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
2008-07-05 22:52:01 C 22 42 26.01 +66 01 56.2 c B67
2008-07-05 23:04:07 C 22 42 24.97 +66 01 54.9 c B67
2008-07-11 06:35:14 C 22 30 25.18 +65 37 39.5 r H45
2008-07-11 06:38:38 C 22 30 24.83 +65 37 38.9 r H45
2008-07-11 06:40:58 C 22 30 24.61 +65 37 38.4 r H45
2008-07-11 06:43:09 C 22 30 24.38 +65 37 37.7 r H45
2008-07-11 06:44:48 C 22 30 24.27 +65 37 37.3 r H45
2008-07-12 23:32:49 C 22 26 09.14 +65 26 14.6 c J27
2008-07-13 00:01:37 C 22 26 05.94 +65 26 09.0 c J27
2008-07-23 22:34:18 C 21 55 12.19 +63 19 14.9 o B15
2008-07-23 22:36:36 C 21 55 11.90 +63 19 13.3 o B15
2008-07-23 22:37:46 C 21 55 11.75 +63 19 12.5 o B15
2008-08-06 23:48:40 C 21 13 37.68 +57 31 44.2 c B67
2008-08-06 23:57:27 C 21 13 36.65 +57 31 31.9 c B67
2008-08-07 00:06:14 C 21 13 35.63 +57 31 19.8 c B67
2008-08-16 23:26:45 C 20 49 19.93 +50 50 18.1 c B37
2008-08-16 23:31:33 C 20 49 19.28 +50 50 08.2 c B37
2008-08-16 23:33:42 C 20 49 19.17 +50 50 05.6 c B37
2008-08-16 23:40:22 C 20 49 18.70 +50 49 52.8 c B37
2008-08-24 23:00:15 C 20 35 01.16 +44 01 32.7 c J27
2008-08-24 23:17:36 C 20 35 00.02 +44 00 52.7 c J27
2008-08-24 23:33:27 C 20 34 59.05 +44 00 15.8 c J27
2008-08-26 06:31:27 C 20 33 06.87 +42 48 02.2 r H45
2008-08-26 06:32:40 C 20 33 06.80 +42 48 00.1 r H45
2008-08-26 06:35:32 C 20 33 06.59 +42 47 52.8 r H45
2008-08-26 06:38:43 C 20 33 06.38 +42 47 45.6 r H45
2008-08-26 06:42:40 C 20 33 06.18 +42 47 36.0 r H45
2008-08-27 06:33:02 C 20 31 45.11 +41 51 02.1 r H45
2008-08-27 06:34:37 C 20 31 44.98 +41 50 58.3 r H45
2008-08-27 06:36:06 C 20 31 44.90 +41 50 54.6 r H45
2008-08-27 06:37:55 C 20 31 44.80 +41 50 50.4 r H45
2008-08-27 06:40:28 C 20 31 44.65 +41 50 44.3 r H45
2008-08-27 20:31:10 C 20 31 00.12 +41 17 30.4 v 204
2008-08-27 20:35:33 C 20 30 59.88 +41 17 19.8 v 204
2008-08-27 21:06:55 C 20 30 58.08 +41 16 04.1 v 204
2008-08-29 03:03:50 C 20 29 25.81 +40 03 24.0 r H45
2008-08-29 03:04:50 C 20 29 25.76 +40 03 21.6 r H45
2008-08-29 03:06:52 C 20 29 25.66 +40 03 16.2 r H45
2008-08-29 03:09:00 C 20 29 25.54 +40 03 11.0 r H45
2008-08-29 03:11:07 C 20 29 25.43 +40 03 05.9 r H45
2008-08-29 23:53:07 C 20 28 24.83 +39 12 12.7 c B37
2008-08-29 23:56:23 C 20 28 24.76 +39 12 02.9 c B37
2008-08-30 00:00:30 C 20 28 24.78 +39 11 54.5 c B37
2008-08-30 23:08:28 C 20 27 21.42 +38 14 31.3 c B37
2008-08-30 23:09:17 C 20 27 21.37 +38 14 29.1 c B37
2008-08-30 23:11:43 C 20 27 21.26 +38 14 23.0 c B37
2008-08-30 23:43:21 C 20 27 19.78 +38 13 03.8 c B37
2008-08-30 23:44:00 C 20 27 19.78 +38 13 02.6 c B37
2008-09-06 02:12:40 C 20 22 08.64 +32 00 49.0 r H45
2008-09-06 02:14:53 C 20 22 08.60 +32 00 43.3 r H45
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)