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
2013-11-26 05:03:21 C 20 45 29.670 -06 57 11.81 L F51
2013-11-26 05:17:24 C 20 45 30.759 -06 57 19.50 L F51
2015-07-31 07:59:31 C 00 07 54.09 +25 46 56.0 u H21
2015-07-31 08:02:27 C 00 07 53.99 +25 46 53.7 u H21
2015-07-31 08:05:23 C 00 07 53.89 +25 46 51.2 u H21
2015-07-31 08:08:20 C 00 07 53.82 +25 46 49.0 u H21
2015-07-31 08:11:16 C 00 07 53.73 +25 46 46.7 u H21
2015-07-31 08:15:04 C 00 07 53.63 +25 46 43.7 u H21
2015-08-01 07:15:04 C 00 07 14.56 +25 28 20.4 u H21
2015-08-01 07:21:09 C 00 07 14.35 +25 28 15.4 u H21
2015-08-01 07:27:13 C 00 07 14.18 +25 28 10.3 u H21
2015-08-01 07:33:53 C 00 07 13.96 +25 28 04.9 u H21
2015-08-01 11:39:00 C 00 07 06.823 +25 24 47.09 L F52
2015-08-01 11:57:27 C 00 07 06.233 +25 24 32.01 L F52
2015-08-01 12:15:55 C 00 07 05.645 +25 24 16.96 L F52
2015-08-01 12:33:53 C 00 07 05.056 +25 24 01.85 L F52
2015-08-02 07:47:06 C 00 06 29.75 +25 07 57.5 u H21
2015-08-02 07:51:14 C 00 06 29.60 +25 07 53.9 u H21
2015-08-02 07:55:22 C 00 06 29.47 +25 07 50.5 u H21
2015-08-02 07:59:31 C 00 06 29.34 +25 07 47.1 u H21
2015-08-02 08:03:37 C 00 06 29.22 +25 07 43.9 u H21
2015-08-02 08:07:37 C 00 06 29.07 +25 07 40.0 u H21
2015-08-02 08:11:38 C 00 06 28.95 +25 07 36.9 u H21
2015-08-02 08:15:38 C 00 06 28.79 +25 07 33.5 u H21
2015-08-09 09:21:08 C 23 59 56.61 +22 23 26.3 R G45
2015-08-09 09:27:44 C 23 59 56.27 +22 23 18.7 R G45
2015-08-09 09:27:50 C 23 59 56.29 +22 23 18.7 R G45
2015-08-09 09:36:16 C 23 59 55.88 +22 23 09.4 R G45
2015-08-09 09:36:22 C 23 59 55.88 +22 23 09.2 R G45
2015-08-09 09:44:19 C 23 59 55.48 +22 23 00.3 R G45
2015-08-09 09:53:35 C 23 59 55.07 +22 22 50.5 R G45
2015-08-12 00:30:40 C 23 56 52.49 +21 10 38.7 q 160
2015-08-12 00:34:17 C 23 56 52.32 +21 10 35.3 q 160
2015-08-12 00:37:54 C 23 56 52.16 +21 10 30.2 q 160
2015-08-12 09:23:04 C 23 56 24.91 +20 59 54.9 R G45
2015-08-12 09:23:44 C 23 56 24.88 +20 59 54.0 R G45
2015-08-12 09:27:23 C 23 56 24.67 +20 59 49.5 R G45
2015-08-12 09:41:08 C 23 56 23.93 +20 59 32.5 R G45
2015-08-12 09:44:41 C 23 56 23.74 +20 59 28.4 R G45
2015-08-12 09:47:34 C 23 56 23.58 +20 59 24.9 R G45
2015-08-13 00:19:22 C 23 55 37.84 +20 41 28.7 q 160
2015-08-13 00:22:58 C 23 55 37.64 +20 41 24.1 q 160
2015-08-13 00:26:34 C 23 55 37.45 +20 41 19.6 q 160
2015-08-13 09:20:54 C 23 55 08.67 +20 30 11.7 R G45
2015-08-13 09:25:29 C 23 55 08.42 +20 30 06.1 R G45
2015-08-13 09:33:18 C 23 55 07.97 +20 29 56.3 R G45
2015-08-13 09:41:23 C 23 55 07.52 +20 29 45.9 R G45
2015-08-20 01:09:52 C 23 45 29.71 +16 46 28.2 q 160
2015-08-20 01:13:25 C 23 45 29.46 +16 46 23.4 q 160
2015-08-20 06:39:59 C 23 45 07.98 +16 38 01.3 q 703
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)