Contents  on 24 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 24 May '07

Minor-Object Science  on 24 May '07

NEOCP Activity  on 24 May '07

The MPC's NEO Confirmation Page has 8 listings: 3 new, 5 updated

When last checked at 2356 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had three new and five updated listings. Of these, four were "one nighters." Major News counted a total of twelve objects listed on the NEOCP at some point on this day.

New MPECs  on 24 May '07

Minor Planet Electronic Circulars

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


MPEC 2007-K46 - "22:59 UT" - Comets C/2006 Y15, 2006 Y16, 2006 Y17, 2007 A4, 2007 A5 (SOHO)


MPEC 2007-K45 - "22:42 UT" - Comets C/2006 Y10, 2006 Y11, 2006 Y12, 2006 Y13, 2006 Y14 (SOHO)


MPEC 2007-K44 - "21:23 UT" - 2007 KE4


MPEC 2007-K43 - "20:30 UT" - Observations of Comets


MPEC 2007-K42 - "20:19 UT" - Comet C/2007 JA21 (LINEAR)


MPEC 2007-K41 - "20:15 UT" - Comet P/2007 H3 (Garradd)


MPEC 2007-K40 - "20:06 UT" - Comet C/2007 G1 (LINEAR)


MPEC 2007-K39 - "19:59 UT" - Comet C/2007 E2 (Lovejoy)


MPEC 2007-K38 - "19:51 UT" - Comet C/2007 E1 (Garradd)


<< DOU on 24 May '07 >>  MPEC 2007-K37 - "06:07 UT" - Daily Orbit Update

Observers  on 24 May '07

A total of 48 observing facilities appeared in this day's MPECs.

