2009-03-01 Tracking News

Contents on 1 March '09

IAU Minor Planet Center
- NEOCP Activity -- eight listings: 1 new, 7 updated
- New MPECs -- nine MPECs
Observers -- 72 observing facilities
Impact Risk Monitoring -- six 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 1 March '09

The MPC's NEO Confirmation Page has 8 listings: 1 new, 7 updated

When last checked at 2330 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had one new and seven updated listings. Of these, four were "one nighters." So far The Tracking News has counted a total of thirteen listings on the NEOCP at some point today.

New MPECs on 1 March '09

Minor Planet Electronic Circulars

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

MPEC 2009-E01 time-stamped "07:08 UT" - Daily Orbit Update - see below
MPEC 2009-E02 time-stamped "15:00 UT" - 2009 DD45 - see below
MPEC 2009-E03 time-stamped "17:19 UT" - 2009 DD45 - see below
MPEC 2009-E04 time-stamped "22:50 UT" - Comet P/2008 Y1 (Boattini) - see below
MPEC 2009-E05 time-stamped "22:54 UT" - Comet C/2009 B2 (LINEAR) - see below
MPEC 2009-E06 time-stamped "23:12 UT" - Observations of Comets - see below
MPEC 2009-E07 time-stamped "23:22 UT" - 2009 DJ46 - see below
MPEC 2009-E08 time-stamped "23:28 UT" - 2009 DL46 - see below
MPEC 2009-E09 time-stamped "23:32 UT" - 2009 EA

MPEC 2009-E09 - "23:32 UT" - 2009 EA

K09E00A 2009 EA (small asteroid, Earth MOID=5.9 LD, H=26.3 ~19m) was discovered at 0725 UT on 1 March by the Catalina Sky Survey (CSS), which observed it at March 1.31-33p3 and 1.38-42p7. The discovery was confirmed by Sabino Canyon Obs. (March 1.37-39p4), Magdalena Ridge Obs. (MRO) (March 1.39-40p4), and Great Shefford Obs. (March 1.91p4). This object will be coming within ten lunar distances (LD) of Earth, reaching 7.5 LD on 4 March.

MPEC 2009-E08 - "23:28 UT" - 2009 DL46

K09D46L 2009 DL46 (H=21.3 ~186m) was discovered at 1004 UT on 28 Feb. by CSS, which observed it at Feb. 28.42-47p5 and 28.52p3. The discovery was confirmed by MRO (Feb. 28.50-51p4 & March 1.33-35p4), Sabino Canyon Obs. (March 1.34-36p3), and the Spacewatch 1.8m telescope (March 1.38-39p3).

MPEC 2009-E07 - "23:22 UT" - 2009 DJ46

K09D46J 2009 DJ46 (small asteroid, Earth MOID=8.3 LD, H=25.6 ~26m) was discovered at 0626 UT on 28 Feb. by LINEAR, which observed it at Feb. 28.27-30p4. The discovery was confirmed by Great Shefford Obs. (Feb. 28.95-96p3), Remanzacco Obs. (Feb. 28.99p1), Guidestar Obs. (March 1.02-03p3), CEAMIG-REA (March 1.16p3), MRO (March 1.21-22p5), Spacewatch 1.8m (March 1.24-25p3), Sandlot Obs. (March 1.26-27p3), and Sabino Canyon Obs. (March 1.29p3). This object was within ten lunar distances (LD) of Earth, reaching 10.0 LD on 28 Feb.

