Contents  on 20 May '11


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 20 May '11

The MPC's NEO Confirmation Page has 3 listings

When last checked at 2227 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had three objects listed. Of these, two were "one nighters." So far The Tracking News has counted a total of four 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 20 May '11

Minor Planet Electronic Circulars

As of last check at 2227 UTC, there have been two MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2011-K11 - "20:08 UT" - Comet C/2011 J3 (LINEAR)

<< DOU on 20 May '11 >>  MPEC 2011-K10 - "07:06 UT" - Daily Orbit Update

Observers  on 20 May '11

Fifteen observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 3 in MPECs 2011-K10 & 2011-K11 -- C/2011 J3, 2010 TV149, 277473
807|Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 8 in MPEC 2011-K10 -- 2011 GH62, 2010 XK52, 2010 KX7, 2008 RJ1, 2008 EJ1, 2008 CM116, 2005 UL, 1998 KM3
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2011-K11 -- C/2011 J3
A17Guidestar Obs. in Germany, 1 in MPEC 2011-K11 -- C/2011 J3
704LINEAR in New Mexico, 1 in MPEC 2011-K11 -- C/2011 J3
560Madonna di Dossobuono Obs. in Italy, 2 in MPEC 2011-K10 -- 2010 TU5, 2007 LQ19
H01Magdalena Ridge Obs. in New Mexico, 1 in MPEC 2011-K11 -- C/2011 J3
I41Palomar Transient Factory in southern California, 1 in MPEC 2011-K10 -- 2006 AO4
H06|Hidetaka Sato in Japan via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2011-K11 -- C/2011 J3
H36Sandlot Obs. in Kansas, 1 in MPEC 2011-K11 -- C/2011 J3
204Schiaparelli Obs. in Italy, 1 in MPEC 2011-K11 -- C/2011 J3
I93St. Pardon de Conques Obs. in France, 1 in MPEC 2011-K11 -- C/2011 J3
926Tenagra II Obs. in Arizona, 1 in MPEC 2011-K11 -- C/2011 J3
H10Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2011-K11 -- C/2011 J3
6892Hugh C. Harris via U.S. Naval Obs. Flagstaff Station in Arizona, 1 in MPEC 2011-K10 -- 1036
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 20 May '11

At last check (NEODyS at 2227 and JPL at 2228 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 20 May '11

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

2104Grabbed MPEC 2011-K11 - Comet C/2011 J3 (LINEAR) - see above
1434Grabbed MPEC 2011-K10 - Daily Orbit Update - see above