Contents on 24 July '08
- Radar Astrometry -- two objects
- IAU Minor Planet Center
- NEOCP Activity -- none
- New MPECs -- four MPECs
- Observers -- sixteen observing facilities
- Impact Risk Monitoring -- nothing to report
- Chronology
Resources:
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- Ephemerides for risk-rated and nearby objects
- Old & new CRT Archive
- Old News Archive & Small Objects Archive
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Radar Astrometry on 24 July '08
Radar observation of two objects
The JPL Solar System Dynamics Group Radar Astrometry database has added the following small-body radar observing work:
Data addition noted at 2249 UTC when the database was dated 24 July
NEOCP Activity on 24 July '08
The MPC's NEO Confirmation Page is currently empty
The NEOCP is currently empty and hasn't been noted by The Tracking News as being active yet today (checked at 2357 UTC). It was last noted active yesterday.
New MPECs on 24 July '08
Minor Planet Electronic Circulars
As of last check at 2357 UTC, there have been four MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2008-O21 time-stamped "06:06 UT" - Daily Orbit Update - see below
- MPEC 2008-O22 time-stamped "14:21 UT" - Comet C/2008 N1 (Holmes) - see below
- MPEC 2008-O23 time-stamped "17:48 UT" - Comets C/2008 L6, 2008 L7, 2008 L8, 2008 L9 (SOHO) - see below
- MPEC 2008-O24 time-stamped "18:31 UT" - Comets C/2008 L10, 2008 L11, 2008 L12, 2008 L13 (SOHO)
MPEC 2008-O24 - "18:31 UT" - Comets C/2008 L10, 2008 L11, 2008 L12, 2008 L13 (SOHO)
- K08L130 2008 L13 from the LASCO Coronagraph 2 aboard the Solar & Heliospheric Obs. (SOHO) (June 13.45-60p20)
- K08L120 2008 L12 from SOHO C2 (June 13.31-50p30)
- K08L110 2008 L11 from SOHO C2 (June 12.44-54p16 & 12.96-16p28) and the LASCO Coronagraph 3 aboard the Solar & Heliospheric Obs. (SOHO) (June 13.10-28p20 & 13.35-61p26)
- K08L100 2008 L10 from SOHO C3 (June 11.99-20p20) and SOHO C2 (June 12.23-50p40)
MPEC 2008-O23 - "17:48 UT" - Comets C/2008 L6, 2008 L7, 2008 L8, 2008 L9 (SOHO)
- K08L090 2008 L9 from SOHO C3 (June 10.97-03p8 & 11.07-26p20) and SOHO C2 (June 11.19-46p40)
- K08L080 2008 L8 from SOHO C2 (June 10.23-31p12)
- K08L070 2008 L7 from SOHO C2 (June 10.04-19p22)
- K08L060 2008 L6 from SOHO C2 (June 10.04-25p32 & 10.41-63p32)
MPEC 2008-O22 - "14:21 UT" - Comet C/2008 N1 (Holmes)
- CK08N010 C/2008 N1 (Holmes) (i=115.5°, q=2.783 AU, TP=2009 Sept. 25.228 TT) from Great Shefford Obs. (July 22.04-07p2) and Table Mtn. Obs. (July 24.45-47p4)
<< DOU on 24 July '08 >> MPEC 2008-O21 - "06:06 UT" - Daily Orbit Update
- Observations of small asteroids (H>22.0)
- K08N00X 2008 NX (arc=21 days, H=24.8 ~37m) from Astronomical Research Obs. (ARO) (July 23.27-28p3)
- K08M01Q 2008 MQ1 (arc=23 days, H=24.2 ~49m) from ARO (July 23.32-34p3)
- Observations of other objects
- K08N01S 2008 NS1 (Q=4.337 AU, arc=17 days, H=17.3 ~1.17 km) from Tiki Obs. (July 22.28p1 & 22.35p1) and Hibiscus Obs. (July 22.28-30p2)
- K08N00U 2008 NU (Q=4.290 AU, arc=22 days, H=17.5 ~1.07 km) from Carmelita Obs. (July 23.05-08p3) and ARO (July 23.33-34p4)
- K08N00B 2008 NB (arc=22 days, H=19.0 ~537m) from ARO (July 23.26p4)
- K08M01U 2008 MU1 (i=40.8°, arc=23 days, H=19.6 ~407m) from ARO (July 23.22-23p5), Eschenberg Obs. (July 23.86p2), and Naef Obs. (July 23.93-95p4)
- K08M01R 2008 MR1 (arc=23 days, H=18.5 ~676m) from ARO (July 23.32p4)
- K08L16N 2008 LN16 (arc=43 days, H=19.8 ~371m) from Tiki Obs. (July 23.48p1 & 23.52p1)
- K08L08W 2008 LW8 (arc=44 days, H=17.3 ~1.17 km) from ARO (July 23.36p4)
- K08K06D 2008 KD6 (arc=55 days, H=19.6 ~407m) from ARO (July 23.37-39p3)
- K08J35T 2008 JT35 (Q=4.082 AU, arc=80 days, H=21.3 ~186m) from ARO (July 23.31-32p4) and Naef Obs. (July 23.98-99p2)
- K08J24O 2008 JO24 (arc=74 days, H=18.5 ~676m) from ARO (July 23.35p3)