349Ageo Obs. in Japan, 10 in MPECs 2007-K38, 2007-K40 & 2007-K43 -- C/2006 VZ13, C/2006 V1, C/2006 M4, C/2004 D1, C/2003 WT42, C/2002 VQ94, 99, 96, C/2007 G1, C/2007 E1
A39Altenburg Obs., 2 in MPECs 2007-K39 & 2007-K40 -- C/2007 G1, C/2007 E2
H55Astronomical Research Obs. in Illinois, 2 in MPEC 2007-K37 -- 2007 KV2, 2007 KW2
A74Bergen-Enkheim Obs. in Germany, 1 in MPEC 2007-K37 -- 2007 FK1
300Bisei Spaceguard Center in Japan, 2 in MPECs 2007-K38 & 2007-K39 -- C/2007 E2, C/2007 E1
432Boambee Obs. in New South Wales, 1 in MPEC 2007-K43 -- C/2006 V1
127Bornheim Obs. in Germany, 2 in MPECs 2007-K38 & 2007-K39 -- C/2007 E2, C/2007 E1
215Buchloe Obs. in Germany, 6 in MPECs 2007-K38, 2007-K39, 2007-K42 & 2007-K43 -- C/2007 B2, C/2006 V1, 96, C/2007 JA21, C/2007 E2, C/2007 E1
J79Calarreona Obs. in Spain, 3 in MPECs 2007-K38, 2007-K39 & 2007-K43 -- C/2007 B2, C/2007 E2, C/2007 E1
B20Carmelita Obs. in Spain, 2 in MPECs 2007-K39 & 2007-K40 -- C/2007 G1, C/2007 E2
703Catalina Sky Survey in Arizona, 3 in MPECs 2007-K43 & 2007-K44 -- 2007 KE4, C/2003 WT42, 99
A77Chante-Perdrix Obs. in France, 1 in MPEC 2007-K43 -- C/2003 WT42
850Cordell-Lorenz Obs. in Tennessee, 4 in MPECs 2007-K39 & 2007-K43 -- C/2003 WT42, C/2002 VQ94, 96, C/2007 E2
448Desert Moon Obs. in New Mexico, 5 in MPEC 2007-K37 -- 2007 KD, 2007 JJ35, 2007 GD49, 2007 EX, 2002 AQ3
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2007-K44 -- 2007 KE4
157Frasso Sabino Obs. in Italy, 2 in MPECs 2007-K40 & 2007-K42 -- C/2007 JA21, C/2007 G1
A17Guidestar Obs. in Germany, 2 in MPEC 2007-K37 -- 2007 KW2, 2006 WE129
355Hadano Obs. in Japan, 6 in MPECs 2007-K38, 2007-K39, 2007-K40 & 2007-K43 -- C/2006 VZ13, C/2003 WT42, 96, C/2007 G1, C/2007 E2, C/2007 E1
379Hamamatsu-Yuto Obs. in Japan, 2 in MPECs 2007-K39 & 2007-K43 -- C/2003 WT42, C/2007 E2
415Kambah Obs. in Australia, 5 in MPECs 2007-K41 & 2007-K43 -- C/2005 YW, C/2005 L3, 186, 99, P/2007 H3
585Kiev Comet Station in the Ukraine, 1 in MPEC 2007-K43 -- 96
352Konan Obs., 2 in MPECs 2007-K38 & 2007-K39 -- C/2007 E2, C/2007 E1
704LINEAR in New Mexico, 5 in MPECs 2007-K37 & 2007-K43 -- C/2004 B1, 96, 2007 DF8, 86829, 39796
J76La Murta Obs. in Spain, 4 in MPECs 2007-K39, 2007-K40 & 2007-K43 -- C/2006 V1, C/2005 L3, C/2007 G1, C/2007 E2
130Lumezzane Obs. in Italy, 2 in MPEC 2007-K37 -- 2006 WE129, 2000 KW43
232Masquefa Obs. in Spain, 1 in MPEC 2007-K38 -- C/2007 E1
A06Mataro Obs. in Spain, 2 in MPECs 2007-K39 & 2007-K43 -- 96, C/2007 E2
118Modra Obs. in Slovakia, 3 in MPECs 2007-K39, 2007-K40 & 2007-K42 -- C/2007 JA21, C/2007 G1, C/2007 E2
213Montcabre Obs. in Spain, 11 in MPECs 2007-K39, 2007-K40, 2007-K41, 2007-K42 & 2007-K43 -- C/2005 L3, C/2004 D1, C/2004 B1, C/2003 WT42, C/2002 VQ94, 99, 96, C/2007 JA21, P/2007 H3, C/2007 G1, C/2007 E2
G96Mt. Lemmon Survey in Arizona, 1 in MPEC 2007-K37 -- 4487
J78Murcia Obs. in Spain, 4 in MPECs 2007-K38, 2007-K39 & 2007-K43 -- C/2003 WT42, 96, C/2007 E2, C/2007 E1
A24New Millennium Obs. in Italy, 11 in MPECs 2007-K37, 2007-K39, 2007-K40 & 2007-K43 -- C/2004 B1, C/2003 WT42, 87, C/2007 G1, C/2007 E2, 2007 DB83, 2002 KF4, 154453, 154007, 40267, 39796
423North Ryde Obs. in New South Wales, 1 in MPEC 2007-K43 -- C/2005 YW
445Ontinyent Obs., 1 in MPEC 2007-K39 -- C/2007 E2
J53Posadas Obs. in Spain, 1 in MPEC 2007-K39 -- C/2007 E2
649Powell Obs. in Kansas, 1 in MPEC 2007-K43 -- C/2005 L3
473Remanzacco Obs. in Italy, 1 in MPEC 2007-K43 -- C/2003 WT42
J49Santa Pola Obs. in Spain, 1 in MPEC 2007-K39 -- C/2007 E2
E12Siding Spring Survey in New South Wales, 3 in MPECs 2007-K37, 2007-K41 & 2007-K43 -- 186, P/2007 H3, 2005 WR2
510Siegen Obs. in Germany, 1 in MPEC 2007-K39 -- C/2007 E2
2492LASCO Coronagraph 2 via the Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 8 in MPECs 2007-K45 & 2007-K46 -- C/2007 A4, C/2006 Y16, C/2006 Y15, C/2006 Y14, C/2006 Y13, C/2006 Y12, C/2006 Y11, C/2006 Y10
2493LASCO Coronagraph 3 via the Solar & Heliospheric Obs. in Earth-Sun L1 HALO orbit, 7 in MPECs 2007-K45 & 2007-K46 -- C/2007 A5, C/2007 A4, C/2006 Y17, C/2006 Y15, C/2006 Y13, C/2006 Y11, C/2006 Y10
291Spacewatch 1.8m telescope in Arizona, 3 in MPEC 2007-K37 -- 2007 KV2, 2007 KD2, 2007 HF15
A97Stammersdorf Obs. in Austria, 1 in MPEC 2007-K39 -- C/2007 E2
361Sumoto Obs. in Japan, 4 in MPECs 2007-K39 & 2007-K43 -- C/2006 VZ13, C/2002 VQ94, 96, C/2007 E2
6735Jim Young via Table Mtn. Obs. in southern California, 1 in MPEC 2007-K37 -- 2006 WE129
B26Terres Blanches Obs. in France, 1 in MPEC 2007-K43 -- C/2006 V1
A03Torredembarra Obs., 4 in MPECs 2007-K39, 2007-K40, 2007-K42 & 2007-K43 -- C/2004 D1, C/2007 JA21, C/2007 G1, C/2007 E2
H47Vicksburg Obs. in Mississippi, 6 in MPECs 2007-K39, 2007-K40 & 2007-K43 -- C/2006 V1, C/2003 WT42, C/2002 VQ94, 96, C/2007 G1, C/2007 E2