MPEC 2009-E06 - "23:12 UT" - Observations of Comets

PK08Y020 P/2008 Y2 (Gibbs) from Kitami Obs. (Feb. 22.58-59p3), La Dehesilla Obs. (Feb. 23.04-05p3), CSS (Feb. 25.31-33p4), Farm Cove Obs. (Feb. 25.41-42p3), Buchloe Obs. (Feb. 28.95p3), and Moriyama Obs. (March 1.67p2)
CK08X030 C/2008 X3 (LINEAR) from Moriyama Obs. (Feb. 21.64-65p2) and La Dehesilla Obs. (Feb. 23.07p1)
PK08W96Z P/2008 WZ96 (LINEAR) from Schiaparelli Obs. (Feb. 21.80-81p2) and Buchloe Obs. (Feb. 28.78-79p3)
PK08T040 P/2008 T4 (Hill) from LINEAR (Feb. 22.09-14p5) and CSS (Feb. 27.11-13p4)
CK08T020 C/2008 T2 (Cardinal) from Panker Obs. (Feb. 6.83-84p5 & 14.87p2), Aravaca Obs. (Feb. 23.81p3), La Vara Obs. (Feb. 23.85-86p3, 25.83-84p3 & 27.85-86p3), Monte Deva Obs. (Feb. 23.95-97p5 & 26.90-92p5), Siegen Obs. (Feb. 24.91-92p3), Rodeno Obs. (Feb. 26.80p3), CAST Obs. (Feb. 27.81p1), Santa Maria de Montmagastrell Obs. (Feb. 27.81-82p3), Mataro Obs. (Feb. 27.82-83p3), Buchloe Obs. (Feb. 28.81p3), Mauren Valley Obs. (Feb. 28.85p1), Moriyama Obs. (March 1.43-44p2), Yatsuka Obs. (March 1.52p3), and Maidbronn Obs. (March 1.84-85p5)
CK08S030 C/2008 S3 (Boattini) from Schiaparelli Obs. (Feb. 16.82p1 & 16.93p1) and Buchloe Obs. (Feb. 28.86p1)
CK08R030 C/2008 R3 (LINEAR) from La Vara Obs. (Feb. 23.82-83p3 & 27.82p2) and Buchloe Obs. (Feb. 28.82p3)
PK08Q20P P/2008 QP20 (LINEAR-Hill) from Ageo Obs. (Feb. 14.48-49p3) and LINEAR (Feb. 21.10-13p3)
CK08E010 C/2008 E1 (Catalina) from La Dehesilla Obs. (Feb. 22.91p1) and Buchloe Obs. (Feb. 28.85p3)
CK07U010 C/2007 U1 (LINEAR) from Ageo Obs. (Jan. 25.43-45p2 & Feb. 21.40p2) and Buchloe Obs. (Feb. 28.77p1)
CK07Q030 C/2007 Q3 (Siding Spring) from Santa Maria de M. Obs. (Feb. 27.78p3), Moriyama Obs. (March 1.42p2), and Yatsuka Obs. (March 1.49p3)
CK07N030 C/2007 N3 (Lulin) from Ageo Obs. (Feb. 14.76p3), Terskol Obs. (Feb. 14.93p8 & 14.98-99p7), El Condor Obs. (Feb. 19.12-14p2 & March 1.07-09p2), El Maestrat Obs. (Feb. 22.17p3), Nazaret Obs. (Feb. 22.96-04p5), Chante-Perdrix Obs. (Feb. 23.86p2, 24.89p2, 24.98-99p4, 26.85-87p2, 26.96p2 & 27.96-97p6), El Vendrell Obs. (Feb. 23.94-95p3), Suno Obs. (Feb. 23.95p2), Monte Deva Obs. (Feb. 23.99p5, 26.08p5 & 27.06-07p5), La Vara Obs. (Feb. 24.04p3, 25.98p3 & 27.97p3), Calarreona Obs. (Feb. 24.10p3), Ametlla del Valles Obs. (Feb. 24.13-16p3), Grove Creek Obs. (Feb. 24.74-76p2 & 25.67-69p6), Farm Cove Obs. (Feb. 25.44-45p3), Montcabre Obs. (Feb. 25.92-93p3, 26.90p3 & 28.01p3), Carmelita Obs. (Feb. 25.94-95p3), Linceo Obs. (Feb. 25.99-00p3), Desert Moon Obs. (Feb. 26.38-40p6), Rodeno Obs. (Feb. 26.92p3), Gualba Obs. (Feb. 27.84p2), CAST Obs. (Feb. 27.88p1), Mataro Obs. (Feb. 27.99-00p3), Masquefa Obs. (Feb. 28.01-02p3), Mauren Valley Obs. (Feb. 28.90p1), the SZTE Asteroid Program (SZTE) (Feb. 28.91-92p12), Buchloe Obs. (Feb. 28.96p5), Corner Obs. (Feb. 28.00-02p4), Yatsuka Obs. (March 1.53-54p3), and Moriyama Obs. (March 1.58-59p2)
CK07M020 C/2007 M2 (Catalina) from Auckland Obs. (Feb. 17.43-45p3), El Leoncito Obs. (Feb. 19.22-23p3 & 23.16-17p3), and Kambah Obs. (Feb. 26.47p2)
CK07D030 C/2007 D3 (LINEAR) from Schiaparelli Obs. (Feb. 21.93p1 & 22.08p1), Chante-Perdrix Obs. (Feb. 26.88-89p3 & 27.80-82p2), Ametlla del Valles Obs. (Feb. 26.93-96p3), CSS (Feb. 27.30-33p4), and Buchloe Obs. (Feb. 28.98p1)
CK06W030 C/2006 W3 (Christensen) from Maidbronn Obs. (Feb. 18.74-75p3), La Vara Obs. (Feb. 18.79-80p3), and Buchloe Obs. (Feb. 28.76p3)
CK06U060 C/2006 U6 (Spacewatch) from La Dehesilla Obs. (Feb. 23.13-14p3), El Leoncito Obs. (Feb. 23.25-26p3), Schiaparelli Obs. (Feb. 24.09p1 & 24.15p1), and Buchloe Obs. (March 1.06p3)
CK06Q010 C/2006 Q1 (McNaught) from La Dehesilla Obs. (Feb. 26.25p3), Masquefa Obs. (Feb. 28.13-14p3), and Buchloe Obs. (March 1.05p3)
