Contents  on 21 December '08

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 December '08

The MPC's NEO Confirmation Page has 11 listings: 11 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had eleven updated listings. Of these, four were "one nighters." So far The Tracking News has counted a total of thirteen objects listed on the NEOCP at some point today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

New MPECs  on 21 December '08

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been five MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


<< DOU on 21 Dec. '08 >>  MPEC 2008-Y23 - "07:05 UT" - Daily Orbit Update

No observations of objects are reported.


MPEC 2008-Y22 - "02:19 UT" - 2008 HZ1


MPEC 2008-Y21 - "02:16 UT" - 2006 WA


MPEC 2008-Y20 - "00:42 UT" - Observations of Comets


MPEC 2008-Y19 - "00:32 UT" - Comet P/2008 X1 (Hill)

Observers  on 21 December '08

A total of 43 observing facilities appear in today's MPECs.

CodeObserver / observatory
834AAAA Buenos Aires Obs. in Argentina, 1 in MPEC 2008-Y20 -- C/2007 Q3
349Ageo Obs. in Japan, 7 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2008 J1, C/2008 A1, C/2007 N3, C/2005 L3, 209P, 19P
J24Altamira Obs. in Spain, 17 in MPEC 2008-Y20 -- C/2008 T2, P/2008 QP20, P/2008 Q2, C/2008 J1, C/2008 A1, C/2007 U1, C/2006 Q1, C/2006 OF2, C/2005 L3, 144P, 116P, 68P, 67P, 51P, 47P, 22P, 19P
I32Beta Orionis Obs. in Argentina, 1 in MPEC 2008-Y20 -- C/2007 Q3
235CAST Obs. in Italy, 11 in MPEC 2008-Y20 -- C/2008 T2, P/2008 QP20, P/2008 Q2, C/2006 W3, C/2006 OF2, 144P, 67P, 61P, 59P, 44P, 29P
493Calar Alto Obs. in Spain, 2 in MPECs 2008-Y21 & 2008-Y22 -- 2008 HZ1, 2006 WA
B20Carmelita Obs. in Spain, 6 in MPEC 2008-Y20 -- C/2008 T2, P/2008 QP20, C/2006 W3, C/2006 OF2, 144P, 29P
703Catalina Sky Survey in Arizona, 1 in MPEC 2008-Y20 -- P/2008 L2
A77Chante-Perdrix Obs. in France, 9 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2007 VO53, 202P, 144P, 117P, 59P, 44P, 29P, 6P
J27El Guijo Obs. in Spain, 2 in MPEC 2008-Y20 -- 59P, 44P
E94Gisborne Obs. in New Zealand, 1 in MPEC 2008-Y20 -- C/2007 Q3
E16Grove Creek Obs. in New South Wales, 1 in MPEC 2008-Y20 -- 206P
458Guadarrama Obs. in Spain, 1 in MPEC 2008-Y20 -- 29P
442Gualba Obs. in Spain, 1 in MPEC 2008-Y20 -- 29P
379Hamamatsu-Yuto Obs. in Japan, 3 in MPEC 2008-Y20 -- C/2007 U1, C/2006 W3, C/2006 OF2
J39Ingenio Obs. in the Canary Islands, 7 in MPEC 2008-Y20 -- C/2006 W3, C/2006 OF2, 205P, 144P, 67P, 59P, 29P
987Isle of Man Obs. on the Isle of Man, 1 in MPEC 2008-Y20 -- 61P
J28Jaen Obs. in Spain, 2 in MPEC 2008-Y20 -- C/2008 T2, C/2008 J1
415Kambah Obs. in the Australian Capital Territory, 2 in MPEC 2008-Y20 -- C/2007 Q3, 206P
