Contents  on 29 July '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 29 July '11

The MPC's NEO Confirmation Page has 32 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 32 objects listed. Of these, 22 were "one nighters." So far The Tracking News has counted a total of 41 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 29 July '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-O57 - "19:05 UT" - Observations and Orbits of Comets


MPEC 2011-O56 - "17:12 UT" - 2011 OS15


MPEC 2011-O55 - "17:10 UT" - 2011 OR15


<< DOU on 29 July '11 >>  MPEC 2011-O54 - "06:11 UT" - Daily Orbit Update

Observers  on 29 July '11

A total of 48 observers appear in today's MPECs.

CodeObserver / observatory
349Ageo Obs. in Japan, 9 in MPEC 2011-O57 -- C/2011 M1, C/2011 L3, C/2011 C1, C/2010 S1, C/2009 Y1, C/2009 P1, C/2006 S3, 130P, 27P
I08Alianza S4 Obs. in Argentina, 1 in MPEC 2011-O57 -- P/2011 N1
E23Arcadia Obs. in New South Wales, 1 in MPEC 2011-O54 -- 2011 OV4
H21Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2011-O55 -- 2011 OR15
I99Blanquita Obs. in Spain, 4 in MPEC 2011-O57 -- C/2011 L3, C/2009 P1, C/2006 S3, 45P
432Boambee Obs. in New South Wales, 1 in MPEC 2011-O54 -- 169675
B96Brixiis Obs. in Belgium, 4 in MPEC 2011-O57 -- C/2011 L3, C/2010 S1, C/2009 P1, C/2006 S3
160Castelmartini Obs. in Italy, 2 in MPEC 2011-O57 -- C/2009 P1, C/2006 S3
807|Robert Holmes via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 9 in MPEC 2011-O54 -- 2011 OX4, 2011 OR5, 2011 OQ5, 2011 OM5, 2011 OL5, 2011 OJ5, 2011 OE, 2011 ND, 2011 MD5
A77Chante-Perdrix Obs. in France, 7 in MPEC 2011-O57 -- C/2011 M1, C/2011 L1, C/2009 S3, C/2009 P1, C/2008 S3, 213P, 48P
J01Cielo Profundo Obs. in Spain, 7 in MPEC 2011-O57 -- P/2011 NO1, C/2011 L3, C/2009 P1, C/2007 Q3, C/2006 S3, 213P, 81P
B50Corner Obs. in Germany, 3 in MPEC 2011-O57 -- C/2010 X1, C/2006 S3, 115P
106Crni Vrh Obs. in Slovenia, 1 in MPEC 2011-O57 -- 81P
958Dax Obs. in France, 1 in MPEC 2011-O57 -- 45P
J19El Maestrat Obs. in Spain, 1 in MPEC 2011-O57 -- C/2009 P1
F65%Tim Lister in southern California via Faulkes Telescope North in Hawaii, 2 in MPECs 2011-O55 & 2011-O56 -- 2011 OS15, 2011 OR15
E10Faulkes Telescope South in New South Wales, 2 in MPECs 2011-O56 & 2011-O57 -- 2011 OS15, 45P
D88Hiratsuka Obs. in Japan, 2 in MPEC 2011-O57 -- 213P, 27P
750Hobbs Obs. in Wisconsin, 1 in MPEC 2011-O57 -- C/2009 P1
I16IAA-AI Atacama in Chile, 1 in MPEC 2011-O57 -- P/2011 N1
H15ISON-NM Obs. in New Mexico, 1 in MPEC 2011-O57 -- P/2011 NO1
585Kiev Comet Station in the Ukraine, 1 in MPEC 2011-O57 -- C/2009 P1
D95Kurihara Obs. in Japan, 2 in MPEC 2011-O57 -- C/2009 P1, 213P
704LINEAR in New Mexico, 1 in MPEC 2011-O57 -- C/2009 Y1
J31La Axarquia Obs. in Spain, 2 in MPEC 2011-O57 -- C/2009 P1, 213P
