Contents on 3 August '07
- Minor-Object News -- nine items
- Minor-Object Science -- two papers
- IAU Minor Planet Center
- NEOCP Activity -- one listing: 1 new
- New MPECs -- eight MPECs
- Observers -- 52 observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
Resources:
- Consolidated Risk Tables - CRT page
- Ephemerides for risk-rated objects
- Ephemerides for small asteroids
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.
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.
Minor-Object News on 3 August '07
- "NASA plans 'Armageddon' spacecraft to blast asteroid," Flight International 3 Aug. - Quote: "NASA's Marshall Space Flight Center has designed a nuclear-warhead-carrying spacecraft ... to deflect an asteroid that could threaten all life on Earth." - Note: While the article emphasis is on stand-off explosions with six 1.2-megaton nuclear warheads, it also mentions alternate kinetic impactor and solar ablation missions in the same planning, as well as an observation precursor mission to determine which of these approaches might have the best success. An unspecified "report" is given as the source for this article.
- "See Several Shooting Star Shows," Space.com 3 Aug. - Quote: "This year experts predict an excellent Perseids display, as peak activity will coincide with a new moon, meaning dark skies that allow the meteors to shine. Meanwhile, there are other lesser-known summer meteor displays to check out right now."
- "Brian May, Queen legend, hands in star thesis," London Telegraph 3 Aug. - Quote: "If assessors approve the work, which shows that dust clouds in the solar system are moving in the same direction as the planets, the famous guitarist will finally receive his PhD in August next year."
- "Queen star hands in science PhD," BBC News 3 Aug. - Quote: "He is scheduled to discuss his thesis -- titled Radial Velocities in the Zodiacal Dust Cloud -- with the examining board on 23 August."
- "The sun rises on the University of Arizona," Arizona Capitol Times 3 Aug. - Quote: "On Oct. 1, 1891, the University of Arizona opened its doors... A generous gift from Lavinia Steward in 1916 established the Steward Observatory. The construction of the observatory, which was delayed because of World War I, was completed in 1923. The 36-inch reflecting telescope was the first astronomical telescope to have been built using American made products." - Note: That 0.9-meter telescope is used today by Spacewatch on Kitt Peak.
- "Ex-Astronaut's Lonely Mission: Save Earth From Asteroid Strike," Wired News 3 Aug. - Quote: "[99942] Apophis has been a tremendous learning opportunity for the (near-Earth asteroid) community. It exemplifies the kind of challenge we will encounter in the future. There will be tens of thousands of near-Earth asteroids discovered in the next 10 to 20 years ... and we will definitely find some that will be more threatening."
- "Book Review: 'Lives of the Planets'," CNS at Bend Weekly 3 Aug. - Quote: "If there is an overarching theme to "Planets," it is the unsurprising notion that space exploration is a necessary and noble human endeavor. The solar system is our neighborhood, and we should know it, [Richard] Corfield argues."
- "Meteorite found in Punjab," Zee News 3 Aug. - Quote: "Villagers in Hotitur in Sangrur district of Punjab discovered on Friday, what they claim is a meteorite. The piece of sparkling stone ... was immediately taken into custody by the police."
- "Man finds 1,800-pound meteorite," Record-Courier 2 Aug. - Quote: "[Bob Yocum] said he found an 1,800-pound meteorite ... with his omni-range master mineral locator [while] two miles from the meteorite... Yocum said the largest meteorite he's ever found is 10-12 tons, but that he didn't remove it." - Note: Sounds like somebody's pulling somebody's leg.
Minor-Object Science on 3 August '07
- " A Comprehensive View of Circumstellar Disks in Chamaeleon I: Infrared Excess, Accretion Signatures and Binarity" by Damjanov, Ivan with Ray Jayawardhana, Alexander Scholz & 4 others, abstract & PDF at arXiv.org 3 Aug. - Quote: "We present a comprehensive study of disks around 81 young low-mass stars and brown dwarfs in the nearby ~2-Myr-old Chamaeleon I star-forming region... Diskless and disk-bearing objects have similar spatial distributions. There are no obvious transition disks in our sample, implying a rapid timescale for the inner disk clearing process; however, we find two objects [which may have] grain growth and dust settling in the inner disk. For a sub-sample of 35 objects with high-resolution spectra, we investigate the connection between accretion signatures and dusty disks: in the vast majority of cases (29/35) the two are well correlated, suggesting that, on average, the timescale for gas dissipation is similar to that for clearing the inner dust disk. The exceptions are six objects for which dust disks appear to persist even though accretion has ceased or dropped below measurable levels. Adaptive optics images of 65 of our targets reveal that 17 have companions at (projected) separations of 10-80 AU. Of the five <20 AU binaries, four lack infrared excess, possibly indicating that a close companion leads to faster disk dispersal."
