2008-02-13 Tracking News

Contents on 13 February '08

IAU Minor Planet Center
- NEOCP Activity -- 21 listings: 5 new, 16 updated
- New MPECs -- fourteen MPECs
- Observers -- 44 observing facilities
Impact Risk Monitoring -- seven objects
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 13 February '08

The MPC's NEO Confirmation Page has 21 listings: 5 new, 16 updated

When last checked at 2356 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had five new and sixteen updated listings. Of these, fourteen were "one nighters." So far The Tracking News has counted a total of 35 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 13 February '08

Minor Planet Electronic Circulars

As of last check at 2357 UTC, there have been fourteen MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2008-C78 time-stamped "07:09 UT" - Daily Orbit Update - see below
MPEC 2008-C79 time-stamped "15:43 UT" - 2008 CG116 - see below
MPEC 2008-C80 time-stamped "15:51 UT" - 2008 CH116 - see below
MPEC 2008-C81 time-stamped "15:53 UT" - 2008 CJ116 - see below
MPEC 2008-C82 time-stamped "15:57 UT" - 2008 CK116 - see below
MPEC 2008-C83 time-stamped "15:59 UT" - 2008 CL116 - see below
MPEC 2008-C84 time-stamped "16:04 UT" - 2008 CM116 - see below
MPEC 2008-C85 time-stamped "16:08 UT" - 2008 CN116 - see below
MPEC 2008-C86 time-stamped "16:11 UT" - 2008 CO116 - see below
MPEC 2008-C87 time-stamped "16:13 UT" - 2008 CP116 - see below
MPEC 2008-C88 time-stamped "16:17 UT" - 2008 CQ116 - see below
MPEC 2008-C89 time-stamped "16:19 UT" - 2008 CR116 - see below
MPEC 2008-C90 time-stamped "16:22 UT" - 2008 CS116 - see below
MPEC 2008-C91 time-stamped "16:43 UT" - 2008 BN18

MPEC 2008-C91 - "16:43 UT" - 2008 BN18

K08B18N 2008 BN18 (Centaur, q=2.603 AU, Q=39.953 AU, H=13.8 ~5.89 km) from the Catalina Sky Survey (CSS) (Feb. 9.09-10p4), the Mt. Lemmon Survey (MLS) (Feb. 10.11-13p4 & 13.09-10p4), Great Shefford Obs. (Feb. 11.81-82p2 & 12.80-81p2), and the Spacewatch 1.8m telescope (Feb. 12.09-10p3 & 13.09-11p6)

MPEC 2008-C90 - "16:22 UT" - 2008 CS116

K08CB6S 2008 CS116 (Q=4.559 AU, H=20.8 ~234m) was discovered at 1023 UT on 11 Feb. by the CSS, which observed it at Feb. 11.43-49p8 and 11.53p2. The discovery was confirmed by Crni Vrh Obs. (Nov. 12.95-96p4), MLS (Nov. 15.18-19p4, Feb. 12.45-47p4 & 13.36-39p4), Saint-Barthelemy Obs. (Feb. 11.96-98p5), KLENOT (Feb. 12.03-04p5), Peter De Cat via Uccle Obs. (Feb. 12.21-22p8), Sabino Canyon Obs. (Feb. 12.34-35p3), Jim Young via Table Mtn. Obs. (Feb. 12.46-47p4), Mt. John Obs. (Feb. 12.69p3), Farra d'Isonzo Obs. (Feb. 13.00-02p3), Willow Bank Obs. (Feb. 13.04p2), Kinver Obs. (Feb. 13.05-07p5), and Schiaparelli Obs. (Feb. 13.15-16p3).

MPEC 2008-C89 - "16:19 UT" - 2008 CR116

K08CB6R 2008 CR116 (H=20.4 ~282m) was discovered at 0811 UT on 11 Feb. by the CSS, which observed it at Feb. 11.34-36p4. The discovery was confirmed by Saint-Barthelemy Obs. (Feb. 11.84-86p5 & 12.97-98p3), Gnosca Obs. (Feb. 11.92-94p3), Kinver Obs. (Feb. 11.93-94p6), Bergen-Enkheim Obs. (Feb. 11.95-97p9), KLENOT (Feb. 11.96p5), Farra d'Isonzo Obs. (Feb. 11.98-99p2 & 12.95-96p3), Klet Obs. (Feb. 12.01p5 & 13.08-09p6), De Cat/Uccle (Feb. 12.18-20p10), Schiaparelli Obs. (Feb. 12.21-22p3), Sabino Canyon Obs. (Feb. 12.33p3), Young/Table Mtn. (Feb. 12.44-45p4), San Marcello Pistoiese Obs. (Feb. 12.82-83p4), CAST Obs. (Feb. 12.84p2), Willow Bank Obs. (Feb. 12.94p3), and New Millennium Obs. (Feb. 12.95-96p5).