CK06O02F C/2006 OF2 (Broughton) from Smolyan Obs. (Feb. 5.06-07p5 & 5.82-84p8), Panker Obs. (Feb. 12.89-91p5), Terskol Obs. (Feb. 14.76-87p31), Ageo Obs. (Feb. 15.52p2), Hamamatsu-Yuto Obs. (Feb. 17.55-56p3 & 21.40p4), La Dehesilla Obs. (Feb. 21.86-89p3), Vicksburg Obs. (Feb. 23.07-09p3), Aravaca Obs. (Feb. 23.79p2), La Vara Obs. (Feb. 23.86p3, 25.85p3 & 27.91-92p3), Cordell-Lorenz Obs. (Feb. 24.05-08p3), Monte Deva Obs. (Feb. 24.09-10p5, 26.00-01p5 & 27.01-04p5), Chante-Perdrix Obs. (Feb. 24.81p2), Siegen Obs. (Feb. 24.86p3), Montcabre Obs. (Feb. 25.82p3), Rodeno Obs. (Feb. 26.81-82p3), San Vito Obs. (Feb. 27.82-83p2), Gualba Obs. (Feb. 27.82-83p2), CAST Obs. (Feb. 27.83p1), Masquefa Obs. (Feb. 27.95-96p3), Buchloe Obs. (Feb. 28.90-91p3), Moriyama Obs. (March 1.45p2), and Yatsuka Obs. (March 1.51-52p3)
CK06K010 C/2006 K1 (McNaught) from Spacewatch 1.8m (Feb. 13.17-19p3) and Buchloe Obs. (Feb. 28.87p2)
CK05L030 C/2005 L3 (McNaught) from Smolyan Obs. (Feb. 6.08-09p2), Vitebsk Obs. (Feb. 23.06-07p3), Chante-Perdrix Obs. (Feb. 25.18p1, 26.16p1 & 27.17p2), La Dehesilla Obs. (Feb. 26.18-19p3), CAST Obs. (Feb. 27.94p1), Masquefa Obs. (Feb. 28.09-10p3), the Mt. Lemmon Survey (MLS) (Feb. 28.50-52p4), and Buchloe Obs. (March 1.09p3)
0212P 212P/NEAT from Schiaparelli Obs. (Feb. 24.05p1 & 24.19p1), CSS (Feb. 24.34-36p4), and Buchloe Obs. (Feb. 28.99p3)
0210P 210P/Christensen from Terskol Obs. (Feb. 15.06p6), La Dehesilla Obs. (Feb. 26.23-24p3), LINEAR (Feb. 27.38-43p5), Masquefa Obs. (Feb. 28.15-16p3), and Buchloe Obs. (March 1.03p3)
0209P 209P/LINEAR from La Dehesilla Obs. (Feb. 26.14-15p3) and Masquefa Obs. (Feb. 28.11-12p3)
0204P 204P/LINEAR-NEAT from Schiaparelli Obs. (Feb. 19.01p1 & 19.12p1), Chante-Perdrix Obs. (Feb. 24.85p1), and Buchloe Obs. (Feb. 28.93-94p3)
0203P 203P/Korlevic from Schiaparelli Obs. (Jan. 21.80p1, 21.84p1 & Feb. 16.78p1)
0183P 183P/Korlevic-Juric from LINEAR (Jan. 21.46-51p5 & Feb. 26.38-43p5)
0179P 179P/Jedicke from Schiaparelli Obs. (Feb. 17.07p1 & 21.89p1) and Spacewatch 1.8m (Feb. 19.27-30p3)
0166P 166P/NEAT from SZTE (2008 Dec. 31.11p1, Feb. 27.88-89p2 & 28.81-82p2)
0147P 147P/Kushida-Muramatsu from Schiaparelli Obs. (Jan. 30.95-96p2, Feb. 17.03p1, 21.90p1 & 22.03p1)
0144P 144P/Kushida from Smolyan Obs. (Feb. 6.83-84p5), Panker Obs. (Feb. 12.82-83p4 & 14.85p4), Terskol Obs. (Feb. 14.71-72p11, 14.76-80p16 & 14.85-86p6), Maidbronn Obs. (Feb. 14.89p4), Hamamatsu-Yuto Obs. (Feb. 17.58-59p3 & 21.44-46p4), La Dehesilla Obs. (Feb. 21.82-84p3), Vicksburg Obs. (Feb. 23.05-06p3), Aravaca Obs. (Feb. 23.82-83p3), La Vara Obs. (Feb. 23.88p3, 25.88p3 & 27.83p3), Monte Deva Obs. (Feb. 23.97-98p5 & 25.99-00p5), Chante-Perdrix Obs. (Feb. 24.77-78p3, 26.78p2 & 27.76-78p4), Siegen Obs. (Feb. 24.82p2), Rodeno Obs. (Feb. 26.83p3), Skylive Obs. (Feb. 26.86-88p4), San Vito Obs. (Feb. 27.78-82p3), Santa Maria de M. Obs. (Feb. 27.80-81p3), Mataro Obs. (Feb. 27.81-82p3), CAST Obs. (Feb. 27.82p1), Masquefa Obs. (Feb. 27.92p3), Mauren Valley Obs. (Feb. 28.87-90p2), Buchloe Obs. (Feb. 28.88p3), Moriyama Obs. (March 1.50p2), and Yatsuka Obs. (March 1.51p3)
0117P 117P/Helin-Roman-Alu 1 from Nazaret Obs. (Feb. 18.87-88p2) and Ageo Obs. (Feb. 21.54-55p2)
0116P 116P/Wild 4 from Terskol Obs. (Feb. 15.04p5), Hamamatsu-Yuto Obs. (Feb. 17.71-74p8), Schiaparelli Obs. (Feb. 19.01p1 & 19.12p1), La Dehesilla Obs. (Feb. 23.03p3), Santa Maria de M. Obs. (Feb. 23.92-93p3), El Guijo Obs. (Feb. 23.95-96p3), La Vara Obs. (Feb. 24.02-03p3, 25.97p3 & 27.93p3), Siegen Obs. (Feb. 24.96-97p2), Monte Deva Obs. (Feb. 25.11-12p5 & 26.04-05p5), Farm Cove Obs. (Feb. 25.39-40p3), Montcabre Obs. (Feb. 25.86-87p3), Linceo Obs. (Feb. 25.93-95p3), Rodeno Obs. (Feb. 26.89-90p3), Gualba Obs. (Feb. 27.83-84p2), CAST Obs. (Feb. 27.85p1), Mataro Obs. (Feb. 27.95-98p3), Masquefa Obs. (Feb. 27.99-01p3), Buchloe Obs. (Feb. 28.94-95p3), Yatsuka Obs. (March 1.53p3), and Moriyama Obs. (March 1.60-61p2)
0113P 113P/Spitaler from Ametlla del Valles Obs. (Feb. 26.00-02p3 & 27.96-02p3)
0093P 93P/Lovas 1 from the Spacewatch 0.9m telescope (Feb. 20.35-39p3 & 28.35-38p3)
0088P 88P/Howell from Tzec Maun Obs. Mayhill (Feb. 27.50p1) and Buchloe Obs. (March 1.04p3)
0081P 81P/Wild 2 from Spacewatch 1.8m (Feb. 20.12p3) and LINEAR (Feb. 23.10-14p5)
