Contents  on 3 December '12

Asteroid/Comet Connection (A/CC) 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.

Traffic Report  on 3 December '12

No objects reported inside ten LD

There are no objects reported to be within ten lunar distances (LD) of our planet today. Coming our way next, 2009 BS5 arrives inside ten LD on December 7th.

This report was updated at 2344 UTC with radar follow-up for now departed 2012 WH1. Today's first traffic report was generated at 1601 UTC.


Notes: Ten times the distance to the Moon (ten LD) has no astronomical significance but is a useful reporting boundary. Object distances are interpreted by A/CC from JPL Horizons data. See also current sky chart and object details (alt-details), ephemerides, and today's timeline.

Radar Astrometry  on 3 December '12

Radar observation of one object

The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:


Data update noted at 2301 UTC when the database was dated 3 Dec.

NEOCP Activity  on 3 December '12

The MPC's NEO Confirmation Page has 8 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had eight objects listed. Of these, one was a "one nighter." So far The Tracking News has counted a total of twelve listings on the NEOCP today.

New MPECs  on 3 December '12

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 2012-X07 - "18:59 UT" - 2012 XB


MPEC 2012-X06 - "18:56 UT" - 2012 XA


MPEC 2012-X05 - "18:53 UT" - 2012 WE33


<< DOU on 3 Dec. '12 >>  MPEC 2012-X04 - "06:02 UT" - Daily Orbit Update

Observers  on 3 December '12

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

CodeObserver / observatory
251Arecibo in Puerto Rico, 1 in radar -- 2012 WH1
H21Astronomical Research Obs. Westfield in Illinois, 8 in MPEC 2012-X04 -- 2003 UC20, 52761, 345705, 237442, 153958, 152667, 141052, 137199
703Catalina Sky Survey (CSS) in Arizona, 15 in MPEC 2012-X04 -- 2012 VZ25, 2012 VJ82, 2012 VF37, 2008 XE2, 2008 UL90, 345813, 333358, 17511, 163364, 153306, 138852, 137052, 137044, 5646, 3199
807|Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 2 in MPECs 2012-X06 & 2012-X07 -- 2012 XB, 2012 XA
448Desert Moon Obs. in New Mexico, 5 in MPEC 2012-X04 -- 2012 VM82, 2006 YT13, 2005 XE1, 2003 SL215, 1998 VE31
G48Doc Greiner Research Obs. Rancho Hildalgo (DGRO-RH) in New Mexico, 2 in MPECs 2012-X04 & 2012-X06 -- 2012 XA, 2012 VJ82
I19El Gato Gris Obs. in Argentina, 1 in MPEC 2012-X06 -- 2012 XA
J95Great Shefford Obs. in England, 1 in MPEC 2012-X05 -- 2012 WE33
704LINEAR in New Mexico, 2 in MPEC 2012-X04 -- 87684, 5131
G38La Senda Obs., 2 in MPEC 2012-X04 -- 330825, 329338
G96Mt. Lemmon Survey (MLS) in Arizona, 9 in MPECs 2012-X04, 2012-X05, 2012-X06 & 2012-X07 -- 2012 XB, 2012 XA, 2012 WE33, 2012 VF77, 137052, 8034, 4660, 3360, 2212
A24New Millennium Obs. in Italy, 2 in MPECs 2012-X05 & 2012-X06 -- 2012 XA, 2012 WE33
H45Petit Jean Mtn. South Obs. in Arkansas, 1 in MPEC 2012-X04 -- 2012 QF49
H06RAS Obs. Mayhill in New Mexico, 2 in MPEC 2012-X04 -- 345705, 214869
H06.Cristovao Jacques in Brazil via RAS Obs. Mayhill in New Mexico, 1 in MPEC 2012-X06 -- 2012 XA
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2012-X04 -- 2012 WP3
H36Sandlot Obs. in Kansas, 2 in MPECs 2012-X04 & 2012-X06 -- 2012 XA, 2012 VA5
204Schiaparelli Obs. in Italy, 7 in MPECs 2012-X04, 2012-X05 & 2012-X06 -- 2012 XA, 2012 WH, 2012 WE33, 2012 UW27, 2012 TQ78, 2003 TJ2, 1999 CT8
E12Siding Spring Survey in New South Wales, 1 in MPEC 2012-X04 -- 2012 WL4
291Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2012-X04 -- 2012 VL6
I76Tesla Obs. in Spain, 2 in MPEC 2012-X04 -- 2012 TA219, 2012 SA59
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 3 December '12

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 3 December '12

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

2344Updated Traffic Report
2301Noted Radar Astrometry database update - see above
1931Grabbed MPEC 2012-X07 - 2012 XB - see above
1900Grabbed MPEC 2012-X05 - 2012 WE33 - see above
Grabbed MPEC 2012-X06 - 2012 XA - see above
1600Grabbed MPEC 2012-X04 - Daily Orbit Update - see above