Contents  on 25 May '07

WELCOME to A/CC's prototype daily news publication designed to be the viewing end of a planned autonomous 24-hour news service. The new tools and this publication format are working well enough now to share with readers. It is expected that this approach will require less time to maintain than our previous news and small asteroid pages, which were retired on May 14th. There's still more development ahead and there probably will be some glitches along the way, but this is what's needed to keep up with the increasing pace of minor-object news. The CRT page will be maintained separately for a little while longer, until all of this is working smoothly. And the CRT and small-asteroid ephemerides will be kept going.

Minor-Object News  on 25 May '07

Minor-Object Science  on 25 May '07

No science papers were available or prepared today.

NEOCP Activity  on 25 May '07

The MPC's NEO Confirmation Page has 6 listings: 2 new, 4 updated

When last checked at 2355 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had two new and four updated listings. Of these, four were "one nighters." Major News counted a total of ten objects listed on the NEOCP at some point on this day.

New MPECs  on 25 May '07

Minor Planet Electronic Circulars

There were eight MPECs issued this day from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2007-K54 - "22:40 UT" - Comets C/2007 C3, 2007 C4, 2007 C5, 2007 C6 (SOHO)


MPEC 2007-K53 - "22:33 UT" - Comets C/2007 A6, 2007 B4, 2007 B5, 2007 B6 (SOHO)


MPEC 2007-K52 - "20:45 UT" - Comet P/2007 K2 (Gibbs)


MPEC 2007-K51 - "20:38 UT" - Comet C/2007 K1 (Lemmon)


MPEC 2007-K50 - "20:09 UT" - 2007 FD


MPEC 2007-K49 - "17:00 UT" - 2007 KO4


MPEC 2007-K48 - "16:42 UT" - 2007 KN4


<< DOU on 25 May '07 >>  MPEC 2007-K47 - "06:08 UT" - Daily Orbit Update

Observers  on 25 May '07

A total of 33 observing facilities appeared in this day's MPECs.

6581.8m Plaskett Telescope in British Columbia, 2 in MPECs 2007-K51 & 2007-K52 -- P/2007 K2, C/2007 K1
A44Altschwendt Obs. in Austria, 2 in MPECs 2007-K47 & 2007-K51 -- C/2007 K1, 2007 KE4
H55Astronomical Research Obs. in Illinois, 14 in MPECs 2007-K47, 2007-K51 & 2007-K52 -- P/2007 K2, C/2007 K1, 2007 KD2, 2007 KE, 2007 GU4, 2007 HX4, 2007 GC, 2005 LR3, 2002 KF4, 2002 HQ11, 2001 SD170, 2000 DJ8, 1993 GD, 101873
A74Bergen-Enkheim Obs. in Germany, 1 in MPEC 2007-K51 -- C/2007 K1
703Catalina Sky Survey in Arizona, 9 in MPECs 2007-K47, 2007-K48, 2007-K51 & 2007-K52 -- P/2007 K2, C/2007 K1, 2007 KN4, 2006 WO127, 2005 LR3, 2004 FX31, 137170, 4947, 3551
850Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2007-K52 -- P/2007 K2
448Desert Moon Obs. in New Mexico, 5 in MPEC 2007-K47 -- 2007 KJ, 2007 FL1, 2007 FE1, 2004 PT42, 2004 MF6
734Farpoint Obs. in Kansas, 1 in MPEC 2007-K51 -- C/2007 K1
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2007-K51 -- C/2007 K1
J95Great Shefford Obs. in England, 4 in MPECs 2007-K47 & 2007-K51 -- C/2007 K1, 2007 KE4, 2007 KV2, 2007 JG16
A17Guidestar Obs. in Germany, 1 in MPEC 2007-K51 -- C/2007 K1
511Haute Provence Obs. in Germany, 6 in MPEC 2007-K47 -- 2007 HX82, 2007 HX4, 2007 FL1, 2007 FE1, 2006 VY13, 2006 HR29
246KLENOT in the Czech Republic, 1 in MPEC 2007-K51 -- C/2007 K1
G88LAMP Obs. in Arizona, 1 in MPEC 2007-K47 -- 2006 WE129
704LINEAR in New Mexico, 3 in MPEC 2007-K47 -- 2007 HX82, 2004 ST9, 85275
699LONEOS in Arizona, 1 in MPEC 2007-K52 -- P/2007 K2
D35Lulin Sky Survey in Taiwan, 1 in MPEC 2007-K47 -- 2007 KW2
568Mauna Kea in Hawaii, 1 in MPEC 2007-K47 -- 2002 GH1
932McCarthy Obs. in Connecticut, 1 in MPEC 2007-K47 -- 2006 WE129
G96Mt. Lemmon Survey in Arizona, 4 in MPECs 2007-K47, 2007-K49, 2007-K51 & 2007-K52 -- P/2007 K2, C/2007 K1, 2007 KO4, 2007 HB
608NEAT's USAF Haleakala telescope in Hawaii, 1 in MPEC 2007-K50 -- 2007 FD
A24New Millennium Obs. in Italy, 3 in MPEC 2007-K47 -- 2006 SH7, 2212, 1627
H45Petit Jean Mtn. South Obs. in Arkansas, 9 in MPEC 2007-K47 -- 2007 JJ35, 2007 JZ20, 2006 WO127, 2002 KF4, 2000 KW43, 1998 UL1, 145656, 138883, 86829
649Powell Obs. in Kansas, 1 in MPEC 2007-K51 -- C/2007 K1
473Remanzacco Obs. in Italy, 3 in MPECs 2007-K47, 2007-K51 & 2007-K52 -- P/2007 K2, C/2007 K1, 2007 KE4
H36Sandlot Obs. in Kansas, 1 in MPEC 2007-K48 -- 2007 KN4
260&Rob Matson in California using the Siding Spring Digital Sky Survey in New South Wales, 1 in MPEC 2007-K50 -- 2007 FD
E12Siding Spring Survey in New South Wales, 2 in MPEC 2007-K47 -- 2007 EX, 2007 DS84
2492LASCO Coronagraph 2 via the Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 4 in MPECs 2007-K53 & 2007-K54 -- C/2007 C6, C/2007 C3, C/2007 B6, C/2007 A6
2493LASCO Coronagraph 3 via the Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 7 in MPECs 2007-K53 & 2007-K54 -- C/2007 C6, C/2007 C5, C/2007 C4, C/2007 C3, C/2007 B6, C/2007 B5, C/2007 B4
291Spacewatch 1.8m telescope in Arizona, 7 in MPECs 2007-K47 & 2007-K51 -- C/2007 K1, 2007 JW9, 2004 LK, 2007 JF16, 2007 HF44, 2005 GC141, 2002 RC118
673Table Mtn. Obs. in southern California, 1 in MPEC 2007-K51 -- C/2007 K1
F85Tiki Obs. in Tahiti, 1 in MPEC 2007-K52 -- P/2007 K2
6967Tim Spahr via Whipple Obs. in Arizona, 2 in MPECs 2007-K47 & 2007-K50 -- 2007 FD, 2007 FD

