<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

Contents  on 31 October '07

• IAU Minor Planet Center
  • NEOCP Activity -- five listings: 1 new, 4 updated
  • New MPECs -- three MPECs
  • Observers -- twelve observing facilities
• Impact Risk Monitoring -- two objects reported
• Chronology

Resources:

• Consolidated Risk Tables - CRT page
• Old & new CRT Archive
• Ephemerides for risk-rated objects
• Old News Archive & Small Objects Archive

  Note: Due to travel, this Web site and its news pages will update less frequently and at sometimes irregular intervals during the rest of October and early November.

The latest news: framed access (best),  RSS news feed (flags updates), or redirection - Note: A/CC has a main Web site and a backup site, which now has its own backup 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 this year 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.

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

NEOCP Activity  on 31 October '07

The MPC's NEO Confirmation Page has 5 listings: 1 new, 4 updated

When last checked at 2058 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had one new and four updated listings. Of these, four were "one nighters." So far The Tracking News has counted a total of six objects listed on the NEOCP at some point today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

New MPECs  on 31 October '07

Minor Planet Electronic Circulars

As of last check at 2058 UTC, there have been three MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

• MPEC 2007-U95 time-stamped "00:20 UT" - 2007 UQ13 - see below
• MPEC 2007-U96 time-stamped "06:09 UT" - Daily Orbit Update - see below
• MPEC 2007-U97 time-stamped "19:12 UT" - 2007 UK40

MPEC 2007-U97 - "19:12 UT" - 2007 UK40

• K07U40K   2007 UK40 (small asteroid, H=23.1 ~81m) was discovered at 0626 UT on 31 Oct. by the Catalina Sky Survey (CSS), which observed it at Oct. 31.27-29p4, 31.37p3, and 31.43-45p8. The discovery was confirmed by the Mt. Lemmon Survey (MLS) (Oct. 31.36-38p8) and Eschenberg Obs. (Oct. 31.78p3).