0077P 77P/Longmore from Lumezzane Obs. (Feb. 19.09p4), Vitebsk Obs. (Feb. 22.98-00p3), La Dehesilla Obs. (Feb. 23.15p3), Kitami Obs. (Feb. 26.59-61p3), Chante-Perdrix Obs. (Feb. 26.92-93p3 & 27.06p1), CAST Obs. (Feb. 27.90p1), Masquefa Obs. (Feb. 28.05-07p3), and Buchloe Obs. (March 1.05p3)
0074P 74P/Smirnova-Chernykh from Schiaparelli Obs. (Feb. 19.01p1 & 19.12p1), La Axarquia Obs. (Feb. 21.89p1), La Dehesilla Obs. (Feb. 23.01-02p3), Vicksburg Obs. (Feb. 23.18-19p2), Chante-Perdrix Obs. (Feb. 23.84-85p2), La Vara Obs. (Feb. 24.01-02p3, 25.95-96p3 & 27.87-88p3), Monte Deva Obs. (Feb. 25.09-10p5 & 26.03-04p5), Rodeno Obs. (Feb. 26.87-88p3), CAST Obs. (Feb. 27.84p1), Mataro Obs. (Feb. 27.95-98p3), Masquefa Obs. (Feb. 27.97-98p3), Buchloe Obs. (Feb. 28.94p3), and Moriyama Obs. (March 1.61-62p2)
0067P 67P/Churyumov-Gerasimenko from Smolyan Obs. (Feb. 6.75p2), Ageo Obs. (Feb. 14.38-39p2), Terskol Obs. (Feb. 14.69p7), La Vara Obs. (Feb. 23.82p3, 25.82p3 & 27.81p3), Rodeno Obs. (Feb. 26.79p3), CAST Obs. (Feb. 27.79p1), and Buchloe Obs. (Feb. 28.77p3)
0065P 65P/Gunn from Vitebsk Obs. (Feb. 23.01-03p3), La Dehesilla Obs. (Feb. 23.17-18p3), Monte Deva Obs. (Feb. 25.12-13p5), Spacewatch 1.8m (Feb. 26.39-40p3 & 27.39-41p3), Kitami Obs. (Feb. 26.64-66p3), Chante-Perdrix Obs. (Feb. 26.91-92p2), CAST Obs. (Feb. 27.91p1), Masquefa Obs. (Feb. 28.08p3), and Buchloe Obs. (March 1.08p3)
0061P 61P/Shajn-Schaldach from LINEAR (Feb. 25.11-15p4) and Buchloe Obs. (Feb. 28.84p1)
0059P 59P/Kearns-Kwee from Panker Obs. (Feb. 8.75-80p4 & 12.81p1), Ageo Obs. (Feb. 21.48p3), CAST Obs. (Feb. 27.80p1), and Buchloe Obs. (Feb. 28.83p1)
0033P 33P/Daniel from Nazaret Obs. (Feb. 22.02-04p3), El Guijo Obs. (Feb. 22.98-00p3), Tzec Maun Obs. Mayhill (Feb. 23.38p1, 27.48-49p3 & 28.42p1), La Vara Obs. (Feb. 23.99-00p3 & 27.95p3), Schiaparelli Obs. (Feb. 24.02p2 & 24.18p1), Santa Maria de M. Obs. (Feb. 24.03-04p3), Iowa Robotic Observatory (Feb. 24.13p1, 24.21p1, 26.27p1 & 26.43p1), CSS (Feb. 24.31-32p4), Rodeno Obs. (Feb. 26.90-91p3), Gualba Obs. (Feb. 27.85p2), Montcabre Obs. (Feb. 27.98p3), Masquefa Obs. (Feb. 28.03-05p3), and Buchloe Obs. (Feb. 28.00p3)
0029P 29P/Schwassmann-Wachmann 1 from Smolyan Obs. (Feb. 5.85-86p3), Remanzacco Obs. (Feb. 12.86p1), Panker Obs. (Feb. 12.91-92p3), Terskol Obs. (Feb. 14.90p4), Hamamatsu-Yuto Obs. (Feb. 17.40-41p2 & 17.45p1), Vega del Thader Obs. (Feb. 21.91-93p15), La Dehesilla Obs. (Feb. 21.91-93p3 & 22.98-00p3), Vicksburg Obs. (Feb. 23.11-14p3), La Vara Obs. (Feb. 23.89-90p3, 25.93p3 & 27.84p3), Santa Maria de M. Obs. (Feb. 23.91-92p3), Cordell-Lorenz Obs. (Feb. 24.06-09p3), Siegen Obs. (Feb. 24.87-89p3), Monte Deva Obs. (Feb. 25.08-09p5, 26.01-02p5 & 27.05-06p5), Farm Cove Obs. (Feb. 25.37-38p3), Gualba Obs. (Feb. 25.83p2, 26.82p2 & 27.81-82p2), Montcabre Obs. (Feb. 26.81-84p3), Rodeno Obs. (Feb. 26.85-86p3), Chante-Perdrix Obs. (Feb. 26.86p1, 27.77p2 & 27.86p2), CAST Obs. (Feb. 27.83p1), Mataro Obs. (Feb. 27.85-91p3), Buchloe Obs. (Feb. 28.91p3), and Moriyama Obs. (March 1.51-52p2)
0019P 19P/Borrelly from Terskol Obs. (Feb. 15.02-03p4), Lumezzane Obs. (Feb. 18.99p4), Vitebsk Obs. (Feb. 23.04-05p3), Ametlla del Valles Obs. (Feb. 24.17-22p3), La Dehesilla Obs. (Feb. 26.16-17p3), Mataro Obs. (Feb. 28.01-02p3), and Buchloe Obs. (March 1.04p3)
0017P 17P/Holmes from Schiaparelli Obs. (Feb. 19.78p1, 19.84p1 & 23.94-96p2), La Dehesilla Obs. (Feb. 21.95p1 & 22.96p1), La Vara Obs. (Feb. 25.91p2), Chante-Perdrix Obs. (Feb. 26.82-84p3 & 27.78-79p2), Montcabre Obs. (Feb. 27.87-88p3), and Buchloe Obs. (Feb. 28.92p2)
0016P 16P/Brooks 2 from Schiaparelli Obs. (Feb. 18.98p1 & 19.13p1), Spacewatch 0.9m (Feb. 26.11-15p3 & March 1.12-15p3), and Buchloe Obs. (Feb. 28.93p1)
0010P 10P/Tempel 2 from Ageo Obs. (Feb. 21.69-70p2), Schiaparelli Obs. (Feb. 24.11p1), and Chante-Perdrix Obs. (Feb. 26.90-91p3)
0006P 6P/d'Arrest from Ageo Obs. (Feb. 14.44p2), CSS (Feb. 20.10-11p3), and Schiaparelli Obs. (Feb. 21.79p1)

