT24 (arc=4 opp, H=18.3 ~741m) from SSS (Oct. 26.45-47p4)
K04F04U 2004 FU4 (arc=3 opp, H=18.4 ~708m) from Castelmartini Obs. (Oct. 21.19p3)
K03YB8G 2003 YG118 (arc=6 opp, H=17.1 ~1.29 km) from Spacewatch 1.8m (Oct. 27.52-53p3)
K03U11V 2003 UV11 (q=0.344 AU, arc=4 opp, H=19.4 ~446m) from Eschenberg Obs. (Oct. 27.75p7), Highworth Obs. (Oct. 27.84-86p4 & 27.99-01p5), and Great Shefford Obs. (Oct. 27.86-87p3)
K03Q00A 2003 QA (arc=3 opp, H=18.3 ~741m) from Spacewatch 1.8m (Oct. 28.10-11p2)
K02V68E 2002 VE68 (arc=3 opp, H=20.4 ~282m) from ARO Westfield (Oct. 27.40-42p4)
P0706 250706 2005 RR6 from Castelmartini Obs. (Oct. 21.17p3)
O1370 241370 2008 LW8 from WISE (Oct. 23.61p1, 23.74p1, 23.81p1, 23.87p1, 24.00p2, 24.07p1, 24.14p1, 24.20p1, 24.47p2, 24.60p1, 24.73p1 & 24.86p1)
F2558 152558 1990 SA from SSS (Oct. 27.46-47p2)
E3381 143381 2003 BC21 from Highworth Obs. (Oct. 27.80-83p3)
D7032 137032 1998 UO1 from Peschiera del Garda Obs. (Oct. 21.82-83p3)
B1253 111253 2001 XU10 from WISE (Oct. 23.76p1, 23.89p1, 24.02p2, 24.09p1, 24.15p1, 24.22p1, 24.29p1, 24.42p1, 24.49p1, 24.55p1, 24.62p1, 24.68p1, 24.75p1, 24.82p1, 24.88p1 & 25.01p1)
96590 96590 1998 XB from Castelmartini Obs. (Oct. 21.18-19p3)
05131 5131 1990 BG from SSS (Oct. 26.69-73p4)
04954 4954 Eric (1990 SQ) from Castelmartini Obs. (Oct. 21.20p3)
04055 4055 Magellan (1985 DO2) from WISE (Oct. 21.09p1, 21.22p2, 21.48p1, 22.01p1, 22.15p1, 22.28p2, 22.41p1, 22.54p1 & 22.67p1)
03671 3671 Dionysus (1984 KD) from SSS (Oct. 27.45-48p4)

MPEC 2010-U40 - "03:50 UT" - 2006 TH7

K06T07H 2006 TH7 (Q=4.635 AU, H=19.2 ~490m) from SSS (Oct. 26.48-49p3 & 27.49-52p2)

Observers on 28 October '10

A total of 70 observing facilities appear in today's MPECs.