- "Eccentricity evolution of giant planet orbits due to circumstellar disk torques" by Moorhead, Althea V. with Fred C. Adams, abstract & PDF at arXiv.org 3 Aug. - Quote: "The extrasolar planets discovered to date possess unexpected orbital elements. Most orbit their host stars with larger eccentricities and smaller semi-major axes than similarly sized planets in our own solar system do. It is generally agreed that the interaction between giant planets and circumstellar disks (Type II migration) drives these planets inward to small radii, but the effect of these same disks on orbital eccentricity, e, is controversial. Several recent analytic calculations suggest that disk-planet interactions can excite eccentricity, while numerical studies generally produce eccentricity damping. This paper addresses this controversy using a quasi-analytic approach, drawing on several preceding analytic studies [and] removing several approximations from the calculation of disk torques."
NEOCP Activity on 3 August '07
The MPC's NEO Confirmation Page has 1 listing: 1 new
When last checked at 2355 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had one new listing.
To learn how observers use the NEOCP, see Suno Observatory's Practical guide on how to observe NEOCP object.
New MPECs on 3 August '07
Minor Planet Electronic Circulars
As of last check at 2355 UTC, there have been eight MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2007-P04 time-stamped "06:07 UT" - Daily Orbit Update - see below
- MPEC 2007-P05 time-stamped "15:04 UT" - Comet C/2007 M3 (LINEAR) - see below
- MPEC 2007-P06 time-stamped "15:10 UT" - Comet C/2007 N3 (Lulin) - see below
- MPEC 2007-P07 time-stamped "15:24 UT" - Observations of Comets - see below
- MPEC 2007-P08 time-stamped "16:07 UT" - 2007 JG43 - see below
- MPEC 2007-P09 time-stamped "18:59 UT" - 2001 DH47 - see below
- MPEC 2007-P10 time-stamped "19:36 UT" - Comet P/2007 N1 (McNaught) - see below
- MPEC 2007-P11 time-stamped "19:58 UT" - 2007 LE
MPEC 2007-P11 - "19:58 UT" - 2007 LE
- K07L00E 2007 LE (H=19.1 ~513m) from NEAT's Mt. Palomar telescope (2001 Dec. 20.20p2, 2001 Dec. 20.26-27p2 & 2001 Dec. 20.33p1), NEAT's USAF Haleakala telescope (2002 June 12.36-39p3), and the Mt. Lemmon Survey (MLS) (2006 Nov. 20.49-50p3)
MPEC 2007-P10 - "19:36 UT" - Comet P/2007 N1 (McNaught)
- PK07N010 P/2007 N1 (McNaught) (q=2.046 AU, Q=4.966 AU, TP=2007 Sept. 13.289 TT) from Montcabre Obs. (July 28.13-14p3) and North Ryde Obs. (Aug. 3.73-75p2)
MPEC 2007-P09 - "18:59 UT" - 2001 DH47
- K01D47H 2001 DH47 (H=18.9 ~562m) from the Sloan Digital Sky Survey (SDSS) (2003 June 23.20p2) and Andrushivka Obs. (July 26.90-92p9 & Aug. 2.97p6)
MPEC 2007-P08 - "16:07 UT" - 2007 JG43
- K07J43G 2007 JG43 (i=37.9°, q=10.183 AU, Q=116.971 AU, H=9.2 ~49.0 km) was discovered at 0831 UT 10 May by Mt. Palomar, which observed it at May 10.36p1, 10.40p1, 11.29p1, and 11.33p1. The discovery was confirmed by the Spacewatch 0.9m telescope (April 18.44-48p3 & 22.45-49p3).