MPEC 2009-E05 - "22:54 UT" - Comet C/2009 B2 (LINEAR)

CK09B020 C/2009 B2 (LINEAR) (i=156.9°, q=2.328 AU, Q=88.619 AU, TP=2009 Mar. 7.6086 TT) from LINEAR (Feb. 25.39-44p5), Farm Cove Obs. (Feb. 25.48-49p3), and Buchloe Obs. (March 1.02p2)

MPEC 2009-E04 - "22:50 UT" - Comet P/2008 Y1 (Boattini)

PK08Y010 P/2008 Y1 (Boattini) (q=1.272 AU, Q=8.335 AU, TP=2009 Feb. 25.0858 TT) from Ageo Obs. (Feb. 21.43-44p4) and Buchloe Obs. (Feb. 28.80p3)

MPEC 2009-E03 - "17:19 UT" - 2009 DD45

K09D45D 2009 DD45 (small asteroid, Earth MOID=0.1 LD, H=25.4 ~28m) from the Siding Spring Survey (SSS) (March 1.66-67p2) This object is now within ten lunar distances (LD) of Earth, reaching 0.2 LD on 2 March (INTRUDER).

MPEC 2009-E02 - "15:00 UT" - 2009 DD45

K09D45D 2009 DD45 (small asteroid, Earth MOID=0.1 LD, H=25.4 ~28m) from Hibiscus Obs. (March 1.34-37p4) and SSS (March 1.41-42p2) This object is now within ten lunar distances (LD) of Earth, reaching 0.2 LD on 2 March (INTRUDER).

<< DOU on 1 Mar. '09 >> MPEC 2009-E01 - "07:08 UT" - Daily Orbit Update

Observations of risk-listed objects
K09D45B 2009 DB45 (arc=2 days, H=19.3 ~467m) from MRO (March 1.14-16p3)
K09D45A 2009 DA45 (small asteroid, arc=2 days, H=22.3 ~117m) from MRO (March 1.17-18p3)
K09D43V 2009 DV43 (small asteroid, arc=2 days, H=23.7 ~62m) from LINEAR (Feb. 28.26-29p3), Great Shefford Obs. (Feb. 28.87-88p3), and Guidestar Obs. (Feb. 28.88-91p3)
K09D43S 2009 DS43 (small asteroid, arc=2 days, H=25.8 ~23m) from Great Shefford Obs. (Feb. 28.78-80p3)
K09D43C 2009 DC43 (arc=2 days, H=17.9 ~891m) from MRO (Feb. 28.52-53p3)
K09D42V 2009 DV42 (arc=2 days, H=18.6 ~645m) from MRO (Feb. 28.52-53p3)
Observations of recently (no longer) risk-listed objects
K09D39H 2009 DH39 (i=53.1°, arc=3 days, H=18.8 ~589m) from SSS (Feb. 28.40-41p2)
K09D01A 2009 DA1 (small asteroid, Q=4.325 AU, arc=9 days, H=22.3 ~117m) from Spacewatch 1.8m (Feb. 28.36p3)
K09C03C 2009 CC3 from SSS (Feb. 27.72-73p2)
K09C00T 2009 CT (arc=26 days, H=19.5 ~426m) from SSS (Feb. 28.79p2)
Observations of small asteroids (H>22.0)
K09D45D 2009 DD45 (arc=1 day, H=25.4 ~28m) from SSS (Feb. 28.60p1)
K09D12C 2009 DC12 (arc=6 days, H=22.8 ~93m) from Spacewatch 1.8m (Feb. 28.34-35p3)
K09D01B 2009 DB1 (arc=9 days, H=22.9 ~89m) from Spacewatch 1.8m (Feb. 28.20-21p3)
K09D00D 2009 DD (arc=12 days, H=25.4 ~28m) from Spacewatch 1.8m (Feb. 28.45-46p3)
K09B58H 2009 BH58 (arc=31 days, H=23.5 ~68m) from Spacewatch 1.8m (Feb. 28.53-54p3)
Observations of other objects
K09D45O 2009 DO45 (arc=1 day, H=18.4 ~708m) from CSS (Feb. 28.31-38p6 discovery), Guidestar Obs. (Feb. 28.82-84p3), Great Shefford Obs. (Feb. 28.85p3), Naef Obs. (Feb. 28.85-88p2), and Farra d'Isonzo Obs. (Feb. 28.85-86p4)
K09D45M 2009 DM45 (arc=4 days, H=21.4 ~178m) from Guidestar Obs. (Feb. 28.92-93p3)
K09D12B 2009 DB12 (arc=7 days, H=21.5 ~170m) from Spacewatch 1.8m (Feb. 28.30-31p3 & March 1.18-20p3)
K09D04Q 2009 DQ4 (arc=8 days, H=21.0 ~214m) from Stia Obs. (Feb. 28.83-84p4)
K09B81J 2009 BJ81 (arc=28 days, H=18.5 ~676m) from SSS (Feb. 28.78p2)
K09A15M 2009 AM15 (arc=53 days, H=18.7 ~616m) from SSS (Feb. 28.43-44p2)
K08U07E 2008 UE7 (arc=125 days, H=20.4 ~282m) from Spacewatch 1.8m (Feb. 28.49-50p3)
K08E00E 2008 EE (arc=2 opp, H=19.7 ~389m) from Crni Vrh Obs. (Feb. 27.93-96p4) and Herrenberg Obs. (Feb. 28.78-80p6)
K06SL7X 2006 SX217 (arc=3 opp, H=18.8 ~589m) from Guidestar Obs. (March 1.05-07p3)
K06E52V 2006 EV52 (arc=4 opp, H=16.9 ~1.41 km) from Spacewatch 0.9m (Feb. 28.39-43p3)
K05YC8V 2005 YV128 (arc=4 opp, H=20.5 ~269m) from Spacewatch 1.8m (Feb. 28.51-52p3)
K02J09R 2002 JR9 (arc=3 opp, H=17.6 ~1.02 km) from Spacewatch 1.8m (Feb. 28.42-45p3)
K02C11T 2002 CT11 (i=53.9°, arc=5 opp, H=17.0 ~1.35 km) from Herrenberg Obs. (Feb. 28.87p3)
K01D08R 2001 DR8 (arc=2 opp, H=18.9 ~562m) from MLS (Feb. 28.31-33p4)
K00B19L 2000 BL19 (Q=4.472 AU, arc=2 opp, H=19.9 ~355m) from El Leoncito Obs. (Feb. 21.15-16p3 & 23.13-15p3)
J94A01W 1994 AW1 (arc=3 opp, H=17.6 ~1.02 km) from Herrenberg Obs. (Feb. 28.76-77p4)
I7026 187026 2005 EK70 from El Leoncito Obs. (Feb. 23.30-32p3)
G2080 162080 1998 DG16 from Guidestar Obs. (Feb. 28.87-90p3)
G2063 162063 1997 EH29 from Spacewatch 0.9m (Feb. 28.35-38p3)
G1989 161989 Cacus (1978 CA) from El Leoncito Obs. (Feb. 23.32-34p3)
F3958 153958 2002 AM31 from MLS (Feb. 28.31-33p4)
B1253 111253 2001 XU10 from MLS (Feb. 28.21-22p4)
99935 99935 2002 AV4 from Naef Obs. (Feb. 28.91-94p2)
89958 89958 2002 LY45 from SSS (Feb. 28.72-74p4)
85867 85867 1999 BY9 from El Leoncito Obs. (Feb. 19.25-27p3 & 23.21-22p3) and Spacewatch 0.9m (Feb. 28.35-38p3)
68350 68350 2001 MK3 from CSS (Feb. 28.37-39p4)
52768 52768 1998 OR2 from LINEAR (Feb. 28.38-42p5) and Guidestar Obs. (March 1.01-04p2 & 1.10p1)
18882 18882 1999 YN4 from El Leoncito Obs. (Feb. 23.11-13p3)
18172 18172 2000 QL7 from SSS (Feb. 28.68-70p4)
18109 18109 2000 NG11 from MLS (Feb. 28.31-33p4)
14402 14402 1991 DB from El Leoncito Obs. (Feb. 23.27-28p2)
08566 8566 1996 EN from Spacewatch 0.9m (Feb. 28.29-32p3) and Naef Obs. (Feb. 28.91-93p2)
03199 3199 Nefertiti (1982 RA) from El Leoncito Obs. (Feb. 23.23-24p3)
01917 1917 Cuyo (1968 AA) from El Leoncito Obs. (Feb. 18.12-13p3 & 21.09-11p3)
01036 1036 Ganymed (1924 TD) from El Leoncito Obs. (Feb. 19.20-21p3 & 21.17-18p3)