Code	Observer / observatory
`349`	Ageo Obs. in Japan, 6 in MPEC 2010-U42 -- C/2009 T1, C/2009 K5, C/2008 S3, C/2007 Q3-A, 103P, 81P
`H21`	Astronomical Research Obs. Westfield in Illinois, 7 in MPECs 2010-U41 & 2010-U43 -- 2010 UX6, 2010 TJ7, 2010 TH19, 2010 TC55, 2010 SD13, 2010 RK43, 2002 VE68
`J51`	Atlante Obs. in the Canary Islands, 2 in MPEC 2010-U41 -- 2010 TJ7, 2007 RU17
`235`	CAST Obs. in Italy, 4 in MPECs 2010-U42, 2010-U43 & 2010-U48 -- 2010 UX6, 2010 UC7, C/2008 FK75, 103P
`B20`	Carmelita Obs. in Spain, 1 in MPEC 2010-U42 -- 10P
`B66`	Casasco Obs. in Italy, 1 in MPEC 2010-U42 -- 103P
`160`	Castelmartini Obs. in Italy, 13 in MPECs 2010-U41 & 2010-U42 -- C/2010 B1, C/2009 K5, C/2008 FK75, C/2006 S3, 2004 FU4, 96590, 250706, 4954, 240P, 223P, 219P, 123P, 103P
`703`	Catalina Sky Survey (CSS) in Arizona, 4 in MPECs 2010-U42, 2010-U47 & 2010-U48 -- 2010 UC7, 2010 UB7, C/2008 S3, 236P
`A77`	Chante-Perdrix Obs. in France, 9 in MPEC 2010-U42 -- C/2010 G3, C/2010 B1, C/2009 Y1, C/2009 P2, C/2008 FK75, C/2007 N3, C/2006 S3, 126P, 103P
`J01`	Cielo Profundo Obs. in Spain, 2 in MPEC 2010-U42 -- 123P, 103P
`151`	Eschenberg Obs. in Switzerland, 4 in MPEC 2010-U41 -- 2010 UD, 2010 RA147, 2007 RU17, 2003 UV11
`595`	Farra d'Isonzo Obs. in Italy, 1 in MPEC 2010-U48 -- 2010 UC7
`F655`	David Asher in Northern Ireland via Faulkes Telescope North in Hawaii, 2 in MPEC 2010-U41 -- 2010 UD, 2010 TU149
`I88`	Fuensanta de Martos Obs., 1 in MPEC 2010-U42 -- 103P
`372`	Geisei Obs. in Japan, 1 in MPEC 2010-U42 -- C/2009 T1
`203`	GiaGa Obs. in Italy, 2 in MPEC 2010-U42 -- C/2008 S3, 236P
`143`	Gnosca Obs. in Switzerland, 1 in MPEC 2010-U48 -- 2010 UC7
`J95`	Great Shefford Obs. in England, 2 in MPECs 2010-U41 & 2010-U43 -- 2010 UX6, 2003 UV11
`442`	Gualba Obs. in Spain, 1 in MPEC 2010-U42 -- 103P
`951`	Highworth Obs. in England, 3 in MPEC 2010-U41 -- 2010 LY63, 2003 UV11, 143381
`750`	Hobbs Obs. in Wisconsin, 2 in MPEC 2010-U42 -- C/2008 FK75, 10P
`H15`	ISON-NM Obs. in New Mexico, 4 in MPECs 2010-U42 & 2010-U43 -- 2010 UX6, C/2008 P1, 142P, 126P
`A21`	Irmtraut Obs. in Germany, 1 in MPEC 2010-U42 -- C/2006 S3
`J28`	Jaen Obs. in Spain, 2 in MPECs 2010-U41 & 2010-U42 -- 2010 TJ7, C/2009 K5
`C32`	Ka-Dar Obs. TAU Station in Russia, 12 in MPEC 2010-U42 -- C/2010 B1, C/2009 Y1, C/2009 K5, C/2008 S3, C/2008 FK75, C/2007 N3, C/2006 S3, 241P, 240P, 236P, 223P, 10P
`585`	Kiev Comet Station in the Ukraine, 7 in MPECs 2010-U41 & 2010-U42 -- C/2008 FK75, 2007 RU17, 236P, 223P, 219P, 142P, 103P
`D95`	Kurihara Obs. in Japan, 5 in MPEC 2010-U42 -- C/2009 Y1, C/2009 K5, C/2008 FK75, 103P, 10P
`704`	LINEAR in New Mexico, 1 in MPEC 2010-U42 -- 223P
`J75`	La Sagra Obs. in Spain, 2 in MPECs 2010-U42 & 2010-U43 -- 2010 UX6, 241P
`J38`	La Vara Obs. in Spain, 6 in MPEC 2010-U42 -- C/2009 Y1, C/2008 FK75, C/2007 Q3-A, C/2006 S3, 103P, 65P
`130`	Lumezzane Obs. in Italy, 1 in MPEC 2010-U42 -- 240P
`560`	Madonna di Dossobuono Obs. in Italy, 3 in MPEC 2010-U41 -- 2010 TJ7, 2010 LY63, 2007 RU17
`B82`	Maidbronn Obs. in Germany, 6 in MPEC 2010-U42 -- C/2010 G2, C/2009 Y1, C/2009 S3, C/2007 Q3-A, 223P, 103P
`J40`	Malaga Obs. in Spain, 3 in MPEC 2010-U42 -- C/2010 B1, 236P, 103P
`568`	Mauna Kea in Hawaii, 1 in MPEC 2010-U42 -- 103P