MPEC 2007-P07 - "15:24 UT" - Observations of Comets
- PK07H010 P/2007 H1 (McNaught) from Pinsoro Obs. (July 22.13-14p3), Castelmartini Obs. (July 26.06p3), Vitebsk Obs. (July 26.93-94p3), Ageo Obs. (July 27.70p3), Montcabre Obs. (July 28.03p1 & 28.09-12p2), Gualba Obs. (July 28.10p1), and Masquefa Obs. (July 28.14p3)
- CK07O010 C/2007 O1 (LINEAR) from the Catalina Sky Survey (CSS) (2006 May 4.25-27p4), Panker Obs. (July 18.99p1), Geisei Obs. (July 23.62p1), Table Mtn. Obs. (July 27.21-22p3), Schiaparelli Obs. (Aug. 1.99p1), and Cordell-Lorenz Obs. (Aug. 2.24-26p2)
- CK07K060 C/2007 K6 (McNaught) from Mt. John Obs. (July 13.72p1) and North Ryde Obs. (Aug. 3.51-54p2)
- CK07J21A C/2007 JA21 (LINEAR) from Modra Obs. (July 21.88p2) and Schiaparelli Obs. (July 26.96p1)
- CK07G010 C/2007 G1 (LINEAR) from New Millennium Obs. (July 17.87-96p13, 25.90-95p10, 26.88-94p11, 27.92-93p3 & 28.89-95p12), Pinsoro Obs. (July 21.98-99p3), Ageo Obs. (July 24.62p3), Monte Deva Obs. (July 26.94-95p4 & 29.90-92p5), Schiaparelli Obs. (July 26.97p1 & 31.99-03p2), Masquefa Obs. (July 27.94-95p3), Rodeno Obs. (July 28.87-89p3 & Aug. 2.92-93p3), Montcabre Obs. (July 28.88-89p3), Vicksburg Obs. (July 29.12-13p2), Calarreona Obs. (July 30.91p3), and Vitebsk Obs. (July 31.89-90p5)
- CK07E020 C/2007 E2 (Lovejoy) from Panker Obs. (July 18.90p2), Ageo Obs. (July 28.51p2), and Schiaparelli Obs. (July 31.95p1 & Aug. 1.01p1)
- CK06V13Z C/2006 VZ13 (LINEAR) from Pinsoro Obs. (July 21.93p3), Ageo Obs. (July 24.55p4), Nagano Obs. (July 24.58p4), CAST Obs. (July 25.85p1 & 26.85p1), Inastars Obs. (July 25.86-87p3), Schiaparelli Obs. (July 25.90-92p3), Guadarrama Obs. (July 26.86-87p3), Monte Deva Obs. (July 26.87-88p5 & 29.89p3), Corbera Obs. (July 27.87-88p7), Masquefa Obs. (July 28.84-85p3), Montcabre Obs. (July 28.86-87p3), and Rodeno Obs. (July 28.86-87p3)
- CK06O02F C/2006 OF2 (Broughton) from Pinsoro Obs. (July 22.11-12p3), Montcabre Obs. (July 26.92-93p3 & 27.00-01p3), Iluro Obs. (July 27.07-08p3), Cordell-Lorenz Obs. (July 27.29-34p3), Ageo Obs. (July 27.67-68p3), Masquefa Obs. (July 28.06-08p3), Schiaparelli Obs. (Aug. 2.03p1), and Monte Deva Obs. (Aug. 2.96-97p5)
- CK05S040 C/2005 S4 (McNaught) from Montcabre Obs. (July 26.89p2) and New Millennium Obs. (July 27.05-07p6 & 28.01-04p5)
- CK05L030 C/2005 L3 (McNaught) from New Millennium Obs. (July 17.88-93p9, 25.90-95p6, 26.88-95p12, 27.92-96p4 & 28.89-96p13), Panker Obs. (July 19.02-04p3), Herne Obs. (July 20.91-94p2), Castelmartini Obs. (July 25.94p2), Hamamatsu-Yuto Obs. (July 26.55p3), Remanzacco Obs. (July 26.88p1), Vitebsk Obs. (July 26.89-90p3 & 31.85p4), Corbera Obs. (July 27.92-93p6), Masquefa Obs. (July 27.97-98p3), Calarreona Obs. (July 28.89p3 & 30.88p3), Rodeno Obs. (July 28.90-92p3 & Aug. 2.94-95p3), Vicksburg Obs. (July 29.16-17p2), Schiaparelli Obs. (Aug. 1.01-04p2), Szamotuly-Galowo Obs. (Aug. 1.88p3), and Monte Deva Obs. (Aug. 1.96-98p5 & 2.90-92p5)
