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
2020-08-27 21:25:01 C 21 59 48.14 +29 06 44.0 V 160
2020-08-28 05:01:33 C 21 59 08.13 +28 50 31.8 V 703
2020-08-28 05:02:04 C 21 59 08.11 +28 50 30.7 V G96
2020-08-28 05:09:03 C 21 59 07.47 +28 50 15.7 V G96
2020-08-28 05:09:46 C 21 59 07.43 +28 50 14.1 V 703
2020-08-28 05:16:02 C 21 59 06.84 +28 50 00.9 V G96
2020-08-28 05:17:58 C 21 59 06.67 +28 49 56.8 V 703
2020-08-28 05:22:59 C 21 59 06.19 +28 49 45.8 V G96
2020-08-28 05:26:10 C 21 59 05.89 +28 49 39.3 V 703
2020-08-28 10:17:26 C 21 58 40.12 +28 39 17.6 V T08
2020-08-28 10:18:45 C 21 58 40.00 +28 39 14.6 V T08
2020-08-28 10:26:16 C 21 58 39.33 +28 38 58.4 V T08
2020-08-28 10:28:16 C 21 58 39.14 +28 38 54.0 V T08
2020-08-28 10:41:37 C 21 58 37.93 +28 38 25.3 V T08
2020-08-28 10:47:31 C 21 58 37.39 +28 38 12.7 V T08
2020-08-28 10:48:51 C 21 58 37.29 +28 38 09.9 V T08
2020-08-30 06:01:03 C 21 54 54.69 +27 03 51.9 V V93
2020-08-30 06:44:52 C 21 54 50.87 +27 02 14.8 V V93
2020-08-30 07:26:24 C 21 54 47.28 +27 00 42.4 V V93
2020-09-01 09:36:02 C 21 50 38.93 +25 08 06.8 V T08
2020-09-01 09:40:46 C 21 50 38.54 +25 07 56.1 V T08
2020-09-01 09:49:34 C 21 50 37.79 +25 07 36.0 V T08
2020-09-01 10:35:30 C 21 50 33.97 +25 05 51.5 V T08
2020-09-02 23:09:18 C 21 47 40.10 +23 41 50.1 V A16
2020-09-02 23:20:11 C 21 47 39.23 +23 41 25.2 V A16
2020-09-03 00:02:38 C 21 47 35.86 +23 39 46.8 V A16
2020-09-03 09:20:29 C 21 46 52.90 +23 18 19.8 V T05
2020-09-03 09:30:25 C 21 46 52.10 +23 17 56.9 V T05
2020-09-03 09:38:54 C 21 46 51.42 +23 17 37.0 V T05
2020-09-03 14:58:40 C 21 46 26.91 +23 05 12.0 q D29
2020-09-03 15:10:47 C 21 46 25.97 +23 04 43.9 q D29
2020-09-03 15:22:54 C 21 46 25.01 +23 04 15.5 q D29
2020-09-03 21:02:10 C 21 45 59.38 +22 51 03.4 V C95
2020-09-03 21:03:58 C 21 45 59.26 +22 50 59.5 V C95
2020-09-03 21:05:48 C 21 45 59.13 +22 50 55.1 V C95
2020-09-03 21:07:36 C 21 45 58.92 +22 50 50.2 V C95
2020-09-03 21:28:00 C 21 45 57.33 +22 50 03.4 V 160
2020-09-03 21:30:52 C 21 45 57.09 +22 49 56.7 V 160
2020-09-03 21:33:44 C 21 45 56.87 +22 49 49.9 V 160
2020-09-04 00:55:04 C 21 45 41.97 +22 42 01.8 q W46
2020-09-04 01:37:11 C 21 45 38.65 +22 40 22.9 q W46
2020-09-04 21:11:03 C 21 44 10.59 +21 54 35.5 V 160
2020-09-04 21:14:05 C 21 44 10.33 +21 54 28.1 V 160
2020-09-04 21:17:02 C 21 44 10.09 +21 54 21.3 V 160
2020-09-04 22:54:57 C 21 44 02.61 +21 50 30.3 V A16
2020-09-04 23:08:57 C 21 44 01.58 +21 49 56.9 V A16
2020-09-04 23:27:40 C 21 44 00.18 +21 49 12.6 V A16
2020-09-04 23:50:28 C 21 43 58.42 +21 48 19.4 V A16
2020-09-05 05:25:39 C 21 43 34.14 +21 35 15.4 V 703
2020-09-05 05:34:38 C 21 43 33.44 +21 34 54.6 V 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)