MPEC 2008-C88 - "16:17 UT" - 2008 CQ116

K08CB6Q 2008 CQ116 (small asteroid, H=23.9 ~56m) was discovered at 0802 UT on 11 Feb. by LINEAR, which observed it at Feb. 11.33-38p5 and 12.23-28p15. The discovery was confirmed by Great Shefford Obs. (Feb. 12.98-99p2 & 13.07p3), Schiaparelli Obs. (Feb. 13.13-14p3), Sabino Canyon Obs. (Feb. 13.29p3), and Young/Table Mtn. (Feb. 13.32-33p4).

MPEC 2008-C87 - "16:13 UT" - 2008 CP116

K08CB6P 2008 CP116 (small asteroid, H=23.0 ~85m) was discovered at 0504 UT on 11 Feb. by LINEAR, which observed it at Feb. 11.21-26p5 and 12.35-40p5. The discovery was confirmed by MLS (Dec. 15.35-37p4, 31.14-16p4 & Feb. 13.21-22p4), Young/Table Mtn. (Feb. 12.32-34p4 & 13.29-31p4), Sabino Canyon Obs. (Feb. 12.36-37p3), Bisei Spaceguard Center (Bisei) (Feb. 12.45-46p5), San Marcello Pistoiese Obs. (Feb. 12.74p3), CAST Obs. (Feb. 12.82-83p2), Great Shefford Obs. (Feb. 12.84p3), New Millennium Obs. (Feb. 12.90-91p6), KLENOT (Feb. 12.90p7), Klet Obs. (Feb. 12.91p7), Willow Bank Obs. (Feb. 12.92p4), Farra d'Isonzo Obs. (Feb. 12.93-94p3), Kinver Obs. (Feb. 13.03p4), CEAMIG-REA (Feb. 13.12p3), and Schiaparelli Obs. (Feb. 13.14-15p3).

MPEC 2008-C86 - "16:11 UT" - 2008 CO116

K08CB6O 2008 CO116 (H=21.2 ~195m) was discovered at 0415 UT on 11 Feb. by the CSS, which observed it at Feb. 11.18-22p8 and 11.27p4. The discovery was confirmed by Young/Table Mtn. (Feb. 11.26-29p4 & 12.15-16p4), Modra Obs. (Feb. 11.75p4), Guidestar Obs. (Feb. 11.76-79p4), Eschenberg Obs. (Feb. 11.77p3), Gnosca Obs. (Feb. 11.79-80p2), Remanzacco Obs. (Feb. 11.80-81p2), Farra d'Isonzo Obs. (Feb. 11.82-85p2), Great Shefford Obs. (Feb. 11.83-84p3), Kinver Obs. (Feb. 11.84-85p7), KLENOT (Feb. 11.87p5 & 12.88p5), Sabino Canyon Obs. (Feb. 12.14-15p3), Willow Bank Obs. (Feb. 12.77-78p2), Schiaparelli Obs. (Feb. 12.89-90p3), New Millennium Obs. (Feb. 12.91-92p9), and MLS (Feb. 13.11-12p3).

MPEC 2008-C85 - "16:08 UT" - 2008 CN116

K08CB6N 2008 CN116 (small asteroid, Earth MOID=2.6 LD, H=26.6 ~16m) was discovered at 0345 UT on 11 Feb. by the MLS, which observed it at Feb. 11.16-20p8, 12.12p4, and 13.15p2. The discovery was confirmed by Young/Table Mtn. (Feb. 12.18-20p4), Great Shefford Obs. (Feb. 12.82-83p3 & 12.94p1), and Schiaparelli Obs. (Feb. 13.03-04p2). This object will be coming within ten lunar distances (LD) of Earth, reaching 5.8 LD on 15 Feb.

MPEC 2008-C84 - "16:04 UT" - 2008 CM116

K08CB6M 2008 CM116 (H=17.7 ~977m) was discovered at 1009 UT on 10 Feb. by the MLS, which observed it at Feb. 10.42-51p8, 11.33-35p4, and 13.27-29p4. The discovery was confirmed by Spacewatch 1.8m (Feb. 12.30p3 & 13.27-28p3) and KLENOT (Feb. 13.04p2).

