Contents  on 18 April '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 18 April '11

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

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had two updated listings. 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 18 April '11

Minor Planet Electronic Circulars

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

MPEC 2011-H11 - "23:35 UT" - 2011 GD68

<< DOU on 18 Apr. '11 >>  MPEC 2011-H10 - "07:10 UT" - Daily Orbit Update

Observers  on 18 April '11

Thirteen observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 10 in MPECs 2011-H10 & 2011-H11 -- 2011 GR59, 2011 GQ65, 2011 GQ59, 2011 GL62, 2011 GF, 2011 GD68, 2011 GC62, 2011 GC60, 2011 FY2, 2011 DS9
160Castelmartini Obs. in Italy, 1 in MPEC 2011-H10 -- 2011 DS9
448Desert Moon Obs. in New Mexico, 2 in MPEC 2011-H10 -- 2011 GL62, 2005 WD1
F65%Tim Lister in southern California via Faulkes Telescope North in Hawaii, 1 in MPEC 2011-H11 -- 2011 GD68
J95Great Shefford Obs. in England, 1 in MPEC 2011-H11 -- 2011 GD68
H15ISON-NM Obs. in New Mexico, 1 in MPEC 2011-H10 -- 137170
E28Kuriwa Obs., 1 in MPEC 2011-H10 -- 2006 VB14
B67Mirasteilas Obs. in Switzerland, 2 in MPEC 2011-H10 -- 2011 AO52, 260141
A24New Millennium Obs. in Italy, 17 in MPEC 2011-H10 -- 2009 FT, 2009 DV42, 2008 FT6, 2004 FG1, 2003 SC11, 2002 TD60, 2001 QP181, 85953, 53435, 265196, 234341, 163412, 159635, 144332, 141525, 102873, 4401
F51Pan-STARRS 1 in Hawaii, 1 in MPEC 2011-H11 -- 2011 GD68
H23Pear Tree Obs. in Florida, 1 in MPEC 2011-H10 -- 260141
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2011-H10 -- 2011 GM62
204Schiaparelli Obs. in Italy, 7 in MPEC 2011-H10 -- 2011 GF, 2011 GC, 2011 ED78, 2007 TB23, 2005 GP21, 2003 FF5, 1998 KH9
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 18 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 18 April '11

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

2359Grabbed MPEC 2011-H11 - 2011 GD68 - see above
1536Grabbed MPEC 2011-H10 - Daily Orbit Update - see above