- CK02V94Q C/2002 VQ94 (LINEAR) from Modra Obs. (July 23.86-87p2) and Schiaparelli Obs. (July 25.92-96p2 & 31.94p1)
- 0189 189P/NEAT from Ageo Obs. (July 5.64p2 & 28.57p3), Panker Obs. (July 18.00-01p5), Herne Obs. (July 20.91-94p2), New Millennium Obs. (July 25.91-96p10, 26.89-93p10, 27.91-95p7 & 28.90-93p8), Schiaparelli Obs. (July 26.05-06p3, 29.96-97p3 & Aug. 1.05p2), Montcabre Obs. (July 26.86-87p3, 27.88p3, 28.91p3 & 29.87-88p3), Modra Obs. (July 26.87p3), Vitebsk Obs. (July 26.91-92p5 & 31.87p5), Table Mtn. Obs. (July 27.18-19p3), Masquefa Obs. (July 27.99-00p3), Calarreona Obs. (July 28.89-90p3), Vicksburg Obs. (July 29.18-19p2), Szamotuly-Galowo Obs. (Aug. 1.87p3), and Cordell-Lorenz Obs. (Aug. 2.15-18p3 & 3.11-21p5)
- 0125 125P/Spacewatch from Schiaparelli Obs. (July 25.87-88p2) and Ageo Obs. (July 28.47-48p3)
- 0108 108P/Ciffreo from RAS Obs. Mayhill (July 24.44-45p2) and Smolyan Obs. (Aug. 3.09-10p3)
- 0096 96P/Machholz 1 from Panker Obs. (July 18.95-96p2) and Schiaparelli Obs. (July 31.93p1)
- 0093 93P/Lovas 1 from LINEAR (July 20.38-42p5), Castelmartini Obs. (July 26.07-08p3), Schiaparelli Obs. (July 29.10-12p2), and Montcabre Obs. (July 29.11-13p3)
- 0050 50P/Arend from LINEAR (July 20.38-41p3), Castelmartini Obs. (July 26.09p1), and Schiaparelli Obs. (July 30.03p1)
- 0017 17P/Holmes from Geisei Obs. (July 15.72p1 & 26.77-78p3), Ageo Obs. (July 27.72-73p3), and Masquefa Obs. (July 28.15-16p3)
- 0008 8P/Tuttle from Montcabre Obs. (July 24.89p3), CAST Obs. (July 31.85p1), and Chante-Perdrix Obs. (Aug. 1.87p1)
- 0002 2P/Encke from Montcabre Obs. (July 15.02p3), Posadas Obs. (July 15.10p3), Masquefa Obs. (July 28.02-04p3), and North Ryde Obs. (Aug. 3.46-49p3)
MPEC 2007-P06 - "15:10 UT" - Comet C/2007 N3 (Lulin)
- CK07N030 C/2007 N3 (Lulin) (i=178.4°, q=1.213 AU, TP=2009 Jan. 10.881 TT) from Montcabre Obs. (July 27.00p1 & 27.07-10p2) and Masquefa Obs. (July 28.10-12p3)
MPEC 2007-P05 - "15:04 UT" - Comet C/2007 M3 (LINEAR)
- CK07M030 C/2007 M3 (LINEAR) (i=161.8°, q=3.469 AU, Q=337.966 AU, TP=2007 Sept. 4.6447 TT) from La Sagra Obs. (July 17.89p1, 17.95p1 & 18.01p1), New Millennium Obs. (July 17.95-00p10), Pinsoro Obs. (July 22.01-02p3), Inastars Obs. (July 25.87-88p2), Remanzacco Obs. (July 26.86p1), and Vicksburg Obs. (July 29.21-23p2)
<< DOU on 3 Aug. '07 >> MPEC 2007-P04 - "06:07 UT" - Daily Orbit Update
