2009-01-19 Tracking News

Contents on 19 January '09

IAU Minor Planet Center
- NEOCP Activity -- 23 listings: 7 new, 16 updated
- New MPECs -- one MPEC
Observers -- nineteen observing facilities
Impact Risk Monitoring -- three 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 19 January '09

The MPC's NEO Confirmation Page has 23 listings: 7 new, 16 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had seven new and sixteen updated listings. Of these, eight were "one nighters." So far The Tracking News has counted a total of 24 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 19 January '09

Minor Planet Electronic Circulars

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

<< DOU on 19 Jan. '09 >> MPEC 2009-B19 - "07:05 UT" - Daily Orbit Update

Observations of risk-listed objects
K09B00E 2009 BE (small asteroid, arc=3 days, H=26.0 ~21m) from the Mt. Lemmon Survey (MLS) (Jan. 18.26-28p3), LINEAR (Jan. 18.33-38p4), Desert Moon Obs. (Jan. 18.40-42p3), and Great Shefford Obs. (Jan. 18.95-96p3)
K09B00D 2009 BD (small asteroid, arc=3 days, H=28.8 ~6m) from Tzec Maun Obs. Mayhill (Jan. 18.31-33p8), Desert Moon Obs. (Jan. 18.34-36p3), and Great Shefford Obs. (Jan. 18.77p1 & 18.82-84p3)
K09A00L 2009 AL (almost small, Q=4.088 AU, arc=17 days, H=21.8 ~148m) from the Spacewatch 1.8m telescope (Jan. 18.13-14p3)
Observations of recently (no longer) risk-listed objects
K09A15M 2009 AM15 (arc=12 days, H=18.7 ~616m) from the Siding Spring Survey (SSS) (Jan. 18.52p2)
K08Y29E 2008 YE29 (Q=4.540 AU, arc=19 days, H=20.3 ~295m) from Petit Jean Mtn. South Obs. (PJMSO) (Jan. 18.07-08p6)
K08Y29A 2008 YA29 (small asteroid, arc=19 days, H=24.9 ~35m) from Spacewatch 1.8m (Jan. 18.39-40p3)
Observations of small asteroids (H>22.0)
K09B00G 2009 BG (arc=2 days, H=25.5 ~27m) from LINEAR (Jan. 18.33-38p9)
Observations of other objects
K09B00B 2009 BB (q=0.366 AU, Q=4.556 AU, arc=3 days, H=18.1 ~812m) from LINEAR (Jan. 18.10-13p3) and Jim Young via Table Mtn. Obs. (Jan. 19.13-14p4)
K09A16C 2009 AC16 (arc=4 days, H=21.3 ~186m) from Young/Table Mtn. (Jan. 19.24-26p4)
K09A15L 2009 AL15 (arc=11 days, H=21.3 ~186m) from Spacewatch 1.8m (Jan. 18.41-43p3)
K09A15K 2009 AK15 (arc=12 days, H=19.4 ~446m) from SSS (Jan. 18.46-47p2)
K08Y30E 2008 YE30 (Q=4.097 AU, arc=27 days, H=21.2 ~195m) from the Catalina Sky Survey (CSS) (Jan. 18.37-40p3) and Spacewatch 1.8m (Jan. 18.37-38p3)
K08Y02R 2008 YR2 (arc=28 days, H=18.7 ~616m) from Desert Moon Obs. (Jan. 18.47-49p2)
K08Y00A 2008 YA (Q=4.840 AU, arc=33 days, H=17.9 ~891m) from Desert Moon Obs. (Jan. 18.10-14p3)
K08X02E 2008 XE2 (arc=45 days, H=19.3 ~467m) from Chabot Obs. (Jan. 18.39-40p3)