Impact Risk Monitoring  on 24 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 KV2JPL1307209224.0e-10-9.54-9.680JPL: "Analysis based on 18 observations spanning 2.8492 days (2007-May-21.35472 to 2007-May-24.20395)." Diameter approximately 0.038 km. from mean, weighted H=24.8.
2007 KE4JPL23562026-2103151.3e-05-4.63-4.830JPL: "Analysis based on 14 observations spanning .53419 days (2007-May-24.32711 to 2007-May-24.8613)." Diameter approximately 0.034 km. from mean, weighted H=25.0.
2004 XN44JPL03422009-206384.3e-09-4.10-4.510JPL: "Analysis based on 17 observations spanning 1.9567 days (2004-Dec-13.253512 to 2004-Dec-15.210231)." Diameter approximately 0.740 km. from mean, weighted H=18.3.

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 24 May '07

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

2356Noted that JPL has posted 2007 KE4 as an impact risk - see above
2317Grabbed MPEC 2007-K45 - Comets C/2006 Y10, 2006 Y11, 2006 Y12, 2006 Y13, 2006 Y14 (SOHO) - see above
Grabbed MPEC 2007-K46 - Comets C/2006 Y15, 2006 Y16, 2006 Y17, 2007 A4, 2007 A5 (SOHO) - see above
2235Grabbed MPEC 2007-K44 - 2007 KE4 - see above
2047Grabbed MPEC 2007-K38 - Comet C/2007 E1 (Garradd) - see above
Grabbed MPEC 2007-K39 - Comet C/2007 E2 (Lovejoy) - see above
Grabbed MPEC 2007-K40 - Comet C/2007 G1 (LINEAR) - see above
Grabbed MPEC 2007-K41 - Comet P/2007 H3 (Garradd) - see above
Grabbed MPEC 2007-K42 - Comet C/2007 JA21 (LINEAR) - see above
Grabbed MPEC 2007-K43 - Observations of Comets - see above
1914Added link to news story, "Planetary Society Asteroid Tagging Contest Generates Worldwide Interest"
Added link to news story, "It came like yesterday"
Added link to news story, "Ice Age Idea Sure To Make An Impact On Scientists"
Added link to news story, "Texas Astronomers Discover Multi-Planet System Around Unexpected Star"
1421Added link to news story, "A Brown Dwarf Joins the Jet-Set"
Added link to news story, "Ancient Meteor Blast May Have Caused Extinctions"
1307Noted that JPL has updated its 2007 KV2 risk assessment - see above
Grabbed MPEC 2007-K37 - Daily Orbit Update - see above
0406Added MOS paper, "Testing Gravity in the Outer Solar System: Results from Trans-Neptunian Objects" - see above
0342Noted that JPL has updated its 2004 XN44 risk assessment - see above