- K08E06L 2008 EL6 (arc=140 days, H=21.0 ~214m) from ARO (July 23.27-30p3)
- K06SL7Z 2006 SZ217 (arc=3 opp, H=17.5 ~1.07 km) from ARO (July 23.38-39p3)
- K06G00B 2006 GB (arc=3 opp, H=20.3 ~295m) from ARO (July 23.36-37p3)
- K05R34C 2005 RC34 (arc=2 opp, H=19.8 ~371m) from Eschenberg Obs. (July 23.84p7) and El Guijo Obs. (July 23.94-95p3)
- K03N00C 2003 NC (q=0.274 AU, arc=4 opp, H=19.3 ~467m) from ARO (July 15.24-25p4)
- K01T45A 2001 TA45 (arc=4 opp, H=19.1 ~513m) from Inastars Obs. (July 23.96-97p3)
- H3689 173689 2001 PK9 from Naef Obs. (July 23.93-96p4)
- 90403 90403 2003 YE45 from Vitebsk Obs. (July 22.85-87p7), Sant Cugat del Valles Obs. (July 23.92-95p3), Mirasteilas Obs. (July 23.99-00p2), and Thompsonville Obs. (July 24.16-17p6)
- 86666 86666 2000 FL10 from Inastars Obs. (July 23.99p3)
- 66008 66008 1998 QH2 from Inastars Obs. (July 23.94p3)
- 65690 65690 1991 DG from Mirasteilas Obs. (July 23.96-98p3)
- 35107 35107 1991 VH from Mirasteilas Obs. (July 23.93-94p3)
- 11398 11398 1998 YP11 from Thompsonville Obs. (July 24.15p6)
- 08567 8567 1996 HW1 from Thompsonville Obs. (July 24.11p6)
- 07341 7341 1991 VK from ARO (July 23.26p1)
- 03288 3288 Seleucus (1982 DV) from Thompsonville Obs. (July 24.13p3)
- 00887 887 Alinda (1918 DB) from ARO (July 23.31-32p4) and Naef Obs. (July 23.98-00p2)
Observers on 24 July '08
Sixteen observing facilities appear in today's MPECs.
| Code | Observer / observatory |
|---|---|
| 251 | Arecibo in Puerto Rico, 2 in radar -- 90403, 53319 |
| H55 | Astronomical Research Obs. (ARO) in Illinois, 16 in MPEC 2008-O21 -- 2008 NX, 2008 NU, 2008 NB, 2008 MU1, 2008 MR1, 2008 MQ1, 2008 LW8, 2008 KD6, 2008 JT35, 2008 JO24, 2008 EL6, 2006 SZ217, 2006 GB, 2003 NC, 7341, 887 |
| B20 | Carmelita Obs. in Spain, 1 in MPEC 2008-O21 -- 2008 NU |
| J27 | El Guijo Obs. in Spain, 1 in MPEC 2008-O21 -- 2005 RC34 |
| 151 | Eschenberg Obs. in Switzerland, 2 in MPEC 2008-O21 -- 2008 MU1, 2005 RC34 |
| J95 | Great Shefford Obs. in England, 1 in MPEC 2008-O22 -- C/2008 N1 |
| F84 | Hibiscus Obs. in Tahiti, 1 in MPEC 2008-O21 -- 2008 NS1 |
| B15 | Inastars Obs. in Germany, 3 in MPEC 2008-O21 -- 2001 TA45, 86666, 66008 |
| B67 | Mirasteilas Obs. in Switzerland, 3 in MPEC 2008-O21 -- 90403, 65690, 35107 |
| A13 | Naef Obs. in Switzerland, 4 in MPEC 2008-O21 -- 2008 MU1, 2008 JT35, 173689, 887 |
| B61 | Sant Cugat del Valles Obs. in Spain, 1 in MPEC 2008-O21 -- 90403 |
| 2492 | LASCO Coronagraph 2 (SOHO C2) aboard the Solar & Heliospheric Obs. (SOHO) in Earth-Sun L1 HALO orbit, 8 in MPECs 2008-O23 & 2008-O24 -- C/2008 L9, C/2008 L8, C/2008 L7, C/2008 L6, C/2008 L13, C/2008 L12, C/2008 L11, C/2008 L10 |
| 2493 | LASCO Coronagraph 3 (SOHO C3) aboard the Solar & Heliospheric Obs. (SOHO) in Earth-Sun L1 HALO orbit, 3 in MPECs 2008-O23 & 2008-O24 -- C/2008 L9, C/2008 L11, C/2008 L10 |
| 673 | Table Mtn. Obs. in southern California, 1 in MPEC 2008-O22 -- C/2008 N1 |
| H53 | Thompsonville Obs. in Illinois, 4 in MPEC 2008-O21 -- 90403, 11398, 8567, 3288 |
| F85 | Tiki Obs. in Tahiti, 2 in MPEC 2008-O21 -- 2008 NS1, 2008 LN16 |
| B42 | Vitebsk Obs. in Belarus, 1 in MPEC 2008-O21 -- 90403 |
| For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. | |
Impact Risk Monitoring on 24 July '08
At last check (NEODyS and JPL at 2357 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.
Chronology on 24 July '08
Times are UTC for when items were noted or added by The Tracking News.
| 2249 | Noted Radar Astrometry database addition - see above |
| 1859 | Grabbed MPEC 2008-O23 - Comets C/2008 L6, 2008 L7, 2008 L8, 2008 L9 (SOHO) - see above Grabbed MPEC 2008-O24 - Comets C/2008 L10, 2008 L11, 2008 L12, 2008 L13 (SOHO) - see above |
| 1523 | Grabbed MPEC 2008-O21 - Daily Orbit Update - see above Grabbed MPEC 2008-O22 - Comet C/2008 N1 (Holmes) - see above |
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