K08W32X 2008 WX32 (arc=77 days, H=19.0 ~537m) from Spacewatch 1.8m (Jan. 18.16-19p3)
K08W13Z 2008 WZ13 (arc=59 days, H=18.6 ~645m) from Spacewatch 1.8m (Jan. 18.15-18p3)
K08U00C 2008 UC (arc=91 days, H=18.9 ~562m) from LINEAR (Jan. 18.08-13p5)
K08TF7K 2008 TK157 (arc=117 days, H=20.6 ~257m) from Desert Moon Obs. (Jan. 18.21-25p3)
K08S82H 2008 SH82 (arc=114 days, H=21.4 ~178m) from LINEAR (Jan. 18.27-32p4)
K08S01Q 2008 SQ1 (Q=4.682 AU, arc=2 opp, H=18.5 ~676m) from New Millennium Obs. (Dec. 7.92-96p6) and PJMSO (Jan. 18.06-07p6)
K08S00E 2008 SE (arc=100 days, H=19.4 ~446m) from New Millennium Obs. (Dec. 7.94-98p3)
K08Q03T 2008 QT3 (arc=146 days, H=18.9 ~562m) from Schiaparelli Obs. (Jan. 10.80p3) and Castelmartini Obs. (Jan. 16.83-84p4)
K08M05B 2008 MB5 (arc=202 days, H=19.2 ~490m) from LINEAR (Jan. 18.39-45p5)
K08M00Z 2008 MZ (Q=4.207 AU, arc=199 days, H=18.6 ~645m) from New Millennium Obs. (Dec. 8.97-02p6)
K08E05V 2008 EV5 (arc=2 opp, H=20.0 ~339m) from Modra Obs. (Jan. 15.99-00p4) and PJMSO (Jan. 18.08-09p5)
K07B00G 2007 BG (arc=2 opp, H=19.6 ~407m) from Spacewatch 1.8m (Jan. 18.11p3)
K06V14B 2006 VB14 (arc=2 opp, H=18.5 ~676m) from New Millennium Obs. (Dec. 9.05p2)
K06SL7Z 2006 SZ217 (arc=3 opp, H=17.4 ~1.12 km) from New Millennium Obs. (Dec. 8.03p2 & 9.01p2)
K06A02S 2006 AS2 (arc=4 opp, H=20.3 ~295m) from Castelmartini Obs. (Jan. 16.92-93p3) and Purple Mtn. Obs. XuYi Station (XuYi Sta.) (Jan. 18.71-76p4)
K05W55S 2005 WS55 (arc=4 opp, H=16.0 ~2.14 km, q=1.108 AU) from LINEAR (Jan. 18.08-13p5)
K05S25N 2005 SN25 (arc=3 opp, H=19.7 ~389m) from Desert Moon Obs. (Jan. 18.29-32p3)
K05N01J 2005 NJ1 (arc=4 opp, H=18.6 ~645m) from MLS (Jan. 18.46-48p4)
K05B00C 2005 BC (arc=2 opp, H=18.0 ~851m) from Hamamatsu-Yuto Obs. (Jan. 12.65-67p3, 13.67-71p10, 14.68-70p7, 15.69-71p7, 16.65-69p13 & 17.65-68p11)
K03R08P 2003 RP8 (arc=3 opp, H=18.6 ~645m) from the Spacewatch 0.9m telescope (Jan. 18.17-21p3)
K03F00G 2003 FG (q=0.354 AU, arc=3 opp, H=19.7 ~389m) from MLS (Jan. 18.08-09p4)
K02V94Y 2002 VY94 (Q=5.375 AU, arc=2 opp, H=16.8 ~1.48 km) from New Millennium Obs. (Dec. 8.02p2 & 8.95-00p6) and Schiaparelli Obs. (Jan. 17.86p1 & 17.97p1)
K01L05M 2001 LM5 (arc=3 opp, H=19.3 ~467m) from New Millennium Obs. (Dec. 8.01p2 & 8.94-99p6) and LINEAR (Jan. 18.15-20p5)
K00Y29J 2000 YJ29 (i=43.6°, q=0.327 AU, arc=2 opp, H=17.9 ~891m) from Spacewatch 1.8m (Jan. 18.29p3)
K00DB0V 2000 DV110 (arc=6 opp, H=19.7 ~389m) from Spacewatch 0.9m (Jan. 18.23-27p3)
J4386 194386 2001 VG5 from Castelmartini Obs. (Jan. 16.81-82p5)
I7026 187026 2005 EK70 from LINEAR (Jan. 18.46-51p5)
G2900 162900 2001 HG31 from New Millennium Obs. (Dec. 7.94-99p6)