MPEC 2008-C83 - "15:59 UT" - 2008 CL116

K08CB6L 2008 CL116 (risk-listed, Q=4.446 AU, Earth MOID=5.7 LD, H=20.4 ~282m) was discovered at 0945 UT on 10 Feb. by the CSS, which observed it at Feb. 10.41-49p8, 10.53-54p4, and 11.44-45p3. The discovery was confirmed by Saint-Barthelemy Obs. (Feb. 11.00-03p7), Young/Table Mtn. (Feb. 11.54-55p4), KLENOT (Feb. 12.04-05p3), MLS (Feb. 12.45-47p4 & 13.42-44p4), Great Shefford Obs. (Feb. 13.09-10p3), Spacewatch 1.8m (Feb. 13.40-41p3), and Magdalena Ridge Obs. (MRO) (Feb. 13.43-44p4).

MPEC 2008-C82 - "15:57 UT" - 2008 CK116

K08CB6K 2008 CK116 (small asteroid, Earth MOID=8.8 LD, H=23.4 ~71m) was discovered at 0522 UT on 10 Feb. by LINEAR, which observed it at Feb. 10.22-26p4. The discovery was confirmed by MLS (Feb. 12.23p4 & 13.15-17p4), Sabino Canyon Obs. (Feb. 12.29-31p3), and MRO (Feb. 13.22-25p3).

MPEC 2008-C81 - "15:53 UT" - 2008 CJ116

K08CB6J 2008 CJ116 (H=19.3 ~467m) was discovered at 0429 UT on 10 Feb. by the Spacewatch 0.9m telescope, which observed it at Feb. 10.19-22p3 and 11.18-21p3. The discovery was confirmed by Great Shefford Obs. (Feb. 11.08-10p3 & 13.02-03p2), Spacewatch 1.8m (Feb. 11.24-25p3, 11.42-43p3, 12.18-19p3 & 13.19-20p3), KLENOT (Feb. 13.02-03p5), and MLS (Feb. 13.27-29p4).

MPEC 2008-C80 - "15:51 UT" - 2008 CH116

K08CB6H 2008 CH116 (q=0.271 AU, H=19.1 ~513m) was discovered at 1215 UT on 9 Feb. by the MLS, which observed it at Feb. 9.51-52p4 and 13.47-49p4. The discovery was confirmed by Great Shefford Obs. (Feb. 10.20-23p3, 11.22-24p3 & 13.15-17p2), Spacewatch 1.8m (Feb. 12.51-52p3 & 13.47p3), and MRO (Feb. 13.48-49p4).

MPEC 2008-C79 - "15:43 UT" - 2008 CG116

K08CB6G 2008 CG116 (small asteroid, H=24.2 ~49m) was discovered at 0621 UT on 9 Feb. by LINEAR, which observed it at Feb. 8.28-32p4, 9.26-32p10, 10.27-32p10, and 11.27-32p5. The discovery was confirmed by Great Shefford Obs. (Feb. 10.02-03p3), Grasslands Obs. (Feb. 10.23p3), Young/Table Mtn. (Feb. 10.33-35p4 & 11.31-33p4), the Siding Spring Survey (SSS) (Feb. 10.63-64p2), Drebach Obs. (Feb. 10.98p5), KLENOT (Feb. 10.99p2), and Mt. John Obs. (Feb. 12.44p3 & 12.54p7).