`5682`	David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-U44 -- 2010 UY6
`118`	Modra Obs. in Slovakia, 1 in MPEC 2010-U44 -- 2010 UY6
`152`	Moletai Obs. in Lithuania, 1 in MPEC 2010-U42 -- 103P
`213`	Montcabre Obs. in Spain, 2 in MPEC 2010-U42 -- C/2009 K5, 103P
`945`	Monte Deva Obs. in Spain, 6 in MPEC 2010-U42 -- C/2010 B1, C/2009 K5, C/2008 FK75, C/2006 S3, 103P, 10P
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 2 in MPECs 2010-U45 & 2010-U46 -- 2010 UZ6, 2010 UA7
`A13`	Naef Obs. in Switzerland, 1 in MPEC 2010-U42 -- C/2008 S3
`J47`	Nazaret Obs. in Spain, 5 in MPEC 2010-U42 -- C/2006 S3, 236P, 223P, 103P, 10P
`A24`	New Millennium Obs. in Italy, 3 in MPECs 2010-U43, 2010-U47 & 2010-U48 -- 2010 UX6, 2010 UC7, 2010 UB7
`583`	Odessa-Mayaki Obs. in the Ukraine, 5 in MPEC 2010-U42 -- C/2010 B1, C/2008 FK75, C/2006 S3, 103P, 10P
`D92`	Osaki Obs. in Japan, 2 in MPEC 2010-U42 -- C/2009 Y1, C/2008 FK75
`A53`	Peschiera del Garda Obs. in Italy, 5 in MPEC 2010-U41 -- 2010 TJ7, 2010 TC55, 2010 LY63, 2007 RU17, 137032
`561`	Piszkesteto Sta. in Hungary, 10 in MPEC 2010-U42 -- C/2010 G3, C/2010 G2, C/2009 Y1, C/2009 S3, C/2009 P2, C/2009 K5, C/2008 S3, C/2008 P1, C/2008 FK75, C/2007 VO53
`C20`	Pulkovo Obs. Kislovodsk Mtn. Station in Russia, 1 in MPEC 2010-U42 -- 103P
`H06`	RAS Obs. Mayhill in New Mexico, 1 in MPEC 2010-U42 -- 103P
`D90`	RAS Obs. Moorook in South Australia, 1 in MPEC 2010-U42 -- 10P
`473`	Remanzacco Obs. in Italy, 2 in MPECs 2010-U42 & 2010-U43 -- 2010 UX6, C/2008 FK75
`854`	Sabino Canyon Obs. in Arizona, 1 in MPEC 2010-U43 -- 2010 UX6
`104`	San Marcello Pistoiese Obs. in Italy, 1 in MPEC 2010-U43 -- 2010 UX6
`H36`	Sandlot Obs. in Kansas, 1 in MPEC 2010-U43 -- 2010 UX6
`B70`	Sant Celoni Obs. in Spain, 1 in MPEC 2010-U42 -- C/2008 S3
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 3 in MPEC 2010-U42 -- C/2006 S3, 236P, 103P
`204`	Schiaparelli Obs. in Italy, 5 in MPECs 2010-U43, 2010-U44, 2010-U45, 2010-U46 & 2010-U48 -- 2010 UZ6, 2010 UY6, 2010 UX6, 2010 UC7, 2010 UA7
`E12`	Siding Spring Survey (SSS) in New South Wales, 7 in MPECs 2010-U40 & 2010-U41 -- 2010 RO82, 2006 TH7, 2006 KL21, 2004 QT24, 152558, 5131, 3671
`510`	Siegen Obs. in Germany, 5 in MPEC 2010-U42 -- C/2009 K5, C/2008 FK75, C/2007 Q3-A, 103P, 10P
`587`	Sormano Obs. in Italy, 4 in MPECs 2010-U43, 2010-U44, 2010-U47 & 2010-U48 -- 2010 UY6, 2010 UX6, 2010 UC7, 2010 UB7
`291`	Spacewatch 1.8m telescope in Arizona, 7 in MPECs 2010-U41 & 2010-U46 -- 2010 UA7, 2010 TU54, 2010 TA55, 2010 SS16, 2005 SC71, 2003 YG118, 2003 QA
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2010-U42 -- 103P
`D96`	Tzec Maun Obs. Moorook in South Australia, 1 in MPEC 2010-U42 -- 81P
`A92`	Urseanu Obs. in Romania, 1 in MPEC 2010-U42 -- 103P
`B51`	Vallauris Obs. in France, 1 in MPEC 2010-U42 -- 103P
`A48`	Verona Obs. in Italy, 4 in MPEC 2010-U41 -- 2010 TX168, 2010 TC55, 2010 TC47, 2007 RU17
`H47`	Vicksburg Obs. in Mississippi, 4 in MPEC 2010-U42 -- C/2010 B1, C/2009 K5, 240P, 103P
`C51`	WISE in Earth polar orbit, 6 in MPECs 2010-U41, 2010-U42 & 2010-U44 -- 2010 UY6, C/2010 B1, 2004 TR12, 241370, 111253, 4055
`115`	Zelenchukskaya Obs. in Russia, 1 in MPEC 2010-U42 -- C/2007 N3
`J08`	Zonalunar Obs. in Spain, 3 in MPEC 2010-U42 -- C/2009 Y1, C/2008 S3, 10P