G2080 162080 1998 DG16 from Desert Moon Obs. (Jan. 18.52-54p2)
F4991 154991 2005 BX26 from MLS (Jan. 18.14-15p4)
F4715 154715 2004 LB6 from LINEAR (Jan. 18.27-32p5)
F3306 153306 2001 JL1 from New Millennium Obs. (Dec. 8.02p2 & 8.95-00p6)
E3643 143643 2003 NP7 from MLS (Jan. 18.29-30p3)
E1765 141765 2002 MP3 from New Millennium Obs. (Dec. 9.04p2)
E1052 141052 2001 XR1 from Castelmartini Obs. (Jan. 16.91-92p4)
D6923 136923 1998 JH2 from New Millennium Obs. (Dec. 8.98-02p6)
D6849 136849 1998 CS1 from Castelmartini Obs. (Jan. 16.97p4)
90075 90075 2002 VU94 from MLS (Jan. 18.14-16p4)
89355 89355 2001 VS78 from New Millennium Obs. (Dec. 9.03p2)
85774 85774 1998 UT18 from New Millennium Obs. (Dec. 9.04p1)
68350 68350 2001 MK3 from Hamamatsu-Yuto Obs. (Jan. 12.72-74p4) and LINEAR (Jan. 18.40-45p4)
55532 55532 2001 WG2 from LINEAR (Jan. 18.14-20p5)
53430 53430 1999 TY16 from New Millennium Obs. (Dec. 8.00-01p2 & 8.94-99p6)
52768 52768 1998 OR2 from Castelmartini Obs. (Jan. 16.98p3) and LINEAR (Jan. 18.39-45p5)
22753 22753 1998 WT from LINEAR (Jan. 18.38-43p5)
20460 20460 Robwhiteley (1999 LO28) from Schiaparelli Obs. (Jan. 17.98p2)
18109 18109 2000 NG11 from LINEAR (Jan. 18.34-39p5)
17511 17511 1992 QN from New Millennium Obs. (Dec. 9.04p2)
14402 14402 1991 DB from CSS (Jan. 18.44-46p4)
12923 12923 Zephyr (1999 GK4) from MLS (Jan. 18.35-36p4)
12711 12711 Tukmit (1991 BB) from New Millennium Obs. (Dec. 9.05p2)
10860 10860 1995 LE from MLS (Jan. 18.26-28p4 at V=21.4-22.2)
08567 8567 1996 HW1 from New Millennium Obs. (Dec. 7.93p2)
07358 7358 Oze (1995 YA3) from New Millennium Obs. (Dec. 9.03-04p2)
06050 6050 Miwablock (1992 AE) from LINEAR (Jan. 18.40-45p4)
04183 4183 Cuno (1959 LM) from LINEAR (Jan. 18.08-13p5)
04179 4179 Toutatis (1989 AC) from New Millennium Obs. (Dec. 9.06p2) and Panker Obs. (Dec. 29.89p2)
03360 3360 Syrinx (1981 VA) from LINEAR (Jan. 18.09-14p4) and MLS (Jan. 18.14-16p4)
03200 3200 Phaethon (1983 TB) from New Millennium Obs. (Dec. 7.92-93p2 & 7.97p2)
02368 2368 Beltrovata (1977 RA) from MLS (Jan. 18.24-26p4)
02061 2061 Anza (1960 UA) from Spacewatch 0.9m (Jan. 18.29-33p3) and LINEAR (Jan. 18.33-38p3)
01916 1916 Boreas (1953 RA) from New Millennium Obs. (Dec. 7.93-97p6)
01864 1864 Daedalus (1971 FA) from Hamamatsu-Yuto Obs. (Jan. 14.60-63p5 & 15.61-64p9)
01627 1627 Ivar (1929 SH) from New Millennium Obs. (Dec. 7.00p2 & 8.93-98p6) and Schiaparelli Obs. (Jan. 17.86p1 & 17.97p1)
01620 1620 Geographos (1951 RA) from New Millennium Obs. (Dec. 7.90p2) and Schiaparelli Obs. (Jan. 17.85p1 & 17.92p1)
01036 1036 Ganymed (1924 TD) from Hamamatsu-Yuto Obs. (Jan. 13.71-74p8 & 14.74-75p4)