<< DOU on 13 Feb. '08 >> MPEC 2008-C78 - "07:09 UT" - Daily Orbit Update

Observations of risk-listed objects
K08C74M 2008 CM74 (small asteroid, arc=5 days, H=28.1 ~8m) from Great Shefford Obs. (Feb. 13.13-14p2)
K08C71C 2008 CC71 (small asteroid, arc=3 days, H=24.7 ~39m) from Spacewatch 1.8m (Feb. 12.28-29p3)
K08C70K 2008 CK70 (small asteroid, arc=3 days, H=25.3 ~29m) from Klet Obs. (Feb. 12.00-01p4), Spacewatch 1.8m (Feb. 12.26-27p3), and MLS (Feb. 12.32-35p4)
K08C06B 2008 CB6 (small asteroid, arc=5 days, H=26.9 ~14m) from KLENOT (Feb. 12.98p3)
K08B16O 2008 BO16 (small asteroid, Q=4.460 AU, arc=14 days, H=22.8 ~93m) from Spacewatch 1.8m (Feb. 13.17-18p3)
K08A04F 2008 AF4 (arc=34 days, H=19.7 ~389m) from Saint-Barthelemy Obs. (Feb. 11.85-88p3) and Klet Obs. (Feb. 12.93p7)
Observations of recently (no longer) risk-listed objects
K08C22E 2008 CE22 (small asteroid, arc=3 days, H=26.4 ~18m) from Hibiscus Obs. (Feb. 11.47-50p3)
K08C22D 2008 CD22 (almost small, arc=4 days, H=21.9 ~141m) from Lumezzane Obs. (Feb. 10.89p4), Hack Obs. (Feb. 11.89-90p3), Klet Obs. (Feb. 12.89-90p8), and KLENOT (Feb. 12.92-93p5)
K08C21Z 2008 CZ21 (arc=4 days, H=20.3 ~295m) from MLS (Feb. 12.29-32p4)
K08C06E 2008 CE6 (small asteroid, arc=5 days, H=23.5 ~68m) from Mt. John Obs. (Feb. 12.62-63p3)
K08B18T 2008 BT18 (arc=11 days, H=18.5 ~676m) from Cima Rest Obs. (Feb. 6.92-93p2)
K08B15D 2008 BD15 (arc=14 days, H=20.6 ~257m) from Klet Obs. (Feb. 12.94-95p7)
K08A33K 2008 AK33 (arc=29 days, H=20.6 ~257m) from Spacewatch 1.8m (Feb. 13.14-16p3 at V=22.3)
Observations of small asteroids (H>22.0)
K08C00P 2008 CP (arc=10 days, H=24.1 ~51m) from Hibiscus Obs. (Feb. 11.37-39p2)
K08C00O 2008 CO (arc=11 days, H=22.8 ~93m) from KLENOT (Feb. 12.95-96p5)
K08C00G 2008 CG (arc=11 days, H=22.2 ~123m) from MLS (Feb. 12.29-32p4)
Observations of other objects
K08C01N 2008 CN1 (arc=11 days, H=20.7 ~245m) from Lumezzane Obs. (Feb. 11.05p4), Hibiscus Obs. (Feb. 11.51-53p3), and Klet Obs. (Feb. 12.03p7 & 12.98p5)
K08C01L 2008 CL1 (arc=10 days, H=19.1 ~513m) from Klet Obs. (Feb. 12.08p7) and CSS (Feb. 12.39-40p3)
K08C00H 2008 CH (arc=11 days, H=20.4 ~282m) from LINEAR (Feb. 12.41-46p5)
K08B02S 2008 BS2 (arc=22 days, H=18.2 ~776m) from Spacewatch 0.9m (Feb. 9.12-16p3)
K07Y01X 2007 YX1 (Q=4.542 AU, arc=2 opp, H=17.3 ~1.17 km) from Lumezzane Obs. (Feb. 10.79-80p2)
K07T24U 2007 TU24 (arc=123 days, H=20.6 ~257m) from Ondrejov Obs. (Feb. 8.89-93p2, 8.98-14p7, 9.89p1, 9.93-96p2, 10.02-10p3, 10.14-21p3 & 10.86-17p16)