Impact Risk Monitoring  on 25 May '07

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS and JPL at 2356 UTC)
Note that the time horizon for JPL is 100 years from today and for NEODyS is usually the year 2080.
For the latest official risk assessments, see the JPL NEO Program Sentry and NEODyS CLOMON (backup) risk pages.
0000NNN000

Object

Risk
Monitor
When
Noted
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Today's Latest Risk Assessments
2007 KV2JPL1422R E M O V E DJPL: Risk listing removed at 1028 UTC.
2007 KO4JPL20522015-21062953.9e-06-4.25-4.510JPL: "Analysis based on 14 observations spanning 3.0066 days (2007-May-22.26517 to 2007-May-25.27172)." Diameter approximately 0.075 km. from mean, weighted H=23.3.
2007 KE4JPL14222026-2103141.6e-05-4.62-4.840JPL: "Analysis based on 25 observations spanning .60417 days (2007-May-24.32711 to 2007-May-24.93128)." Diameter approximately 0.031 km. from mean, weighted H=25.2.
NEODyS1422202939.07e-06-4.83-4.900NEODyS: "Based on 25 optical observations (of which 0 are rejected as outliers) from 2007/05/24.328 to 2007/05/24.932."

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

For a list of all risk-rated objects recently in view, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from an orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more about all this.

Chronology  on 25 May '07

Times are UTC for when the items were noted by Major News.

2355Grabbed MPEC 2007-K53 - Comets C/2007 A6, 2007 B4, 2007 B5, 2007 B6 (SOHO) - see above
Grabbed MPEC 2007-K54 - Comets C/2007 C3, 2007 C4, 2007 C5, 2007 C6 (SOHO) - see above
2111Grabbed MPEC 2007-K52 - Comet P/2007 K2 (Gibbs) - see above
2052Noted that JPL has posted 2007 KO4 as an impact risk - see above
Grabbed MPEC 2007-K51 - Comet C/2007 K1 (Lemmon) - see above
2027Grabbed MPEC 2007-K50 - 2007 FD - see above
2022Added news report, "Small asteroids"
Added link to news story, "Did a One-Two Punch Form the Solar System?"
Added link to news story, "Asteroid discovered by UNT grad student"
Added link to news story, "Quebec crater is out of this world"
1711Grabbed MPEC 2007-K48 - 2007 KN4 - see above
Grabbed MPEC 2007-K49 - 2007 KO4 - see above
1422Noted that JPL has updated its 2007 KE4 risk assessment - see above
Noted that NEODyS has posted 2007 KE4 as an impact risk - see above
Noted that JPL has removed 2007 KV2 as an impact risk - see above
Grabbed MPEC 2007-K47 - Daily Orbit Update - see above