SOFIA 2.5 telescope close-up 
& in flight. Credit: NASA/Dryden

It was reported yesterday that the U.S.-German joint NASA-DLR SOFIA airborne observatory saw (nighttime in-flight) first light on May 26th. These images of the 2.5-meter, 17-ton infrared telescope and the much modified Boeing 747SP aircraft are credited to NASA/Dryden, Tom Tschida from May 20th (left) and Jim Ross from April 14th this year.

Contents  on 29 May '10


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 May '10

The MPC's NEO Confirmation Page has 14 listings: 9 new, 5 updated

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had nine new and five updated listings. Of these, four were "one nighters."

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 May '10

Minor Planet Electronic Circulars

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

MPEC 2010-K74 - "15:50 UT" - PHAs

MPEC 2010-K73 - "15:50 UT" - Unusual Minor Planets

MPEC 2010-K72 - "15:50 UT" - Amors

MPEC 2010-K71 - "15:50 UT" - Atens and Apollos

MPEC 2010-K70 - "15:44 UT" - Distant Minor Planets

MPEC 2010-K69 - "15:40 UT" - Observable Comets

<< DOU on 29 May '10 >>  MPEC 2010-K68 - "06:09 UT" - Daily Orbit Update

Observers  on 29 May '10

Five observing facilities appear in today's MPEC.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 1 in MPEC 2010-K68 -- 2004 XD50
432Boambee Obs. in New South Wales, 2 in MPEC 2010-K68 -- 2009 CQ5, 2005 GO21
160Castelmartini Obs. in Italy, 3 in MPEC 2010-K68 -- 2010 FC81, 2009 KD5, 237442
J95Great Shefford Obs. in England, 1 in MPEC 2010-K68 -- 2010 KQ
5682David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2010-K68 -- 2010 EH20
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 29 May '10

At last check (JPL at 2358 and NEODyS 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 May '10

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

1600Grabbed MPEC 2010-K69 - Observable Comets - see above
Grabbed MPEC 2010-K70 - Distant Minor Planets - see above
Grabbed MPEC 2010-K71 - Atens and Apollos - see above
Grabbed MPEC 2010-K72 - Amors - see above
Grabbed MPEC 2010-K73 - Unusual Minor Planets - see above
Grabbed MPEC 2010-K74 - PHAs - see above
1445Grabbed MPEC 2010-K68 - Daily Orbit Update - see above