<< DOU on 31 Oct. '07 >>  MPEC 2007-U96 - "06:09 UT" - Daily Orbit Update

• Observations of risk-listed objects
• K07U12N   2007 UN12 (small asteroid, arc=9 days, H=28.7 ~6m) from MLS (Oct. 30.36-40p3)
• K07U12L   2007 UL12 (q=0.385 AU, arc=5 days, H=20.6 ~257m) from Astronomical Research Obs. (ARO) (Oct. 30.25p3)
• Observations of recently (no longer) risk-listed objects
• K07T24Y   2007 TY24 (small asteroid, arc=19 days, H=25.3 ~29m) from ARO (Oct. 30.24-27p3 at V=22.2-3)
• K07T23L   2007 TL23 (q=0.299 AU, arc=17 days, H=21.4 ~178m) from ARO (Oct. 28.06-07p3)
• K07T18X   2007 TX18 (arc=21 days, H=17.3 ~1.17 km) from Petit Jean Mtn. South Obs. (PJMSO) (Oct. 30.35-36p5)
• Observations of small asteroids (H>22.0)
• K07U06P   2007 UP6 (arc=6 days, H=22.9 ~89m) from ARO (Oct. 28.21-22p3)
• K07U06G   2007 UG6 (arc=9 days, H=23.0 ~85m) from ARO (Oct. 28.13p3) and CSS (Oct. 30.30-32p4)
• K07U03S   2007 US3 (arc=9 days, H=22.3 ~117m) from ARO (Oct. 28.10-11p3)
• K07T71E   2007 TE71 (arc=16 days, H=24.3 ~47m) from ARO (Oct. 30.10-14p3 at V=22.3-5)
• K07T68V   2007 TV68 (Q=4.097 AU, arc=17 days, H=23.0 ~85m) from the Spacewatch 0.9m telescope (Oct. 30.30-34p3)
• K07R08Z   2007 RZ8 (arc=51 days, H=23.8 ~59m) from ARO (Oct. 30.03-06p3 at V=22.4-5)
• Observations of almost-small asteroids (21.7<H<=22.0)
• K07U12S   2007 US12 (arc=1 day, H=22.0 ~135m) from Guidestar Obs. (Oct. 30.84-85p3)
• Observations of other objects
• K07U06S   2007 US6 (arc=16 days, H=18.2 ~776m) from LINEAR (Oct. 30.16-18p3)
• K07U06B   2007 UB6 (arc=9 days, H=20.0 ~339m) from ARO (Oct. 28.24-25p3)
• K07U02A   2007 UA2 (arc=22 days, H=20.9 ~224m) from ARO (Oct. 28.17-18p3)
• K07T18Z   2007 TZ18 (arc=19 days, H=21.0 ~214m) from ARO (Oct. 28.26-27p3)
• K07T15K   2007 TK15 (arc=22 days, H=21.2 ~195m) from Spacewatch 0.9m (Oct. 30.20-24p3)
• K07T15G   2007 TG15 (arc=23 days, H=19.6 ~407m) from Thompsonville Obs. (Oct. 29.18-20p6) and PJMSO (Oct. 31.22-23p6)
• K07T08G   2007 TG8 (Q=4.306 AU, arc=48 days, H=18.8 ~589m) from PJMSO (Oct. 31.17-18p6)
• K07RD3Q   2007 RQ133 (Q=4.579 AU, arc=43 days, H=18.7 ~616m) from ARO (Oct. 28.18-20p3)
• K07RD3P   2007 RP133 (Q=4.022 AU, arc=43 days, H=20.8 ~234m) from ARO (Oct. 28.21-23p3)
• K07R17U   2007 RU17 (q=0.356 AU, arc=47 days, H=18.2 ~776m) from MLS (Oct. 30.18-20p4)
• K07R12U   2007 RU12 (arc=48 days, H=19.9 ~355m) from PJMSO (Oct. 30.21-22p6) and CSS (Oct. 30.39-41p3)
• K07R09V   2007 RV9 (arc=48 days, H=20.1 ~323m) from ARO (Oct. 28.04-05p3)
• K07R05F   2007 RF5 (arc=56 days, H=18.4 ~708m) from Thompsonville Obs. (Oct. 22.20p5) and PJMSO (Oct. 30.24-26p6 & 31.20-21p7)
• K07P11U   2007 PU11 (Q=4.384 AU, arc=3 opp, H=16.3 ~1.86 km) from Thompsonville Obs. (Oct. 22.22-23p6), PJMSO (Oct. 30.32-33p6), and CSS (Oct. 30.39-42p4)
• K07L32R   2007 LR32 (arc=159 days, H=17.2 ~1.23 km) from Thompsonville Obs. (Oct. 28.06-08p6) and PJMSO (Oct. 31.18-20p6)
• K05X80L   2005 XL80 (arc=2 opp, H=18.1 ~812m) from Spacewatch 0.9m (Oct. 30.31-34p3)
• K04K01E   2004 KE1 (arc=2 opp, H=21.6 ~162m) from PJMSO (Oct. 30.26-27p5)
• K03W07M   2003 WM7 (q=0.304 AU, Q=4.668 AU, arc=3 opp, H=17.4 ~1.12 km) from MLS (Oct. 30.43-47p4)
• K02U31A   2002 UA31 (arc=4 opp, H=19.0 ~537m) from Thompsonville Obs. (Oct. 29.06-09p6) and PJMSO (Oct. 31.17p5)
• K02RB8C   2002 RC118 (Q=4.624 AU, arc=2 opp, H=16.7 ~1.55 km) from North Obs. (Oct. 29.92p3) and PJMSO (Oct. 30.28-29p5)
• J99A10Q   1999 AQ10 (arc=3 opp, H=20.4 ~282m) from ARO (Oct. 28.32-33p3)
• J96T11Y   1996 TY11 (arc=6 opp, H=19.4 ~446m) from ARO (Oct. 28.29-35p7)
• G8044   168044 2005 SG from PJMSO (Oct. 30.23-24p5)
• E3678   143678 2003 SA224 from PJMSO (Oct. 30.34-35p5)
• D8883   138883 2000 YL29 from Thompsonville Obs. (Oct. 28.02-03p6)
• 99907   99907 1989 VA from North Obs. (Oct. 29.90-91p5)
• 06489   6489 Golevka (1991 JX) from MLS (Oct. 30.28-30p4)
• 02340   2340 Hathor (1976 UA) from Montana Blanca Obs. (Oct. 30.81p1)

MPEC 2007-U95 - "00:20 UT" - 2007 UQ13

• K07U13Q   2007 UQ13 (H=19.8 ~371m) was discovered at 0832 UT on 30 Oct. by the MLS, which observed it at Oct. 30.36-40p4 and 30.47-48p4. The discovery was confirmed by Great Shefford Obs. (Oct. 30.86-88p3).

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

Observers  on 31 October '07

Twelve observing facilities appear in today's MPECs.

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

Impact Risk Monitoring  on 31 October '07

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

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant 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" to learn more.

<<   Top | Contents | NEOCP | MPECs | Observers | Risks | Chronology | Index   >>

Chronology  on 31 October '07

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