K07T08G 2007 TG8 (Q=4.306 AU, arc=153 days, H=18.6 ~645m) from Verona Obs. (Feb. 12.96p4)
K07N04S 2007 NS4 (arc=2 opp, H=19.0 ~537m) from LINEAR (Feb. 12.41-46p4)
K06W02Y 2006 WY2 (arc=2 opp, H=18.5 ~676m) from MLS (Feb. 12.13-15p4)
K06H05X 2006 HX5 (arc=2 opp, H=19.4 ~446m) from Bergen-Enkheim Obs. (Feb. 12.05-12p3)
K06B07T 2006 BT7 (arc=3 opp, H=18.4 ~708m) from MLS (Feb. 12.24-27p4)
K05T45U 2005 TU45 (arc=3 opp, H=17.0 ~1.35 km) from Hack Obs. (Feb. 11.86-87p5)
K05O03E 2005 OE3 (arc=2 opp, H=20.3 ~295m) from Spacewatch 0.9m (Feb. 12.17-21p3)
K05E70K 2005 EK70 (arc=4 opp, H=17.5 ~1.07 km) from Verona Obs. (Feb. 12.88-90p5)
K05B02E 2005 BE2 (arc=2 opp, H=18.2 ~776m) from Naef Obs. (Feb. 12.96-00p3)
K03Y94Q 2003 YQ94 (Q=4.292 AU, arc=2 opp, H=17.7 ~977m) from MLS (Feb. 12.10-11p4)
K03G00W 2003 GW (i=49.4°, arc=3 opp, H=16.7 ~1.55 km) from SSS (Feb. 12.69-73p4)
K03A73J 2003 AJ73 (arc=3 opp, H=18.6 ~645m) from MLS (Feb. 12.51-53p4)
J99S05O 1999 SO5 (arc=2 opp, H=20.8 ~234m) from Tiki Obs. (Feb. 11.37-43p3)
J99E05D 1999 ED5 (arc=3 opp, H=19.6 ~407m) from MLS (Feb. 12.29-32p4 at V=22.2-23.1)
J98B10B 1998 BB10 (arc=5 opp, H=20.3 ~295m) from MLS (Feb. 12.19-22p3)
H2722 172722 2004 BV102 from LINEAR (Feb. 12.29-34p5)
H0891 170891 2004 TY16 from Abbeydale Obs. (Feb. 12.82-84p3)
G3249 163249 2002 GT from MLS (Feb. 12.32-35p4)
G2038 162038 1996 DH from Lumezzane Obs. (Feb. 10.93-94p4)
F9459 159459 2000 KB from SSS (Feb. 12.67-68p4)
F3591 153591 2001 SN263 from Terres Blanches Obs. (Feb. 12.98-99p3)
E4411 144411 2004 EW9 from MLS (Feb. 12.19-22p4)
E1495 141495 2002 EZ11 from Spacewatch 1.8m (Feb. 12.39-41p3)
E1053 141053 2001 XT1 from Spacewatch 0.9m (Feb. 8.29-31p2)
D8205 138205 2000 EZ148 from LINEAR (Feb. 12.37-41p4)
D8175 138175 2000 EE104 from Lumezzane Obs. (Feb. 10.99-00p4)
D6793 136793 1997 AQ18 from LINEAR (Feb. 11.16-18p3)
A1869 101869 1999 MM from MLS (Feb. 12.17-19p4)
89830 89830 2002 CE from Lumezzane Obs. (Feb. 11.02-03p4)
86819 86819 2000 GK137 from Spacewatch 0.9m (Feb. 8.39-43p3)
68063 68063 2000 YJ66 from Spacewatch 0.9m (Feb. 8.14-16p3)
34613 34613 2000 UR13 from LINEAR (Feb. 12.17-22p5)
22099 22099 2000 EX106 from Lumezzane Obs. (Feb. 10.97-98p4)
21088 21088 1992 BL2 from SSS (Feb. 12.67-68p4)
11398 11398 1998 YP11 from Lumezzane Obs. (Feb. 11.01p4)
05131 5131 1990 BG from Capannoli Obs. (Feb. 12.95p3)
04503 4503 Cleobulus (1989 WM) from LINEAR (Feb. 11.45-50p5)
03691 3691 Bede (1982 FT) from LINEAR (Feb. 12.41-46p5)
03552 3552 Don Quixote (1983 SA) from LINEAR (Feb. 12.35-40p5)