Observers on 19 January '09

Nineteen observing facilities appear in today's MPEC.

Code	Observer / observatory
`160`	Castelmartini Obs. in Italy, 6 in MPEC 2009-B19 -- 2008 QT3, 2006 AS2, 52768, 194386, 141052, 136849
`703`	Catalina Sky Survey (CSS) in Arizona, 2 in MPEC 2009-B19 -- 2008 YE30, 14402
`G58`	Chabot Obs. in northern California, 1 in MPEC 2009-B19 -- 2008 XE2
`448`	Desert Moon Obs. in New Mexico, 7 in MPEC 2009-B19 -- 2009 BE, 2009 BD, 2008 YR2, 2008 YA, 2008 TK157, 2005 SN25, 162080
`J95`	Great Shefford Obs. in England, 2 in MPEC 2009-B19 -- 2009 BE, 2009 BD
`379`	Hamamatsu-Yuto Obs. in Japan, 4 in MPEC 2009-B19 -- 2005 BC, 68350, 1864, 1036
`704`	LINEAR in New Mexico, 19 in MPEC 2009-B19 -- 2009 BG, 2009 BE, 2009 BB, 2008 UC, 2008 SH82, 2008 MB5, 2005 WS55, 2001 LM5, 68350, 55532, 52768, 22753, 187026, 18109, 154715, 6050, 4183, 3360, 2061
`118`	Modra Obs. in Slovakia, 1 in MPEC 2009-B19 -- 2008 EV5
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 10 in MPEC 2009-B19 -- 2009 BE, 2005 NJ1, 2003 FG, 90075, 154991, 143643, 12923, 10860, 3360, 2368
`A24`	New Millennium Obs. in Italy, 23 in MPEC 2009-B19 -- 2008 SQ1, 2008 SE, 2008 MZ, 2006 VB14, 2006 SZ217, 2002 VY94, 2001 LM5, 89355, 85774, 53430, 17511, 162900, 153306, 141765, 136923, 12711, 8567, 7358, 4179, 3200, 1916, 1627, 1620
`A32`	Panker Obs. in Germany, 1 in MPEC 2009-B19 -- 4179
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 3 in MPEC 2009-B19 -- 2008 YE29, 2008 SQ1, 2008 EV5
`D29`	Purple Mtn. Obs. XuYi Station in China, 1 in MPEC 2009-B19 -- 2006 AS2
`204`	Schiaparelli Obs. in Italy, 5 in MPEC 2009-B19 -- 2008 QT3, 2002 VY94, 20460, 1627, 1620
`E12`	Siding Spring Survey (SSS) in New South Wales, 2 in MPEC 2009-B19 -- 2009 AM15, 2009 AK15
`691`	Spacewatch 0.9m telescope in Arizona, 3 in MPEC 2009-B19 -- 2003 RP8, 2000 DV110, 2061
`291`	Spacewatch 1.8m telescope in Arizona, 8 in MPEC 2009-B19 -- 2009 AL15, 2009 AL, 2008 YE30, 2008 YA29, 2008 WZ13, 2008 WX32, 2007 BG, 2000 YJ29
`6735`	Jim Young via Table Mtn. Obs. in southern California, 2 in MPEC 2009-B19 -- 2009 BB, 2009 AC16
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2009-B19 -- 2009 BD

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

Impact Risk Monitoring on 19 January '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.
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

2009 BE	JPL Sentry	1528	2058-2108	21	2.7e-04	-4.18	-4.43	0	JPL: "Analysis based on 45 observations spanning 2.5947 days (2009-Jan-16.36105 to 2009-Jan-18.95578)." Diameter approximately 0.022 km. from mean, weighted H=25.9.
2009 BE	NEODyS	1528	2045-2090	14	2.51e-04	-4.22	-4.45	0	NEODyS: "Based on 45 optical observations (of which 0 are rejected as outliers) from 2009/01/16.362 to 2009/01/18.957."

2009 BD	NEODyS	1728	2053-2090	67	6.61e-04	-5.21	-6.00	0	NEODyS: "Based on 71 optical observations (of which 1 are rejected as outliers) from 2009/01/16.277 to 2009/01/18.839."
2009 BD	JPL Sentry	1528	2023-2108	45	4.1e-04	-5.42	-6.00	0	JPL: "Analysis based on 70 observations spanning 2.5622 days (2009-Jan-16.27641 to 2009-Jan-18.83861)." Diameter approximately 0.006 km. from mean, weighted H=28.6.

2009 AL	JPL Sentry	1528	2090-2106	2	8.5e-08	-5.75	-5.88	0	JPL: "Analysis based on 44 observations spanning 16.838 days (2009-Jan-01.29931 to 2009-Jan-18.13725)." Diameter approximately 0.150 km. from mean, weighted H=21.8.
2009 AL	NEODyS	1528	2090	1	6.17e-08	-5.86	-5.86	0	NEODyS: "Based on 44 optical observations (of which 0 are rejected as outliers) from 2009/01/01.300 to 2009/01/18.138."

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 19 January '09

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

1728

Noted that NEODyS has updated its 2009 BD risk assessment - see above

1528

Noted that JPL Sentry has updated its 2009 AL risk assessment - see above
Noted that NEODyS has updated its 2009 AL risk assessment - see above
Noted that JPL Sentry has updated its 2009 BD risk assessment - see above
Noted that JPL Sentry has updated its 2009 BE risk assessment - see above
Noted that NEODyS has updated its 2009 BE risk assessment - see above
Grabbed MPEC 2009-B19 - Daily Orbit Update - see above

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