- K07N05C 2007 NC5 (q=0.277 AU, Q=4.618 AU, arc=30 days, H=17.9 ~891m) from Greiner Research Obs. (Aug. 3.16p4)
- K07M13M 2007 MM13 (i=38.2°, arc=40 days, H=17.6 ~1.02 km) from Jim Young via Table Mtn. Obs. (Aug. 2.22-24p4)
- K07L32R 2007 LR32 (arc=70 days, H=17.2 ~1.23 km) from Drebach Obs. (Aug. 1.87p5) and Greiner Research Obs. (Aug. 3.17-20p13)
- K07L15B 2007 LB15 (arc=50 days, H=19.5 ~426m) from Astronomical Research Obs. (ARO) (Aug. 2.19-21p3)
- K07L08V 2007 LV8 (arc=51 days, H=20.2 ~309m) from ARO (Aug. 2.22-24p3)
- K07L00F 2007 LF (arc=56 days, H=20.5 ~269m) from ARO (Aug. 2.12-14p3)
- K07L00E 2007 LE (arc=223 days, H=19.1 ~513m) from MLS (2006 Nov. 20.49-50p3)
- K07L00D 2007 LD (arc=56 days, H=18.9 ~562m) from ARO (Aug. 2.10-11p3)
- K07F00A 2007 FA (arc=2 opp, H=20.2 ~309m) from NEAT/Hawaii (2000 March 6.57-58p2)
- K07DA3T 2007 DT103 (arc=158 days, H=18.9 ~562m) from Stia Obs. (July 28.94-95p5) and Libbiano Obs. (Aug. 2.89-91p3)
- K07D49D 2007 DD49 (arc=53 days, H=19.1 ~513m) from MLS (Feb. 23.17p4)
- K07C15H 2007 CH15 (arc=175 days, H=21.5 ~170m) from ARO (Aug. 2.16-17p3)
- K06SD4P 2006 SP134 (arc=2 opp, H=16.9 ~1.41 km) from SDSS (2003 Sept. 26.30-31p2 & 2003 Sept. 28.31p2)
- E5656 145656 4788 P-L from Drebach Obs. (Aug. 1.85p5)
- 87309 87309 2000 QP from Tentlingen Obs. (Aug. 1.85-90p3) and Drebach Obs. (Aug. 1.86p4)
- 85275 85275 1994 LY from Grosshabersdorf Obs. (Aug. 1.83-84p6) and Drebach Obs. (Aug. 1.85-86p5)
- 53426 53426 1999 SL5 from Silver Spring Obs. (Aug. 1.07-10p2)
- 24443 24443 2000 OG from Drebach Obs. (Aug. 1.84-85p4)
Observers on 3 August '07
A total of 52 observing facilities appear in today's MPECs.
| 349 | Ageo Obs. in Japan, 8 in MPEC 2007-P07 -- P/2007 H1, C/2007 G1, C/2007 E2, C/2006 VZ13, C/2006 OF2, 189, 125, 17 |
| A50 | Andrushivka Obs. in the Ukraine, 1 in MPEC 2007-P09 -- 2001 DH47 |
| H55 | Astronomical Research Obs. in Illinois, 5 in MPEC 2007-P04 -- 2007 LB15, 2007 LV8, 2007 LF, 2007 LD, 2007 CH15 |
| 235 | CAST Obs., 2 in MPEC 2007-P07 -- C/2006 VZ13, 8 |
| J79 | Calarreona Obs. in Spain, 3 in MPEC 2007-P07 -- C/2007 G1, C/2005 L3, 189 |
| 160 | Castelmartini Obs. in Italy, 4 in MPEC 2007-P07 -- P/2007 H1, C/2005 L3, 93, 50 |
| 703 | Catalina Sky Survey in Arizona, 1 in MPEC 2007-P07 -- C/2007 O1 |
| A77 | Chante-Perdrix Obs. in France, 1 in MPEC 2007-P07 -- 8 |
| A10 | Corbera Obs., 2 in MPEC 2007-P07 -- C/2006 VZ13, C/2005 L3 |
| 850 | Cordell-Lorenz Obs. in Tennessee, 3 in MPEC 2007-P07 -- C/2007 O1, C/2006 OF2, 189 |
| 113 | Drebach Obs. in Germany, 5 in MPEC 2007-P04 -- 2007 LR32, 145656, 87309, 85275, 24443 |
| 372 | Geisei Obs. in Japan, 2 in MPEC 2007-P07 -- C/2007 O1, 17 |