Observers on 1 March '09

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

Code	Observer / observatory
`349`	Ageo Obs. in Japan, 10 in MPECs 2009-E04 & 2009-E06 -- P/2008 Y1, P/2008 QP20, C/2007 U1, C/2007 N3, C/2006 OF2, 117P, 67P, 59P, 10P, 6P
`B37`	Ametlla del Valles Obs. in Spain, 4 in MPEC 2009-E06 -- C/2007 N3, C/2007 D3, 113P, 19P
`J20`	Aravaca Obs. in Spain, 3 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P
`467`	Auckland Obs. in New Zealand, 1 in MPEC 2009-E06 -- C/2007 M2
`215`	Buchloe Obs. in Germany, 34 in MPECs 2009-E04, 2009-E05 & 2009-E06 -- C/2009 B2, P/2008 Y2, P/2008 Y1, P/2008 WZ96, C/2008 T2, C/2008 S3, C/2008 R3, C/2008 E1, C/2007 U1, C/2007 N3, C/2007 D3, C/2006 W3, C/2006 U6, C/2006 Q1, C/2006 OF2, C/2006 K1, C/2005 L3, 212P, 210P, 204P, 144P, 116P, 88P, 77P, 74P, 67P, 65P, 61P, 59P, 33P, 29P, 19P, 17P, 16P
`235`	CAST Obs. in Italy, 12 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, C/2005 L3, 144P, 116P, 77P, 74P, 67P, 65P, 59P, 29P
`I77`	CEAMIG-REA in Brazil, 1 in MPEC 2009-E07 -- 2009 DJ46
`J79`	Calarreona Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
`B20`	Carmelita Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
`703`	Catalina Sky Survey (CSS) in Arizona, 10 in MPECs 2009-E01, 2009-E06, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DO45, 2009 DL46, P/2008 Y2, P/2008 T4, C/2007 D3, 68350, 212P, 33P, 6P
`A77`	Chante-Perdrix Obs. in France, 12 in MPEC 2009-E06 -- C/2007 N3, C/2007 D3, C/2006 OF2, C/2005 L3, 204P, 144P, 77P, 74P, 65P, 29P, 17P, 10P
`850`	Cordell-Lorenz Obs. in Tennessee, 2 in MPEC 2009-E06 -- C/2006 OF2, 29P
`B50`	Corner Obs. in Germany, 1 in MPEC 2009-E06 -- C/2007 N3
`106`	Crni Vrh Obs. in Slovenia, 1 in MPEC 2009-E01 -- 2008 EE
`448`	Desert Moon Obs. in New Mexico, 1 in MPEC 2009-E06 -- C/2007 N3
`I21`	El Condor Obs. in Argentina, 1 in MPEC 2009-E06 -- C/2007 N3
`J27`	El Guijo Obs. in Spain, 2 in MPEC 2009-E06 -- 116P, 33P
`808`	El Leoncito Obs. in Argentina, 11 in MPECs 2009-E01 & 2009-E06 -- C/2007 M2, C/2006 U6, 2000 BL19, 85867, 18882, 187026, 161989, 14402, 3199, 1917, 1036
`J19`	El Maestrat Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
`B71`	El Vendrell Obs. in Spain, 1 in MPEC 2009-E06 -- C/2007 N3
`E85`	Farm Cove Obs. in New Zealand, 5 in MPECs 2009-E05 & 2009-E06 -- C/2009 B2, P/2008 Y2, C/2007 N3, 116P, 29P
`595`	Farra d'Isonzo Obs. in Italy, 1 in MPEC 2009-E01 -- 2009 DO45
`J95`	Great Shefford Obs. in England, 5 in MPECs 2009-E01, 2009-E07 & 2009-E09 -- 2009 EA, 2009 DV43, 2009 DS43, 2009 DO45, 2009 DJ46
`E16`	Grove Creek Obs. in New South Wales, 1 in MPEC 2009-E06 -- C/2007 N3
`442`	Gualba Obs. in Spain, 5 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 116P, 33P, 29P
`A17`	Guidestar Obs. in Germany, 7 in MPECs 2009-E01 & 2009-E07 -- 2009 DV43, 2009 DO45, 2009 DM45, 2009 DJ46, 2006 SX217, 52768, 162080
`379`	Hamamatsu-Yuto Obs. in Japan, 4 in MPEC 2009-E06 -- C/2006 OF2, 144P, 116P, 29P
`240`	Herrenberg Obs. in Germany, 3 in MPEC 2009-E01 -- 2008 EE, 2002 CT11, 1994 AW1
`F84`	Hibiscus Obs. in Tahiti, 1 in MPEC 2009-E02 -- 2009 DD45
`857`	Iowa Robotic Observatory in Arizona, 1 in MPEC 2009-E06 -- 33P
`415`	Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2009-E06 -- C/2007 M2
`400`	Kitami Obs. in Japan, 3 in MPEC 2009-E06 -- P/2008 Y2, 77P, 65P
`704`	LINEAR in New Mexico, 10 in MPECs 2009-E01, 2009-E05, 2009-E06 & 2009-E07 -- 2009 DV43, 2009 DJ46, C/2009 B2, P/2008 T4, P/2008 QP20, 52768, 210P, 183P, 81P, 61P
`J31`	La Axarquia Obs. in Spain, 1 in MPEC 2009-E06 -- 74P
`212`	La Dehesilla Obs. in Spain, 17 in MPEC 2009-E06 -- P/2008 Y2, C/2008 X3, C/2008 E1, C/2006 U6, C/2006 Q1, C/2006 OF2, C/2005 L3, 210P, 209P, 144P, 116P, 77P, 74P, 65P, 29P, 19P, 17P
