NASA reports that its Dawn spacecraft is expected to enter orbit early tomorrow UTC around the Main Belt's second largest asteroid, 4 Vesta (seen here in mission imagery from six days ago), following some recent difficulties. Image credit: NASA/JPL-Caltech / UCLA / MPS/DLR/IDA.
Contents on 15 July '11
- IAU Minor Planet Center
- Observers -- four observers
- Impact Risk Monitoring -- nothing to report
- Consolidated Risk Tables - the CRT page
Of 407 risk-listed objects, 12 have had news in the last 31 days. Updated at 1558 UTC on 15 July.
- Earth's Busy Neighborhood Traffic Report
One object is known to be within ten LD of Earth today. Updated at 1713 UTC on 15 July.
- Ephemerides for risk-rated and nearby objects
- News image catalog
- Old & new CRT Archive
- Old News Archive & Small Objects Archive
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 15 July '11
The MPC's NEO Confirmation Page has 3 listings
When last checked at 2359 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had three objects listed. Of these, one was a "one nighter." 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 15 July '11
Minor Planet Electronic Circulars
As of last check at 2359 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- Observations of recently (no longer) risk-listed objects
- K11L19C 2011 LC19 (Q=5.553 AU, arc=34 days, H=18.4 ~708m) from Astronomical Research Obs. Westfield (July 14.12-14p3)
- K11L19A 2011 LA19 (Q=4.829 AU, arc=35 days, H=19.3 ~467m) from ARO Westfield (July 14.10-11p4)
- Observations of other objects
- K11M00T 2011 MT (Q=4.861 AU, arc=22 days, H=19.4 ~446m) from Kevin Hills via RAS Obs. Moorook (July 14.63-64p2)
- K11L01J 2011 LJ1 (Q=4.085 AU, arc=40 days, H=19.3 ~467m) from ARO Westfield (July 14.15-16p3)
- K11J29P 2011 JP29 (arc=68 days, H=19.0 ~537m) from ARO Westfield (July 14.17-19p4)
- K08L16V 2008 LV16 (arc=2 opp, H=20.3 ~295m) from ARO Westfield (July 14.11-12p6) and Wishing Star Obs. (July 15.05-06p3)
- K04L00H 2004 LH (i=39.5°, arc=3 opp, H=18.8 ~589m) from ARO Westfield (July 14.13-15p4)
- 01036 1036 Ganymed (1924 TD) from Chinon Obs. (July 13.99-10p13)
Observers on 15 July '11
Four observers appear in today's MPEC.
|Code||Observer / observatory|
|H21||Astronomical Research Obs. Westfield in Illinois, 6 in MPEC 2011-N44 -- 2011 LJ1, 2011 LC19, 2011 LA19, 2011 JP29, 2008 LV16, 2004 LH|
|B92||Chinon Obs. in France, 1 in MPEC 2011-N44 -- 1036|
|D90`||Kevin Hills in England via RAS Obs. Moorook in South Australia, 1 in MPEC 2011-N44 -- 2011 MT|
|I15||Wishing Star Obs. in Rhode Island, 1 in MPEC 2011-N44 -- 2008 LV16|
|For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.|
Impact Risk Monitoring on 15 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 15 July '11
Times are UTC for when items were noted or added by The Tracking News.
|1558||Grabbed MPEC 2011-N44 - Daily Orbit Update - see above|