| H51 | Greiner Research Obs. in Wisconsin, 2 in MPEC 2007-P04 -- 2007 NC5, 2007 LR32 |
| A34 | Grosshabersdorf Obs., 1 in MPEC 2007-P04 -- 85275 |
| 458 | Guadarrama Obs. in Spain, 1 in MPEC 2007-P07 -- C/2006 VZ13 |
| 442 | Gualba Obs. in Spain, 1 in MPEC 2007-P07 -- P/2007 H1 |
| 379 | Hamamatsu-Yuto Obs. in Japan, 1 in MPEC 2007-P07 -- C/2005 L3 |
| A18 | Herne Obs. in Germany, 2 in MPEC 2007-P07 -- C/2005 L3, 189 |
| B19 | Iluro Obs. in Spain, 1 in MPEC 2007-P07 -- C/2006 OF2 |
| B15 | Inastars Obs. in Germany, 2 in MPECs 2007-P05 & 2007-P07 -- C/2006 VZ13, C/2007 M3 |
| 704 | LINEAR in New Mexico, 2 in MPEC 2007-P07 -- 93, 50 |
| J75 | La Sagra Obs. in Spain, 1 in MPEC 2007-P05 -- C/2007 M3 |
| B33 | Libbiano Obs. in Italy, 1 in MPEC 2007-P04 -- 2007 DT103 |
| 232 | Masquefa Obs. in Spain, 9 in MPECs 2007-P06 & 2007-P07 -- P/2007 H1, C/2007 G1, C/2006 VZ13, C/2006 OF2, C/2005 L3, 189, 17, 2, C/2007 N3 |
| 118 | Modra Obs. in Slovakia, 3 in MPEC 2007-P07 -- C/2007 JA21, C/2002 VQ94, 189 |
| 213 | Montcabre Obs. in Spain, 11 in MPECs 2007-P06, 2007-P07 & 2007-P10 -- P/2007 N1, P/2007 H1, C/2007 G1, C/2006 VZ13, C/2006 OF2, C/2005 S4, 189, 93, 8, 2, C/2007 N3 |
| 945 | Monte Deva Obs., 4 in MPEC 2007-P07 -- C/2007 G1, C/2006 VZ13, C/2006 OF2, C/2005 L3 |
| 474 | Mt. John Obs. in New Zealand, 1 in MPEC 2007-P07 -- C/2007 K6 |
| G96 | Mt. Lemmon Survey in Arizona, 3 in MPECs 2007-P04 & 2007-P11 -- 2007 LE, 2007 LE, 2007 DD49 |
| 675 | Mt. Palomar in southern California, 1 in MPEC 2007-P08 -- 2007 JG43 |
| 644 | NEAT's Mt. Palomar telescope in southern California, 1 in MPEC 2007-P11 -- 2007 LE |
| 608 | NEAT's USAF Haleakala telescope in Hawaii, 2 in MPECs 2007-P04 & 2007-P11 -- 2007 LE, 2007 FA |
| D81 | Nagano Obs., 1 in MPEC 2007-P07 -- C/2006 VZ13 |
| A24 | New Millennium Obs. in Italy, 5 in MPECs 2007-P05 & 2007-P07 -- C/2007 G1, C/2005 S4, C/2005 L3, 189, C/2007 M3 |
| 423 | North Ryde Obs. in New South Wales, 3 in MPECs 2007-P07 & 2007-P10 -- P/2007 N1, C/2007 K6, 2 |
| A32 | Panker Obs. in Germany, 5 in MPEC 2007-P07 -- C/2007 O1, C/2007 E2, C/2005 L3, 189, 96 |
| J52 | Pinsoro Obs. in Spain, 5 in MPECs 2007-P05 & 2007-P07 -- P/2007 H1, C/2007 G1, C/2006 VZ13, C/2006 OF2, C/2007 M3 |
| J53 | Posadas Obs. in Spain, 1 in MPEC 2007-P07 -- 2 |
| H06 | RAS Obs. Mayhill in New Mexico, 1 in MPEC 2007-P07 -- 108 |
| 473 | Remanzacco Obs. in Italy, 2 in MPECs 2007-P05 & 2007-P07 -- C/2005 L3, C/2007 M3 |
| 939 | Rodeno Obs., 3 in MPEC 2007-P07 -- C/2007 G1, C/2006 VZ13, C/2005 L3 |
| 204 | Schiaparelli Obs. in Italy, 13 in MPEC 2007-P07 -- C/2007 O1, C/2007 JA21, C/2007 G1, C/2007 E2, C/2006 VZ13, C/2006 OF2, C/2005 L3, C/2002 VQ94, 189, 125, 96, 93, 50 |