`J38`	La Vara Obs. in Spain, 12 in MPEC 2009-E06 -- C/2008 T2, C/2008 R3, C/2007 N3, C/2006 W3, C/2006 OF2, 144P, 116P, 74P, 67P, 33P, 29P, 17P
`J59`	Linceo Obs. in Spain, 2 in MPEC 2009-E06 -- C/2007 N3, 116P
`130`	Lumezzane Obs. in Italy, 2 in MPEC 2009-E06 -- 77P, 19P
`H01`	Magdalena Ridge Obs. (MRO) in New Mexico, 7 in MPECs 2009-E01, 2009-E07, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DV42, 2009 DL46, 2009 DJ46, 2009 DC43, 2009 DB45, 2009 DA45
`B82`	Maidbronn Obs. in Germany, 3 in MPEC 2009-E06 -- C/2008 T2, C/2006 W3, 144P
`232`	Masquefa Obs. in Spain, 12 in MPEC 2009-E06 -- C/2007 N3, C/2006 Q1, C/2006 OF2, C/2005 L3, 210P, 209P, 144P, 116P, 77P, 74P, 65P, 33P
`A06`	Mataro Obs. in Spain, 7 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, 144P, 116P, 74P, 29P, 19P
`B73`	Mauren Valley Obs. in Germany, 3 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, 144P
`213`	Montcabre Obs. in Spain, 6 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 116P, 33P, 29P, 17P
`945`	Monte Deva Obs. in Spain, 8 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 65P, 29P
`900`	Moriyama Obs. in Japan, 10 in MPEC 2009-E06 -- P/2008 Y2, C/2008 X3, C/2008 T2, C/2007 Q3, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 29P
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 5 in MPECs 2009-E01 & 2009-E06 -- C/2005 L3, 2001 DR8, 18109, 153958, 111253
`A13`	Naef Obs. in Switzerland, 3 in MPEC 2009-E01 -- 2009 DO45, 99935, 8566
`J47`	Nazaret Obs. in Spain, 3 in MPEC 2009-E06 -- C/2007 N3, 117P, 33P
`A32`	Panker Obs. in Germany, 5 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P, 59P, 29P
`473`	Remanzacco Obs. in Italy, 2 in MPECs 2009-E06 & 2009-E07 -- 2009 DJ46, 29P
`939`	Rodeno Obs. in Spain, 9 in MPEC 2009-E06 -- C/2008 T2, C/2007 N3, C/2006 OF2, 144P, 116P, 74P, 67P, 33P, 29P
`461`	SZTE Asteroid Program (SZTE) in Hungary, 2 in MPEC 2009-E06 -- C/2007 N3, 166P
`854`	Sabino Canyon Obs. in Arizona, 3 in MPECs 2009-E07, 2009-E08 & 2009-E09 -- 2009 EA, 2009 DL46, 2009 DJ46
`233`	San Vito Obs. in Italy, 2 in MPEC 2009-E06 -- C/2006 OF2, 144P
`H36`	Sandlot Obs. in Kansas, 1 in MPEC 2009-E07 -- 2009 DJ46
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 6 in MPEC 2009-E06 -- C/2008 T2, C/2007 Q3, 144P, 116P, 33P, 29P
`204`	Schiaparelli Obs. in Italy, 16 in MPEC 2009-E06 -- P/2008 WZ96, C/2008 S3, C/2007 D3, C/2006 U6, 212P, 204P, 203P, 179P, 147P, 116P, 74P, 33P, 17P, 16P, 10P, 6P
`E12`	Siding Spring Survey (SSS) in New South Wales, 8 in MPECs 2009-E01, 2009-E02 & 2009-E03 -- 2009 DH39, 2009 DD45, 2009 CT, 2009 CC3, 2009 BJ81, 2009 AM15, 89958, 18172
`510`	Siegen Obs. in Germany, 5 in MPEC 2009-E06 -- C/2008 T2, C/2006 OF2, 144P, 116P, 29P
`B40`	Skylive Obs. in Italy, 1 in MPEC 2009-E06 -- 144P
`071`	Smolyan Obs. in Bulgaria, 5 in MPEC 2009-E06 -- C/2006 OF2, C/2005 L3, 144P, 67P, 29P
`691`	Spacewatch 0.9m telescope in Arizona, 6 in MPECs 2009-E01 & 2009-E06 -- 2006 EV52, 85867, 162063, 8566, 93P, 16P
`291`	Spacewatch 1.8m telescope in Arizona, 15 in MPECs 2009-E01, 2009-E06, 2009-E07 & 2009-E08 -- 2009 DL46, 2009 DJ46, 2009 DD, 2009 DC12, 2009 DB12, 2009 DB1, 2009 DA1, 2009 BH58, 2008 UE7, C/2006 K1, 2005 YV128, 2002 JR9, 179P, 81P, 65P
`A78`	Stia Obs. in Italy, 1 in MPEC 2009-E01 -- 2009 DQ4
`147`	Suno Obs. in Italy, 1 in MPEC 2009-E06 -- C/2007 N3
`B18`	Terskol Obs. in Russia, 8 in MPEC 2009-E06 -- C/2007 N3, C/2006 OF2, 210P, 144P, 116P, 67P, 29P, 19P
`H10`	Tzec Maun Obs. Mayhill in New Mexico, 2 in MPEC 2009-E06 -- 88P, 33P
`J70`	Vega del Thader Obs. in Spain, 1 in MPEC 2009-E06 -- 29P
`H47`	Vicksburg Obs. in Mississippi, 4 in MPEC 2009-E06 -- C/2006 OF2, 144P, 74P, 29P
`B42`	Vitebsk Obs. in Belarus, 4 in MPEC 2009-E06 -- C/2005 L3, 77P, 65P, 19P
`367`	Yatsuka Obs. in Japan, 6 in MPEC 2009-E06 -- C/2008 T2, C/2007 Q3, C/2007 N3, C/2006 OF2, 144P, 116P

