Artist's concept of the New Horizons spacecraft approaching Pluto and its three moons in the Summer of 2015. See news below. Credit: JHUAPL/SwRI.
Contents on 20 June '07
- Minor-Object News -- two items
- Minor-Object Science -- one paper
- IAU Minor Planet Center
- NEOCP Activity -- nine listings: 6 new, 3 updated
- New MPECs -- one MPEC
- Observers -- sixteen observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
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 20 June '07
- "Nap Before You Sleep," NASA New Horizons mission 20 June - Quote: "[Our] mission ops team is ready to move into 'real' use of the hibernation mode, which we'll use 75% of the time from now until 2014 to reduce wear and tear on our electronics... During the wake-up period this fall [for spacecraft and instrument checkout activities], we also plan to conduct a small engine burn on Sept. 26 to trim up our trajectory to Pluto... [After] much analysis and debate, we elected to continue to our originally planned Pluto-arrival date.. [In] addition to being the best date for exploring the Pluto system in July 2015, July 14 is also the best choice for future Kuiper Belt exploration that will come in the late 20-teens." - Note: This news link is a temporary URL.
- "6R10DB9" [URL corrected], JPL Horizons System News 19 June - Quote: "Initially ambiguous Earth-orbiting object '6R10DB9' reached perigee 2007-Jun-14. The trajectory has been updated to include Goldstone Doppler measurements." - Note: See an image and news yesterday.
NEOCP Activity on 20 June '07
The MPC's NEO Confirmation Page has 9 listings: 6 new, 3 updated
When last checked at 2358 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had six new and three updated listings. Of these, seven were "one nighters."
New MPECs on 20 June '07
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there has been one MPEC issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
<< DOU on 20 June '07 >> MPEC 2007-M16 - "06:07 UT" - Daily Orbit Update
- Observations of small asteroids (H>22.0)
- K07M00Q 2007 MQ (Q=4.267 AU, arc=1 day, H=23.6 ~65m) from Andrushivka Obs. (June 18.87-88p7)
- K07L19W 2007 LW19 (arc=4 days, H=23.5 ~68m) from Mt. John Obs. (June 19.42-43p5)
- K07K00E 2007 KE (arc=25 days, H=22.5 ~107m) from the Spacewatch 0.9m telescope (June 8.33-37p3 & 10.39-40p2)
- Observations of almost-small asteroids (21.7<H<=22.0)
- K07M00R 2007 MR (arc=1 day, H=22.0 ~135m) from Jim Young via Table Mtn. Obs. (June 19.22-24p4)
- Observations of other objects
- K07M00H 2007 MH (arc=2 days, H=21.0 ~214m) from Mt. John Obs. (June 19.43-44p4)
- K07M00G 2007 MG (arc=2 days, H=21.0 ~214m) from Young/Table Mtn. (June 19.20-21p4), the Spacewatch 1.8m telescope (June 19.26p3), and Spacewatch 0.9m (June 19.29-33p3)
- K07L19V 2007 LV19 (arc=4 days, H=20.0 ~339m) from Mt. John Obs. (June 19.39p3)
- K07L15A 2007 LA15 (arc=6 days, H=19.4 ~446m) from FTP education program via Faulkes Telescope North (Faulkes North) (June 19.44-45p5)
- K07L08V 2007 LV8 (arc=8 days, H=20.0 ~339m) from Drebach Obs. (June 19.91p2)
- K07L00L 2007 LL (arc=11 days, H=20.4 ~282m) from LINEAR (June 19.17-21p5)
- K07L00F 2007 LF (arc=13 days, H=20.6 ~257m) from Guidestar Obs. (June 19.88p3)
- K07K00D 2007 KD (arc=39 days, H=20.6 ~257m) from Mt. John Obs. (June 19.40-41p3)
- K07J22H 2007 JH22 (arc=38 days, H=21.7 ~155m) from Spacewatch 1.8m (June 19.22-23p3)
- K07G00G 2007 GG (Q=4.136 AU, arc=2 opp, H=17.5 ~1.07 km) from David Tholen's team on Mauna Kea (June 15.27p1)
- K07F42V 2007 FV42 (arc=91 days, H=17.8 ~933m) from Hamamatsu-Yuto Obs. (June 19.59-62p14)
- K07D08K 2007 DK8 (arc=123 days, H=19.0 ~537m) from Bergen-Enkheim Obs. (June 19.99-00p4)
