66008 (1998 QH2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3627184167 ± 1.75e-09
Semi-major axis (a)1.4261855358 AU ± 2.79e-10
Inclination (i)61.00513546° ± 1.35e-06
Long. of Asc. Node (Ω)168.92241516° ± 7.36e-07
Arg. of Perihelion (ω)13.99885267° ± 7.64e-07
Mean Anomaly (M)141.73663056° ± 5.84e-07
Mean Motion (n)0.5786930076°/day ± 1.70e-10
Perihelion dist (q)0.90888178 AU ± 2.50e-09
Aphelion dist (Q)1.94348930 AU ± 2.52e-09
Orbital Period1.70319370 yr ± 4.99e-10
Physical Parameters
H (abs. magnitude)15.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.042″
Uncertainty0
Orbit TypeApollo
MOID0.076633 AU
Observations Used1839
Radar Obs Used2
Gaia Obs Used142
Oppositions8
Arc Total1996-2025
First Observation Used1996-06-23
Last Observation Used2025-10-23
Observations (1952)
Date Type RA Dec Mag Band Observatory
1996-06-23 09:26:00 20 49 04.26 +87 54 13.3 675
1996-06-23 10:16:00 20 48 06.35 +87 53 50.8 675
1996-07-05 04:41:59 18 37 35.17 +84 23 37.6 261
1996-07-05 05:21:59 18 37 28.57 +84 23 01.6 261
1998-08-20 10:44:08 C 00 04 49.61 +11 27 41.8 a 699
1998-08-20 11:05:34 C 00 04 48.27 +11 27 08.5 a 699
1998-08-20 11:27:00 C 00 04 47.07 +11 26 34.9 a 699
1998-08-22 07:21:00 C 00 02 10.86 +10 16 23.1 z 734
1998-08-22 07:25:58 C 00 02 10.56 +10 16 15.3 z 734
1998-08-22 07:31:11 C 00 02 10.20 +10 16 08.0 z 734
1998-08-22 07:36:25 C 00 02 09.87 +10 15 56.5 z 734
1998-08-22 15:17:34 C 00 01 41.59 +10 03 22.9 z 402
1998-08-22 15:20:33 C 00 01 41.36 +10 03 18.5 z 402
1998-08-22 15:23:34 C 00 01 41.22 +10 03 14.1 z 402
1998-08-22 15:26:34 C 00 01 41.06 +10 03 08.4 z 402
1998-08-23 00:15:40 C 00 01 08.13 +09 48 34.5 z 108
1998-08-23 00:22:45 C 00 01 07.52 +09 48 20.9 z 108
1998-08-23 00:35:05 C 00 01 06.61 +09 47 58.7 z 108
1998-08-23 06:26:36 C 00 00 44.95 +09 38 17.4 z 734
1998-08-23 06:40:58 C 00 00 44.02 +09 37 56.3 z 734
1998-08-23 06:48:15 C 00 00 43.48 +09 37 40.2 z 734
1998-08-23 09:43:11 C 00 00 32.25 +09 32 49.8 711
1998-08-23 09:47:48 C 00 00 31.84 +09 32 39.9 18.9 a 704
1998-08-23 09:47:52 C 00 00 31.88 +09 32 39.4 18.7 a 704
1998-08-23 09:49:57 C 00 00 31.78 +09 32 38.0 711
1998-08-23 09:56:44 C 00 00 31.32 +09 32 26.5 711
1998-08-23 10:05:55 C 00 00 30.88 +09 32 12.0 18.6 a 704
1998-08-23 10:05:59 C 00 00 30.89 +09 32 12.6 19.0 a 704
1998-08-23 10:24:40 C 00 00 29.65 +09 31 41.7 18.9 a 704
1998-08-23 10:24:44 C 00 00 29.58 +09 31 39.7 18.8 a 704
1998-08-23 10:43:27 C 00 00 28.40 +09 31 10.4 19.3 a 704
1998-08-23 10:43:32 C 00 00 28.17 +09 31 10.0 18.7 a 704
1998-08-23 11:00:33 C 00 00 27.15 +09 30 39.0 18.7 a 704
1998-08-23 11:00:37 C 00 00 27.22 +09 30 39.9 18.4 a 704
1998-08-24 07:54:19 C 23 59 07.52 +08 55 15.7 658
1998-08-24 08:02:10 C 23 59 06.96 +08 55 02.7 658
1998-08-24 08:05:53 C 23 59 06.74 +08 54 56.2 658
1998-08-25 17:30:00 C 23 56 54.41 +07 57 08.0 360
1998-08-25 17:33:59 C 23 56 54.13 +07 57 00.7 360
1998-08-25 17:37:30 C 23 56 53.89 +07 56 54.6 360
1998-08-26 00:32:28 C 23 56 26.08 +07 44 41.8 557
1998-08-26 00:39:06 C 23 56 25.62 +07 44 30.4 557
1998-08-26 10:51:59 C 23 55 43.86 +07 26 23.2 658
1998-08-26 10:55:56 C 23 55 43.58 +07 26 16.3 658
1998-08-26 11:03:29 C 23 55 43.07 +07 26 03.1 658
1998-08-27 11:39:01 C 23 54 01.17 +06 41 50.6 658
1998-08-27 11:42:17 C 23 54 00.94 +06 41 44.5 658
1998-08-27 11:47:02 C 23 54 00.61 +06 41 36.0 658
1998-08-29 07:24:05 C 23 50 54.63 +05 21 16.9 z 734
1998-08-29 07:32:33 C 23 50 54.12 +05 20 58.6 z 734
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2025-03-08 21:20:00 80130211.983 2 us 8560 -14 -14
2025-03-10 17:30:00 79042987.5 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)