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

Impact Risk Monitoring on 1 March '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 DB45	JPL Sentry	1559	R E M O V E D						JPL: Risk listing removed at 0949 UTC.

2009 DA45	JPL Sentry	1559	R E M O V E D						JPL: Risk listing removed at 0948 UTC.

2009 DV43	JPL Sentry	1559	R E M O V E D						JPL: Risk listing removed at 1028 UTC.
2009 DV43	NEODyS	1559	R E M O V E D						-

2009 DS43	JPL Sentry	1559	R E M O V E D						JPL: Risk listing removed at 0954 UTC.
2009 DS43	NEODyS	1559	R E M O V E D						-

2009 DC43	NEODyS	1600	2028-2078	18	5.26e-09	-4.45	-5.13	0	NEODyS: "Based on 36 optical observations (of which 0 are rejected as outliers) from 2009/02/26.500 to 2009/02/28.531."
2009 DC43	JPL Sentry	1559	2028-2108	19	9.7e-09	-4.34	-5.15	0	JPL: "Analysis based on 36 observations spanning 2.0308 days (2009-Feb-26.49973 to 2009-Feb-28.5305)." Diameter approximately 0.991 km. from mean, weighted H=17.7.

2009 DV42	JPL Sentry	1559	R E M O V E D						JPL: Risk listing removed at 0948 UTC.
2009 DV42	NEODyS	1559	R 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 1 March '09

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

2358	Grabbed MPEC 2009-E06 - Observations of Comets - see above Grabbed MPEC 2009-E07 - 2009 DJ46 - see above Grabbed MPEC 2009-E08 - 2009 DL46 - see above Grabbed MPEC 2009-E09 - 2009 EA - see above
2303	Grabbed MPEC 2009-E04 - Comet P/2008 Y1 (Boattini) - see above Grabbed MPEC 2009-E05 - Comet C/2009 B2 (LINEAR) - see above
1800	Grabbed MPEC 2009-E03 - 2009 DD45 - see above
1600	Noted that NEODyS has updated its 2009 DC43 risk assessment - see above Grabbed MPEC 2009-E01 - Daily Orbit Update - see above Grabbed MPEC 2009-E02 - 2009 DD45 - see above
1559	Noted that JPL Sentry has removed 2009 DA45 as an impact risk - see above Noted that JPL Sentry has removed 2009 DB45 as an impact risk - see above Noted that JPL Sentry has updated its 2009 DC43 risk assessment - see above Noted that JPL Sentry has removed 2009 DS43 as an impact risk - see above Noted that NEODyS has removed 2009 DS43 as an impact risk - see above Noted that JPL Sentry has removed 2009 DV42 as an impact risk - see above Noted that NEODyS has removed 2009 DV42 as an impact risk - see above Noted that JPL Sentry has removed 2009 DV43 as an impact risk - see above Noted that NEODyS has removed 2009 DV43 as an impact risk - see above

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