- K06V13Y 2006 VY13 (Q=4.764 AU, arc=220 days, H=17.3 ~1.17 km) from Desert Moon Obs. (June 19.32-35p3)
- K06K89E 2006 KE89 (i=45.1°, q=0.211 AU, arc=3 opp, H=16.5 ~1.70 km) from the SZTE Asteroid Program (SZTE) (June 19.84-85p9)
- K05U00K 2005 UK (i=54.4°, arc=4 opp, H=17.4 ~1.12 km) from SZTE (June 19.85-86p2)
- K05A13D 2005 AD13 (arc=2 opp, H=17.9 ~891m) from SZTE (June 19.83-84p4)
- K04L00G 2004 LG (i=71.0°, q=0.212 AU, arc=2 opp, H=18.0 ~851m) from the Catalina Sky Survey (CSS) (June 19.32-33p4)
- K02PE2Q 2002 PQ142 (arc=4 opp, H=17.7 ~977m) from CSS (June 19.20-22p4)
- K02K04F 2002 KF4 (i=37.2°, Q=4.571 AU, arc=3 opp, H=17.2 ~1.23 km) from LINEAR (June 19.17-21p5) and Hamamatsu-Yuto Obs. (June 19.46-48p7)
- K02A03Q 2002 AQ3 (i=40.0°, arc=4 opp, H=17.1 ~1.29 km) from LINEAR (June 19.37-40p3)
- K00K43W 2000 KW43 (arc=2 opp, H=20.0 ~339m) from Spacewatch 0.9m (June 10.20-22p2)
- K00K00B 2000 KB (i=56.0°, Q=4.205 AU, arc=5 opp, H=16.2 ~1.95 km) from CSS (June 19.26-29p4)
- J88P00A 1988 PA (arc=3 opp, H=17.5 ~1.07 km) from CSS (June 19.44-45p4)
- 86829 86829 2000 GR146 from LINEAR (June 19.17-21p5)
- 68348 68348 2001 LO7 from Spacewatch 0.9m (June 8.34-37p3)
- 54686 54686 2001 DU8 from Desert Moon Obs. (June 19.39-42p3)
- 04341 4341 Poseidon (1987 KF) from LINEAR (June 19.22-26p5)
- 04179 4179 Toutatis (1989 AC) from Spacewatch 0.9m (June 10.29-34p3)
- 03752 3752 Camillo (1985 PA) from CSS (June 19.43-45p4)
- 02212 2212 Hephaistos (1978 SB) from New Millennium Obs. (Feb. 20.89-90p4 & 22.81-90p14)
- 01943 1943 Anteros (1973 EC) from New Millennium Obs. (Feb. 20.88-89p4 & 22.82-93p18)
- 01627 1627 Ivar (1929 SH) from New Millennium Obs. (Feb. 20.90-91p4 & 22.83-94p14)
Observers on 20 June '07
Sixteen observing facilities appear in today's MPECs.
| A50 | Andrushivka Obs. in the Ukraine, 1 in MPEC 2007-M16 -- 2007 MQ |
| A74 | Bergen-Enkheim Obs. in Germany, 1 in MPEC 2007-M16 -- 2007 DK8 |
| 703 | Catalina Sky Survey in Arizona, 5 in MPEC 2007-M16 -- 2004 LG, 2002 PQ142, 2000 KB, 1988 PA, 3752 |
| 448 | Desert Moon Obs. in New Mexico, 2 in MPEC 2007-M16 -- 2006 VY13, 54686 |
| 113 | Drebach Obs. in Germany, 1 in MPEC 2007-M16 -- 2007 LV8 |
| F653 | FTP education program via Faulkes Telescope North in Hawaii, 1 in MPEC 2007-M16 -- 2007 LA15 |
| A17 | Guidestar Obs. in Germany, 1 in MPEC 2007-M16 -- 2007 LF |
| 379 | Hamamatsu-Yuto Obs. in Japan, 2 in MPEC 2007-M16 -- 2007 FV42, 2002 KF4 |
| 704 | LINEAR in New Mexico, 5 in MPEC 2007-M16 -- 2007 LL, 2002 KF4, 2002 AQ3, 86829, 4341 |
| 5682 | David Tholen's team on Mauna Kea in Hawaii, 1 in MPEC 2007-M16 -- 2007 GG |
| 474 | Mt. John Obs. in New Zealand, 4 in MPEC 2007-M16 -- 2007 LW19, 2007 MH, 2007 LV19, 2007 KD |
| A24 | New Millennium Obs. in Italy, 3 in MPEC 2007-M16 -- 2212, 1943, 1627 |
| 461 | SZTE Asteroid Program in Hungary, 3 in MPEC 2007-M16 -- 2006 KE89, 2005 UK, 2005 AD13 |
| 691 | Spacewatch 0.9m telescope in Arizona, 5 in MPEC 2007-M16 -- 2007 KE, 2007 MG, 2000 KW43, 68348, 4179 |
| 291 | Spacewatch 1.8m telescope in Arizona, 2 in MPEC 2007-M16 -- 2007 MG, 2007 JH22 |
| 6735 | Jim Young via Table Mtn. Obs. in southern California, 2 in MPEC 2007-M16 -- 2007 MR, 2007 MG |
Impact Risk Monitoring on 20 June '07
At last check (NEODyS and JPL at 2358 UTC) there was no risk monitoring news to report yet today.
Chronology on 20 June '07
Times are UTC for when the items were noted by Major News.
| 1643 | Added MOS paper, "Evidence for Growth of Eccentricity and Mass Clearing in a Disc Interior to a Planet" - see above Added link to news story, "6R10DB9" Added link to news story, "Nap Before You Sleep" |
| 1335 | Grabbed MPEC 2007-M16 - Daily Orbit Update - see above |
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