Contents  on 16 April '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 16 April '11

The MPC's NEO Confirmation Page has 5 listings: 5 new

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had five new listings. All of these were "one nighters." So far The Tracking News has counted a total of seventeen 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 16 April '11

Minor Planet Electronic Circulars

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


MPEC 2011-H08 - "15:03 UT" - 2011 GL60


MPEC 2011-H07 - "12:18 UT" - 2011 GX65


MPEC 2011-H06 - "12:12 UT" - 2011 GW65


MPEC 2011-H05 - "12:06 UT" - 2011 GV65


<< DOU on 16 Apr. '11 >>  MPEC 2011-H04 - "07:10 UT" - Daily Orbit Update


MPEC 2011-H03 - "03:42 UT" - 2011 GQ65


MPEC 2011-H02 - "03:37 UT" - 2011 GP65


MPEC 2011-H01 - "03:32 UT" - 2011 GO65

Observers  on 16 April '11

A total of 20 observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 2 in MPECs 2011-H01 & 2011-H05 -- 2011 GV65, 2011 GO65
703Catalina Sky Survey (CSS) in Arizona, 2 in MPECs 2011-H03 & 2011-H08 -- 2011 GQ65, 2011 GL60
807|Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 6 in MPECs 2011-H02, 2011-H03 & 2011-H04 -- 2011 GZ54, 2011 GQ65, 2011 GP65, 2011 GM62, 2011 GL62, 2011 GA55
A77Chante-Perdrix Obs. in France, 1 in MPEC 2011-H08 -- 2011 GL60
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2011-H03 -- 2011 GQ65
F65%Tim Lister in southern California via Faulkes Telescope North in Hawaii, 1 in MPEC 2011-H01 -- 2011 GO65
F657Paul Roche in Wales via Faulkes Telescope North in Hawaii, 2 in MPECs 2011-H01 & 2011-H02 -- 2011 GP65, 2011 GO65
511Haute Provence Obs. in Germany, 1 in MPEC 2011-H04 -- 1036
704LINEAR in New Mexico, 6 in MPECs 2011-H03 & 2011-H04 -- 2011 GQ65, 2011 GL62, 267759, 250614, 23187, 198856
J87La Canada Obs. in Spain, 1 in MPEC 2011-H03 -- 2011 GQ65
D35Lulin Minor Bodies Tracking (LIMIT) in Taiwan, 3 in MPECs 2011-H01, 2011-H02 & 2011-H07 -- 2011 GX65, 2011 GP65, 2011 GO65
H01Magdalena Ridge Obs. (MRO) in New Mexico, 3 in MPECs 2011-H05, 2011-H06 & 2011-H07 -- 2011 GX65, 2011 GW65, 2011 GV65
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2011-H04 -- 2011 CO2
B67Mirasteilas Obs. in Switzerland, 5 in MPEC 2011-H04 -- 2011 GL62, 2011 EZ78, 2011 EM51, 2007 PP6, 2004 FU4
G96Mt. Lemmon Survey (MLS) in Arizona, 2 in MPECs 2011-H01 & 2011-H06 -- 2011 GW65, 2011 GO65
F51Pan-STARRS 1 (PS1) in Hawaii, 4 in MPECs 2011-H01, 2011-H02, 2011-H05 & 2011-H07 -- 2011 GX65, 2011 GV65, 2011 GP65, 2011 GO65
586Pic du Midi Obs. in France, 1 in MPEC 2011-H04 -- 1036
473Remanzacco Obs. in Italy, 1 in MPEC 2011-H04 -- 2011 GD60
291Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2011-H05 -- 2011 GV65
I93St. Pardon de Conques Obs. in France, 1 in MPEC 2011-H03 -- 2011 GQ65
H10Tzec Maun Obs. Mayhill in New Mexico, 1 in MPEC 2011-H03 -- 2011 GQ65
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 16 April '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 16 April '11

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

1554Grabbed MPEC 2011-H04 - Daily Orbit Update - see above
Grabbed MPEC 2011-H05 - 2011 GV65 - see above
Grabbed MPEC 2011-H06 - 2011 GW65 - see above
Grabbed MPEC 2011-H07 - 2011 GX65 - see above
Grabbed MPEC 2011-H08 - 2011 GL60 - see above
0404Grabbed MPEC 2011-H02 - 2011 GP65 - see above
Grabbed MPEC 2011-H03 - 2011 GQ65 - see above
0335Grabbed MPEC 2011-H01 - 2011 GO65 - see above