IAA RAS IAA Minor Planet Database

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
2020-09-05 05:52:51 C 21 43 32.00 +21 34 11.4 – V 703
2020-09-05 10:12:00 C 21 43 12.88 +21 24 03.5 – V T08
2020-09-05 10:17:20 C 21 43 12.47 +21 23 50.5 – V T08
2020-09-05 10:26:15 C 21 43 11.78 +21 23 30.2 – V T08
2020-09-05 10:40:51 C 21 43 10.76 +21 22 55.6 – V T08
2020-09-05 22:42:30 C 21 42 18.65 +20 54 30.7 – V 160
2020-09-05 22:45:23 C 21 42 18.44 +20 54 23.9 – V 160
2020-09-05 22:48:14 C 21 42 18.22 +20 54 17.4 – V 160
2020-09-06 05:59:50 C 21 41 47.50 +20 37 19.9 – V 703
2020-09-06 06:07:56 C 21 41 46.89 +20 37 00.7 – V 703
2020-09-06 06:16:02 C 21 41 46.28 +20 36 41.9 – V 703
2020-09-06 06:24:08 C 21 41 45.70 +20 36 23.3 – V 703
2020-09-06 12:36:16 C 21 41 19.68 +20 21 42.1 – q D29
2020-09-06 12:53:58 C 21 41 18.40 +20 21 00.3 – q D29
2020-09-06 13:11:40 C 21 41 17.13 +20 20 18.5 – q D29
2020-09-06 21:22:47 C 21 40 42.48 +20 00 54.3 – V 160
2020-09-06 21:25:21 C 21 40 42.30 +20 00 48.1 – V 160
2020-09-06 21:27:55 C 21 40 42.11 +20 00 42.2 – V 160
2020-09-07 07:34:03 C 21 39 59.77 +19 36 47.3 – V G96
2020-09-07 07:42:07 C 21 39 59.21 +19 36 28.8 – V G96
2020-09-07 07:50:10 C 21 39 58.61 +19 36 09.4 – V G96
2020-09-07 07:58:14 C 21 39 58.04 +19 35 49.8 – V G96
2020-09-07 12:47:40 C 21 39 38.75 +19 24 23.4 – q D29
2020-09-07 13:02:57 C 21 39 37.68 +19 23 47.1 – q D29
2020-09-07 13:10:35 C 21 39 37.13 +19 23 29.1 – q D29
2020-09-07 13:25:52 C 21 39 36.05 +19 22 52.8 – q D29
2020-09-07 13:33:29 C 21 39 35.51 +19 22 35.0 – q D29
2020-09-07 13:48:46 C 21 39 34.43 +19 21 58.6 – q D29
2020-09-07 23:06:31 C 21 38 56.28 +18 59 51.3 – V A16
2020-09-07 23:24:07 C 21 38 55.03 +18 59 08.9 – V A16
2020-09-07 23:41:45 C 21 38 53.82 +18 58 28.0 – V A16
2020-09-07 23:59:24 C 21 38 52.59 +18 57 45.9 – V A16
2020-09-08 05:55:10 C 21 38 29.08 +18 43 41.8 – q U55
2020-09-08 06:00:32 C 21 38 28.67 +18 43 28.6 – q U55
2020-09-08 06:05:53 C 21 38 28.30 +18 43 15.7 – q U55
2020-09-09 08:54:22 C 21 36 42.69 +17 39 38.8 – V T08
2020-09-09 09:01:08 C 21 36 42.23 +17 39 22.8 – V T08
2020-09-09 09:18:49 C 21 36 41.05 +17 38 40.8 – V T08
2020-09-09 20:23:09 C 21 35 58.92 +17 12 18.0 – V 130
2020-09-09 20:25:33 C 21 35 58.76 +17 12 12.2 – V 130
2020-09-09 20:30:29 C 21 35 58.44 +17 12 00.6 – V 130
2020-09-10 05:14:34 C 21 35 25.49 +16 51 18.8 – V 703
2020-09-10 05:22:08 C 21 35 24.98 +16 51 01.0 – V 703
2020-09-10 05:29:43 C 21 35 24.49 +16 50 43.4 – V 703
2020-09-10 05:37:18 C 21 35 24.02 +16 50 25.0 – V 703
2020-09-11 09:05:56 C 21 33 43.11 +15 45 17.4 – V T05
2020-09-11 09:13:23 C 21 33 42.63 +15 44 59.9 – V T05
2020-09-11 09:18:43 C 21 33 42.30 +15 44 47.1 – V T05
2020-09-12 21:24:11 C 21 31 36.74 +14 19 33.6 – V 160
2020-09-12 21:27:07 C 21 31 36.54 +14 19 26.6 – V 160
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)