Contents  on 2 January '13

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 2 January '13

One object reported inside ten LD

One object is reported to be inside ten lunar distances (LD) of Earth today. Radar target 2012 XM55 is outbound from 6.52 to 7.09 LD. No other objects are known to be approaching ten LD until intruder 2012 DA14 (risk-listed radar target) arrives next month on the 8th.

This report was generated at 1627 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.

NEOCP Activity  on 2 January '13

The MPC's NEO Confirmation Page has 35 listings

When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 35 objects listed. Of these, nineteen were "one nighters." So far The Tracking News has counted a total of 47 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 2 January '13

Minor Planet Electronic Circulars

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


MPEC 2013-A10 - "20:51 UT" - 2013 AC


MPEC 2013-A09 - "20:22 UT" - 2012 YL7


MPEC 2013-A08 - "20:19 UT" - 2012 YK7


MPEC 2013-A07 - "20:16 UT" - 2012 YJ7


MPEC 2013-A06 - "20:13 UT" - 2012 YH7


<< DOU on 2 Jan. '13 >>  MPEC 2013-A05 - "06:01 UT" - Daily Orbit Update


MPEC 2013-A04 - "01:24 UT" - 2012 YD7

Observers  on 2 January '13

Eighteen observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 3 in MPECs 2013-A06, 2013-A09 & 2013-A10 -- 2013 AC, 2012 YL7, 2012 YH7
300Bisei Spaceguard Center in Japan, 8 in MPEC 2013-A05 -- 2012 US136, 2012 QO10, 2012 QF49, 2012 QB17, 2012 JS11, 330825, 214869, 5646
807|Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2013-A08 -- 2012 YK7
C18Frasnes-Lez-Anvaing Obs. in Belgium, 2 in MPEC 2013-A05 -- 203471, 4179
C73Galati Obs. in Romania, 4 in MPEC 2013-A05 -- 68267, 322775, 154144, 1620
J95Great Shefford Obs. in England, 3 in MPECs 2013-A04, 2013-A09 & 2013-A10 -- 2013 AC, 2012 YL7, 2012 YD7
704LINEAR in New Mexico, 13 in MPEC 2013-A05 -- 2012 HG8, 68267, 326777, 275558, 238063, 234341, 21277, 212546, 152667, 144411, 5836, 3352, 433
H01Magdalena Ridge Obs. (MRO) in New Mexico, 2 in MPECs 2013-A06 & 2013-A07 -- 2012 YJ7, 2012 YH7
568_Marco Micheli on Mauna Kea in Hawaii, 1 in MPEC 2013-A05 -- 2012 XY6
C91Montevenere Obs., 1 in MPEC 2013-A05 -- 192563
G96Mt. Lemmon Survey (MLS) in Arizona, 2 in MPECs 2013-A04 & 2013-A10 -- 2013 AC, 2012 YD7
J93Mt. Tuffley Obs. in England, 5 in MPEC 2013-A05 -- 52762, 203471, 154347, 137199, 4179
F51Pan-STARRS 1 (PS1) in Hawaii, 13 in MPECs 2013-A04, 2013-A05, 2013-A06, 2013-A07, 2013-A08, 2013-A09 & 2013-A10 -- 2013 AC, 2012 YL7, 2012 YK7, 2012 YJ7, 2012 YH7, 2012 YD7, 2012 XS134, 2012 SA59, 323179, 141354, 141052, 11054, 2212
D90`Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2013-A08 -- 2012 YK7
H36Sandlot Obs. in Kansas, 3 in MPECs 2013-A07, 2013-A08 & 2013-A10 -- 2013 AC, 2012 YK7, 2012 YJ7
J84South Obs. in England, 1 in MPEC 2013-A05 -- 2002 AY1
G56Walnut Creek Obs. in northern California, 1 in MPEC 2013-A05 -- 2012 XY6
718Wiggins Obs. in Utah, 1 in MPEC 2013-A05 -- 2012 XF112
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 2 January '13

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 2 January '13

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

2135Grabbed MPEC 2013-A06 - 2012 YH7 - see above
Grabbed MPEC 2013-A07 - 2012 YJ7 - see above
Grabbed MPEC 2013-A08 - 2012 YK7 - see above
Grabbed MPEC 2013-A09 - 2012 YL7 - see above
Grabbed MPEC 2013-A10 - 2013 AC - see above
1627Generated Traffic Report
1622Grabbed MPEC 2013-A05 - Daily Orbit Update - see above
0520Grabbed MPEC 2013-A04 - 2012 YD7 - see above