J59Linceo Obs. in Spain, 2 in MPEC 2011-O57 -- C/2009 P1, 45P
C01Lohrmann Obs. in Germany, 2 in MPEC 2011-O54 -- 90147, 4769
152Moletai Obs. in Lithuania, 4 in MPEC 2011-O57 -- C/2011 L3, C/2009 P1, C/2006 S3, 213P
900Moriyama Obs. in Japan, 6 in MPEC 2011-O57 -- C/2011 L3, C/2011 A3, C/2010 R1, C/2009 P1, C/2006 S3, 48P
J93Mt. Tuffley Obs. in England, 1 in MPEC 2011-O57 -- C/2009 P1
E07Murrumbateman Obs. in New South Wales, 7 in MPEC 2011-O57 -- C/2011 L2, C/2009 P1, C/2009 F4, C/2006 S3, 130P, 115P, 48P
D81Nagano Obs. in Japan, 1 in MPEC 2011-O57 -- C/2009 P1
C23Olmen Obs. in Belgium, 2 in MPEC 2011-O57 -- 213P, 78P
F51Pan-STARRS 1 (PS1) in Hawaii, 11 in MPECs 2011-O54, 2011-O55, 2011-O56 & 2011-O57 -- 2011 OV4, 2011 OS15, 2011 OR15, 2011 NZ, 2011 CG2, 2008 AE, 2007 YF1, 106589, 5332, 81P, 48P
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 6 in MPEC 2011-O57 -- C/2011 L3, C/2009 Y1, C/2009 P1, C/2008 FK75, 213P, 78P
5611Janos Kelemen via Piszkesteto Station in Hungary, 6 in MPEC 2011-O57 -- C/2011 L3, C/2011 F1, C/2011 A3, C/2010 R1, C/2010 L3, C/2010 J2
J53Posadas Obs. in Spain, 3 in MPEC 2011-O57 -- C/2011 L3, C/2009 P1, C/2006 S3
H06*Rolando Ligustri in Italy via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2011-O57 -- C/2009 P1
H06|Hidetaka Sato in Japan via RAS Obs. Mayhill in New Mexico, 8 in MPEC 2011-O57 -- P/2011 NO1, C/2011 M1, C/2011 J3, C/2009 S3, 242P, 213P, 130P, 45P
E03`Kevin Hills in England via RAS Obs. Victoria in Victoria, 3 in MPEC 2011-O57 -- C/2011 N2, C/2011 L2, C/2009 F4
473Remanzacco Obs. in Italy, 1 in MPEC 2011-O57 -- C/2008 FK75
104San Marcello Pistoiese Obs. in Italy, 2 in MPEC 2011-O57 -- C/2011 L1, C/2009 P1
204Schiaparelli Obs. in Italy, 1 in MPEC 2011-O57 -- 213P
E12Siding Spring Survey (SSS) in New South Wales, 7 in MPECs 2011-O54 & 2011-O57 -- P/2011 N1, C/2011 L4, 2008 OO, 2007 SP6, 18172, 10145, 1916
G68Sierra Stars Obs. in northern California, 2 in MPEC 2011-O57 -- C/2011 L4, C/2011 L3
C36Starry Wanderer Obs., 1 in MPEC 2011-O57 -- C/2009 P1
A71Stixendorf Obs. in Austria, 2 in MPEC 2011-O57 -- C/2011 L3, C/2009 P1
D96Tzec Maun Obs. Moorook in South Australia, 3 in MPEC 2011-O57 -- C/2009 P1, C/2009 F4, C/2006 S3
B51Vallauris Obs. in France, 6 in MPEC 2011-O57 -- C/2011 L3, C/2010 R1, C/2009 Y1, C/2009 P1, 213P, 45P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 29 July '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 29 July '11

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

1910Grabbed MPEC 2011-O57 - Observations and Orbits of Comets - see above
1803Grabbed MPEC 2011-O55 - 2011 OR15 - see above
Grabbed MPEC 2011-O56 - 2011 OS15 - see above
1609Grabbed MPEC 2011-O54 - Daily Orbit Update - see above