Observers on 13 February '08

A total of 44 observing facilities appear in today's MPECs.

Code	Observer / observatory
`J94`	Abbeydale Obs., 1 in MPEC 2008-C78 -- 170891
`A74`	Bergen-Enkheim Obs. in Germany, 2 in MPECs 2008-C78 & 2008-C89 -- 2008 CR116, 2006 HX5
`300`	Bisei Spaceguard Center in Japan, 1 in MPEC 2008-C87 -- 2008 CP116
`235`	CAST Obs. in Italy, 2 in MPECs 2008-C87 & 2008-C89 -- 2008 CR116, 2008 CP116
`I77`	CEAMIG-REA in Brazil, 1 in MPEC 2008-C87 -- 2008 CP116
`B09`	Capannoli Obs. in Italy, 1 in MPEC 2008-C78 -- 5131
`703`	Catalina Sky Survey (CSS) in Arizona, 6 in MPECs 2008-C78, 2008-C83, 2008-C86, 2008-C89, 2008-C90 & 2008-C91 -- 2008 CS116, 2008 CR116, 2008 CO116, 2008 CL116, 2008 CL1, 2008 BN18
`B11`	Cima Rest Obs. in Italy, 1 in MPEC 2008-C78 -- 2008 BT18
`106`	Crni Vrh Obs. in Slovenia, 1 in MPEC 2008-C90 -- 2008 CS116
`113`	Drebach Obs. in Germany, 1 in MPEC 2008-C79 -- 2008 CG116
`151`	Eschenberg Obs. in Switzerland, 1 in MPEC 2008-C86 -- 2008 CO116
`595`	Farra d'Isonzo Obs. in Italy, 4 in MPECs 2008-C86, 2008-C87, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CP116, 2008 CO116
`143`	Gnosca Obs. in Switzerland, 2 in MPECs 2008-C86 & 2008-C89 -- 2008 CR116, 2008 CO116
`651`	Grasslands Obs. in Arizona, 1 in MPEC 2008-C79 -- 2008 CG116
`J95`	Great Shefford Obs. in England, 10 in MPECs 2008-C78, 2008-C79, 2008-C80, 2008-C81, 2008-C83, 2008-C85, 2008-C86, 2008-C87, 2008-C88 & 2008-C91 -- 2008 CQ116, 2008 CP116, 2008 CO116, 2008 CN116, 2008 CM74, 2008 CL116, 2008 CJ116, 2008 CH116, 2008 CG116, 2008 BN18
`A17`	Guidestar Obs. in Germany, 1 in MPEC 2008-C86 -- 2008 CO116
`A57`	Hack Obs. in Italy, 2 in MPEC 2008-C78 -- 2008 CD22, 2005 TU45
`F84`	Hibiscus Obs. in Tahiti, 3 in MPEC 2008-C78 -- 2008 CP, 2008 CN1, 2008 CE22
`246`	KLENOT in the Czech Republic, 11 in MPECs 2008-C78, 2008-C79, 2008-C81, 2008-C83, 2008-C84, 2008-C86, 2008-C87, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CP116, 2008 CO116, 2008 CO, 2008 CM116, 2008 CL116, 2008 CJ116, 2008 CG116, 2008 CD22, 2008 CB6
`J66`	Kinver Obs. in England, 4 in MPECs 2008-C86, 2008-C87, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CP116, 2008 CO116
`046`	Klet Obs. in the Czech Republic, 8 in MPECs 2008-C78, 2008-C87 & 2008-C89 -- 2008 CR116, 2008 CP116, 2008 CN1, 2008 CL1, 2008 CK70, 2008 CD22, 2008 BD15, 2008 AF4
`704`	LINEAR in New Mexico, 13 in MPECs 2008-C78, 2008-C79, 2008-C82, 2008-C87 & 2008-C88 -- 2008 CQ116, 2008 CP116, 2008 CK116, 2008 CH, 2008 CG116, 2007 NS4, 34613, 172722, 138205, 136793, 4503, 3691, 3552
`130`	Lumezzane Obs. in Italy, 8 in MPEC 2008-C78 -- 2008 CN1, 2008 CD22, 2007 YX1, 89830, 22099, 162038, 138175, 11398
`H01`	Magdalena Ridge Obs. (MRO) in New Mexico, 3 in MPECs 2008-C80, 2008-C82 & 2008-C83 -- 2008 CL116, 2008 CK116, 2008 CH116
`118`	Modra Obs. in Slovakia, 1 in MPEC 2008-C86 -- 2008 CO116
`474`	Mt. John Obs. in New Zealand, 3 in MPECs 2008-C78, 2008-C79 & 2008-C90 -- 2008 CS116, 2008 CG116, 2008 CE6
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 22 in MPECs 2008-C78, 2008-C80, 2008-C81, 2008-C82, 2008-C83, 2008-C84, 2008-C85, 2008-C86, 2008-C87, 2008-C90 & 2008-C91 -- 2008 CZ21, 2008 CS116, 2008 CP116, 2008 CO116, 2008 CN116, 2008 CM116, 2008 CL116, 2008 CK70, 2008 CK116, 2008 CJ116, 2008 CH116, 2008 CG, 2008 BN18, 2006 WY2, 2006 BT7, 2003 YQ94, 2003 AJ73, 1999 ED5, 1998 BB10, 163249, 144411, 101869
`A13`	Naef Obs. in Switzerland, 1 in MPEC 2008-C78 -- 2005 BE2
`A24`	New Millennium Obs. in Italy, 3 in MPECs 2008-C86, 2008-C87 & 2008-C89 -- 2008 CR116, 2008 CP116, 2008 CO116
`557`	Ondrejov Obs. in the Czech Republic, 1 in MPEC 2008-C78 -- 2007 TU24
`473`	Remanzacco Obs. in Italy, 1 in MPEC 2008-C86 -- 2008 CO116
`854`	Sabino Canyon Obs. in Arizona, 6 in MPECs 2008-C82, 2008-C86, 2008-C87, 2008-C88, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CQ116, 2008 CP116, 2008 CO116, 2008 CK116
`B04`	Saint-Barthelemy Obs. in Italy, 4 in MPECs 2008-C78, 2008-C83, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CL116, 2008 AF4
`104`	San Marcello Pistoiese Obs. in Italy, 2 in MPECs 2008-C87 & 2008-C89 -- 2008 CR116, 2008 CP116
`204`	Schiaparelli Obs. in Italy, 6 in MPECs 2008-C85, 2008-C86, 2008-C87, 2008-C88, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CQ116, 2008 CP116, 2008 CO116, 2008 CN116
`E12`	Siding Spring Survey (SSS) in New South Wales, 4 in MPECs 2008-C78 & 2008-C79 -- 2008 CG116, 2003 GW, 21088, 159459
`691`	Spacewatch 0.9m telescope in Arizona, 6 in MPECs 2008-C78 & 2008-C81 -- 2008 CJ116, 2008 BS2, 2005 OE3, 86819, 68063, 141053
`291`	Spacewatch 1.8m telescope in Arizona, 10 in MPECs 2008-C78, 2008-C80, 2008-C81, 2008-C83, 2008-C84 & 2008-C91 -- 2008 CM116, 2008 CL116, 2008 CK70, 2008 CJ116, 2008 CH116, 2008 CC71, 2008 BO16, 2008 BN18, 2008 AK33, 141495
`6735`	Jim Young via Table Mtn. Obs. in southern California, 8 in MPECs 2008-C79, 2008-C83, 2008-C85, 2008-C86, 2008-C87, 2008-C88, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CQ116, 2008 CP116, 2008 CO116, 2008 CN116, 2008 CL116, 2008 CG116
`B26`	Terres Blanches Obs. in France, 1 in MPEC 2008-C78 -- 153591
`F85`	Tiki Obs. in Tahiti, 1 in MPEC 2008-C78 -- 1999 SO5
`0125`	Peter De Cat via Uccle Obs. in Belgium, 2 in MPECs 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116
`A48`	Verona Obs. in Italy, 2 in MPEC 2008-C78 -- 2007 TG8, 2005 EK70
`J71`	Willow Bank Obs. in England, 4 in MPECs 2008-C86, 2008-C87, 2008-C89 & 2008-C90 -- 2008 CS116, 2008 CR116, 2008 CP116, 2008 CO116