704LINEAR in New Mexico, 5 in MPEC 2008-Y20 -- P/2008 QP20, C/2006 OF2, 44P, 19P, 15P
212La Dehesilla Obs. in Spain, 7 in MPEC 2008-Y20 -- C/2008 T2, P/2008 QP20, P/2008 Q2, C/2007 VO53, 202P, 51P, 44P
J38La Vara Obs. in Spain, 5 in MPEC 2008-Y20 -- C/2008 T2, C/2006 OF2, 205P, 144P, 29P
130Lumezzane Obs. in Italy, 1 in MPEC 2008-Y19 -- P/2008 X1
J40Malaga Obs. in Spain, 3 in MPEC 2008-Y20 -- 144P, 59P, 29P
232Masquefa Obs. in Spain, 3 in MPEC 2008-Y20 -- C/2006 OF2, 144P, 29P
J46Montana Blanca Obs. in the Canary Islands, 1 in MPEC 2008-Y20 -- 144P
213Montcabre Obs. in Spain, 3 in MPEC 2008-Y20 -- C/2006 OF2, 144P, 29P
945Monte Deva Obs. in Spain, 2 in MPEC 2008-Y20 -- C/2006 OF2, 29P
900Moriyama Obs. in Japan, 15 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2008 T2, P/2008 QP20, C/2008 J1, C/2008 A1, C/2007 U1, C/2006 OF2, 202P, 116P, 67P, 59P, 47P, 44P, 29P, 22P
D81Nagano Obs., 1 in MPEC 2008-Y20 -- C/2007 U1
J47Nazaret Obs. in Spain, 18 in MPEC 2008-Y20 -- P/2008 Q2, C/2008 P1, P/2008 L2, C/2008 J1, C/2008 A1, C/2007 U1, C/2006 OF2, 205P, 144P, 117P, 67P, 51P, 47P, 44P, 29P, 19P, 15P, 6P
423North Ryde Obs. in New South Wales, 2 in MPEC 2008-Y20 -- C/2008 P1, C/2007 Q3
B49Paus Obs. in Spain, 3 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2006 OF2, 29P
941Pla D'Arguines Obs. in Spain, 1 in MPEC 2008-Y20 -- 117P
939Rodeno Obs. in Spain, 8 in MPEC 2008-Y20 -- C/2008 R3, P/2008 Q2, C/2007 U1, C/2006 W3, 205P, 144P, 61P, 6P
233San Vito Obs. in Italy, 1 in MPEC 2008-Y20 -- C/2008 R3
B56Sant Pere Obs. in Spain, 1 in MPEC 2008-Y20 -- C/2006 OF2
B74Santa Maria de Montmagastrell Obs. in Spain, 5 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, 205P, 144P, 44P, 6P
204Schiaparelli Obs. in Italy, 4 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2006 Q1, 209P, 22P
071Smolyan Obs. in Bulgaria, 7 in MPEC 2008-Y20 -- C/2007 U1, C/2006 W3, C/2006 OF2, 144P, 67P, 61P, 29P
147Suno Obs. in Italy, 1 in MPEC 2008-Y19 -- P/2008 X1
H10Tzec Maun Obs. Mayhill in New Mexico, 2 in MPEC 2008-Y20 -- P/2008 Q2, 144P
367Yatsuka Obs., 11 in MPECs 2008-Y19 & 2008-Y20 -- P/2008 X1, C/2008 T2, C/2008 P1, C/2008 A1, C/2007 N3, C/2006 W3, C/2006 Q1, C/2006 OF2, C/2005 L3, 68P, 67P
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 21 December '08

At last check (NEODyS and JPL at 2358 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 December '08

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

1552Grabbed MPEC 2008-Y23 - Daily Orbit Update - see above
0342Grabbed MPEC 2008-Y19 - Comet P/2008 X1 (Hill) - see above
Grabbed MPEC 2008-Y20 - Observations of Comets - see above
Grabbed MPEC 2008-Y21 - 2006 WA - see above
Grabbed MPEC 2008-Y22 - 2008 HZ1 - see above