Contents  on 21 March '11

Resources:

The latest A/CC news is available via framed access, RSS news feed RSS news feed, or redirection. - Note: A/CC has a main Web site and also a backup site with its own duplicate RSS news feed.

Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. And use the all-up news archive to access news from any time since A/CC began in early 2002. To keep track of what's new each day, watch the Chronology section.

NEOCP Activity  on 21 March '11

The MPC's NEO Confirmation Page has 2 listings: 2 new

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two new listings. Both of these were "one nighters." So far The Tracking News has counted a total of three listings on the NEOCP 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 21 March '11

Minor Planet Electronic Circulars

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


MPEC 2011-F15 - "17:00 UT" - Comet C/2011 F1 (LINEAR)


MPEC 2011-F14 - "16:22 UT" - Comet P/2000 O3 = 2005 W4 = 2011 E1 (SOHO)


MPEC 2011-F13 - "14:27 UT" - Observable Comets


<< DOU on 21 Mar. '11 >>  MPEC 2011-F12 - "07:05 UT" - Daily Orbit Update

Observers  on 21 March '11

A total of 25 observers appear in today's MPECs.

CodeObserver / observatory
B96Brixiis Obs. in Belgium, 1 in MPEC 2011-F15 -- C/2011 F1
J18Churchstoke Obs. in Wales, 1 in MPEC 2011-F15 -- C/2011 F1
448Desert Moon Obs. in New Mexico, 2 in MPEC 2011-F12 -- 2011 ET29, 1998 KH9
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2011-F15 -- C/2011 F1
J95Great Shefford Obs. in England, 2 in MPECs 2011-F12 & 2011-F15 -- C/2011 F1, 2011 EW74
B86Hagen Obs. in Germany, 1 in MPEC 2011-F15 -- C/2011 F1
240Herrenberg Obs. in Germany, 1 in MPEC 2011-F12 -- 228368
H15ISON-NM Obs. in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
704LINEAR in New Mexico, 2 in MPECs 2011-F12 & 2011-F15 -- C/2011 F1, 267136
H11LightBuckets Obs. Rodeo in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
B82Maidbronn Obs. in Germany, 1 in MPEC 2011-F15 -- C/2011 F1
B67Mirasteilas Obs. in Switzerland, 1 in MPEC 2011-F12 -- 2010 WQ7
118Modra Obs. in Slovakia, 1 in MPEC 2011-F15 -- C/2011 F1
213Montcabre Obs. in Spain, 1 in MPEC 2011-F15 -- C/2011 F1
A13Naef Obs. in Switzerland, 2 in MPECs 2011-F12 & 2011-F15 -- C/2011 F1, 4954
H45Petit Jean Mtn. South Obs. in Arkansas, 1 in MPEC 2011-F12 -- 267136
H06%Ernesto Guido in Italy via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
H06*Rolando Ligustri in Italy via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
H06|H. Sato in Japan via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
204Schiaparelli Obs. in Italy, 1 in MPEC 2011-F15 -- C/2011 F1
510Siegen Obs. in Germany, 1 in MPEC 2011-F15 -- C/2011 F1
249Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 1 in MPEC 2011-F14 -- P/2011 E1
I93St. Pardon de Conques Obs. in France, 1 in MPEC 2011-F15 -- C/2011 F1
H10Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2011-F15 -- C/2011 F1
C44Volta Obs. in Italy, 1 in MPEC 2011-F15 -- C/2011 F1
198Wildberg Obs. in Germany, 1 in MPEC 2011-F15 -- C/2011 F1
C42Xingming Obs. in China, 1 in MPEC 2011-F15 -- C/2011 F1
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 21 March '11

At last check (NEODyS and JPL at 2359 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.

Chronology  on 21 March '11

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

1806Grabbed MPEC 2011-F15 - Comet C/2011 F1 (LINEAR) - see above
1701Grabbed MPEC 2011-F14 - Comet P/2000 O3 = 2005 W4 = 2011 E1 (SOHO) - see above
1556Grabbed MPEC 2011-F12 - Daily Orbit Update - see above
Grabbed MPEC 2011-F13 - Observable Comets - see above