Impact Risk Monitoring on 13 February '08

**Summary Risk Table for Risk Assessments Updated Today** (last checks: NEODyS and JPL at 2356 UTC)
See the CRT page for a list of all objects rated recently as risks and our ephemerides page for a list of 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 CL116	JPL Sentry	1859	2026-2107	54	6.3e-07	-3.54	-4.10	0	JPL: "Analysis based on 47 observations spanning 3.0355 days (2008-Feb-10.40671 to 2008-Feb-13.44219)." Diameter approximately 0.290 km. from mean, weighted H=20.3.

2008 CM74	NEODyS	1556	2082	1	3.19e-08	-9.35	-9.35	0	NEODyS: "Based on 16 optical observations (of which 0 are rejected as outliers) from 2008/02/08.369 to 2008/02/13.137."
2008 CM74	JPL Sentry	1555	2098-2105	2	3.7e-07	-8.40	-8.59	0	JPL: "Analysis based on 16 observations spanning 4.7688 days (2008-Feb-08.36778 to 2008-Feb-13.13659)." Diameter approximately 0.008 km. from mean, weighted H=28.1.

2008 CC71	NEODyS	1556	2033-2085	62	1.04e-04	-3.94	-4.26	0	NEODyS: "Based on 18 optical observations (of which 0 are rejected as outliers) from 2008/02/09.397 to 2008/02/12.289."
2008 CC71	JPL Sentry	1555	2033-2082	47	1.1e-04	-3.93	-4.22	0	JPL: "Analysis based on 18 observations spanning 2.8922 days (2008-Feb-09.39625 to 2008-Feb-12.28842)." Diameter approximately 0.038 km. from mean, weighted H=24.7.