| H85 | Silver Spring Obs. in Maryland, 1 in MPEC 2007-P04 -- 53426 |
| 645 | Sloan Digital Sky Survey in New Mexico, 2 in MPECs 2007-P04 & 2007-P09 -- 2001 DH47, 2006 SP134 |
| 071 | Smolyan Obs. in Bulgaria, 1 in MPEC 2007-P07 -- 108 |
| 691 | Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2007-P08 -- 2007 JG43 |
| A78 | Stia Obs. in Italy, 1 in MPEC 2007-P04 -- 2007 DT103 |
| B30 | Szamotuly-Galowo Obs. in Poland, 2 in MPEC 2007-P07 -- C/2005 L3, 189 |
| 673 | Table Mtn. Obs. in southern California, 2 in MPEC 2007-P07 -- C/2007 O1, 189 |
| 6735 | Jim Young via Table Mtn. Obs. in southern California, 1 in MPEC 2007-P04 -- 2007 MM13 |
| A16 | Tentlingen Obs. in Switzerland, 1 in MPEC 2007-P04 -- 87309 |
| H47 | Vicksburg Obs. in Mississippi, 4 in MPECs 2007-P05 & 2007-P07 -- C/2007 G1, C/2005 L3, 189, C/2007 M3 |
| B42 | Vitebsk Obs., 4 in MPEC 2007-P07 -- P/2007 H1, C/2007 G1, C/2005 L3, 189 |
Impact Risk Monitoring on 3 August '07
At last check (NEODyS and JPL at 2355 UTC) there was no risk monitoring news to report yet today. See the CRT for activity in the last month.
Chronology on 3 August '07
Times are UTC for when the items were noted or added by Major News.
| 2109 | Added link to news story, "The sun rises on the University of Arizona" Added link to news story, "NASA plans 'Armageddon' spacecraft to blast asteroid" Added link to news story, "See Several Shooting Star Shows" Added link to news story, "Brian May, Queen legend, hands in star thesis" |
| 2014 | Grabbed MPEC 2007-P09 - 2001 DH47 - see above Grabbed MPEC 2007-P10 - Comet P/2007 N1 (McNaught) - see above Grabbed MPEC 2007-P11 - 2007 LE - see above |
| 1802 | Grabbed MPEC 2007-P08 - 2007 JG43 - see above |
| 1547 | Grabbed MPEC 2007-P05 - Comet C/2007 M3 (LINEAR) - see above Grabbed MPEC 2007-P06 - Comet C/2007 N3 (Lulin) - see above Grabbed MPEC 2007-P07 - Observations of Comets - see above |
| 1542 | Added link to news story, "Queen star hands in science PhD" Added link to news story, "Book Review: 'Lives of the Planets'" Added link to news story, "Ex-Astronaut's Lonely Mission: Save Earth From Asteroid Strike" Added link to news story, "Meteorite found in Punjab" |
| 1353 | Added MOS paper, " A Comprehensive View of Circumstellar Disks in Chamaeleon I: Infrared Excess, Accretion Signatures and Binarity" - see above Added MOS paper, "Eccentricity evolution of giant planet orbits due to circumstellar disk torques" - see above Added link to news story, "Man finds 1,800-pound meteorite" |
| 1345 | Grabbed MPEC 2007-P04 - Daily Orbit Update - see above |
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