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

Impact Risk Monitoring on 28 October '10

**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.
The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both also post impact solutions beyond 100 years for a few special 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

2010 UX6	JPL Sentry	2359	2079	2	9.5e-07	-5.30	-5.31	0	JPL: "Analysis based on 45 observations spanning 1.0800 days (2010-Oct-27.77604 to 2010-Oct-28.85604)." Diameter approximately 0.082 km. from mean, weighted H=23.1.

2010 TU149	NEODyS	1657	2077	1	4.89e-08	-4.85	-4.85	0	NEODyS: "Based on 65 optical observations (of which 0 are rejected as outliers) from 2010/10/13.379 to 2010/10/22.290."
2010 TU149	JPL Sentry	1657	R E M O V E D						JPL: Risk listing removed at 0954 UTC.

2008 VL	JPL Sentry	0348	2011-2101	716	1.1e-05	-6.50	-8.00	0	JPL: "Analysis based on 8 observations spanning .12404 days (2008-Nov-02.31035 to 2008-Nov-02.43439)." Diameter approximately 0.008 km. from mean, weighted H=28.0.

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 28 October '10

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

2359	Noted that JPL Sentry has posted 2010 UX6 as an impact risk - see above Grabbed MPEC 2010-U47 - 2010 UB7 - see above Grabbed MPEC 2010-U48 - 2010 UC7 - see above
2249	Grabbed MPEC 2010-U44 - 2010 UY6 - see above Grabbed MPEC 2010-U45 - 2010 UZ6 - see above Grabbed MPEC 2010-U46 - 2010 UA7 - see above
2200	Grabbed MPEC 2010-U42 - Observations of Comets - see above Grabbed MPEC 2010-U43 - 2010 UX6 - see above
1657	Noted that JPL Sentry has removed 2010 TU149 as an impact risk - see above Noted that NEODyS has reposted 2010 TU149 as an impact risk - see above Grabbed MPEC 2010-U41 - Daily Orbit Update - see above
0642	Grabbed MPEC 2010-U40 - 2006 TH7 - see above
0348	Noted that JPL Sentry has updated its 2008 VL risk assessment - see above

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