2008 CK70	NEODyS	1556	2030-2032	2	2.74e-04	-3.17	-3.17	0	NEODyS: "Based on 59 optical observations (of which 0 are rejected as outliers) from 2008/02/09.342 to 2008/02/12.351."
2008 CK70	JPL Sentry	1555	2030	1	2.8e-04	-3.16	-3.16	0	JPL: "Analysis based on 59 observations spanning 3.0087 days (2008-Feb-09.34106 to 2008-Feb-12.34977)." Diameter approximately 0.032 km. from mean, weighted H=25.1.

2008 CB6	NEODyS	1556	2087	2	4.64e-08	-8.64	-8.91	0	NEODyS: "Based on 32 optical observations (of which 0 are rejected as outliers) from 2008/02/07.293 to 2008/02/12.980."
2008 CB6	JPL Sentry	1555	2093-2107	5	1.3e-05	-6.29	-6.42	0	JPL: "Analysis based on 32 observations spanning 5.6872 days (2008-Feb-07.29202 to 2008-Feb-12.97924)." Diameter approximately 0.013 km. from mean, weighted H=27.0.

2008 BO16	NEODyS	1556	2045	1	5.04e-07	-4.76	-4.76	0	NEODyS: "Based on 58 optical observations (of which 3 are rejected as outliers) from 2008/01/30.382 to 2008/02/13.183."
2008 BO16	JPL Sentry	1555	2045	1	3.0e-07	-4.99	-4.99	0	JPL: "Analysis based on 57 observations spanning 13.801 days (2008-Jan-30.38083 to 2008-Feb-13.18203)." Diameter approximately 0.090 km. from mean, weighted H=22.9.

2008 AF4	NEODyS	1556	2078-2090	12	1.31e-05	-2.56	-2.63	0	NEODyS: "Based on 490 optical observations (of which 4 are rejected as outliers) from 2008/01/10.397 to 2008/02/12.931."
2008 AF4	JPL Sentry	1555	2078-2101	26	2.1e-05	-2.36	-2.62	0	JPL: "Analysis based on 486 observations spanning 33.534 days (2008-Jan-10.39652 to 2008-Feb-12.93045)." Diameter approximately 0.390 km. from mean, weighted H=19.7.

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 13 February '08

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

1859	Noted that JPL Sentry has posted 2008 CL116 as an impact risk - see above
1741	Grabbed MPEC 2008-C91 - 2008 BN18 - see above
1643	Grabbed MPEC 2008-C82 - 2008 CK116 - see above Grabbed MPEC 2008-C83 - 2008 CL116 - see above Grabbed MPEC 2008-C84 - 2008 CM116 - see above Grabbed MPEC 2008-C85 - 2008 CN116 - see above Grabbed MPEC 2008-C86 - 2008 CO116 - see above Grabbed MPEC 2008-C87 - 2008 CP116 - see above Grabbed MPEC 2008-C88 - 2008 CQ116 - see above Grabbed MPEC 2008-C89 - 2008 CR116 - see above Grabbed MPEC 2008-C90 - 2008 CS116 - see above
1556	Noted that NEODyS has updated its 2008 AF4 risk assessment - see above Noted that NEODyS has updated its 2008 BO16 risk assessment - see above Noted that NEODyS has updated its 2008 CC71 risk assessment - see above Noted that NEODyS has updated its 2008 CK70 risk assessment - see above Noted that NEODyS has updated its 2008 CM74 risk assessment - see above
1555	Noted that JPL Sentry has updated its 2008 AF4 risk assessment - see above Noted that JPL Sentry has updated its 2008 BO16 risk assessment - see above Noted that JPL Sentry has updated its 2008 CB6 risk assessment - see above Noted that NEODyS has reposted 2008 CB6 as an impact risk - see above Noted that JPL Sentry has updated its 2008 CC71 risk assessment - see above Noted that JPL Sentry has updated its 2008 CK70 risk assessment - see above Noted that JPL Sentry has updated its 2008 CM74 risk assessment - see above Grabbed MPEC 2008-C78 - Daily Orbit Update - see above Grabbed MPEC 2008-C79 - 2008 CG116 - see above Grabbed MPEC 2008-C80 - 2008 CH116 - see above Grabbed MPEC 2008-C81 - 2008 CJ116 - see above

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