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
2003-09-17 04:12:25 C 21 52 47.31 +06 23 32.8 o 699
2003-09-17 04:32:04 C 21 52 46.16 +06 22 50.3 17.4 c 644
2003-09-17 05:00:59 C 21 52 44.36 +06 21 47.0 17.5 c 644
2003-09-17 05:31:26 C 21 52 42.47 +06 20 40.0 17.4 c 644
2003-09-19 05:38:28 C 21 49 55.60 +04 36 22.2 17.7 c 704
2003-09-19 05:56:17 C 21 49 54.64 +04 35 43.8 18.6 c 704
2003-09-19 06:14:20 C 21 49 53.55 +04 35 05.8 17.8 c 704
2003-09-19 06:33:09 C 21 49 52.47 +04 34 25.1 17.8 c 704
2003-09-19 06:51:08 C 21 49 51.41 +04 33 46.2 17.6 c 704
2003-09-21 03:03:21 C 21 47 30.23 +03 00 18.2 c 691
2003-09-21 03:46:37 C 21 47 27.92 +02 58 47.9 c 691
2003-09-21 04:24:25 C 21 47 25.89 +02 57 29.1 c 691
2003-09-22 04:05:51 C 21 46 14.53 +02 08 26.0 m 683
2003-09-22 04:28:07 C 21 46 13.61 +02 07 46.4 m 683
2003-09-22 04:44:26 C 21 46 12.47 +02 07 07.9 m 683
2003-09-26 05:08:51 C 21 41 55.11 -01 04 02.1 18.8 c 608
2003-09-26 05:23:32 C 21 41 54.51 -01 04 30.3 19.2 c 608
2003-09-26 05:39:08 C 21 41 53.84 -01 04 59.8 18.8 c 608
2003-10-17 01:57:00 C 21 32 47.12 -13 33 12.6 18.6 c 704
2003-10-17 02:17:45 C 21 32 47.17 -13 33 35.7 18.8 c 704
2003-10-17 02:37:42 C 21 32 47.23 -13 33 58.2 19.3 c 704
2003-10-17 02:57:36 C 21 32 47.22 -13 34 18.2 19.2 c 704
2003-10-17 03:17:40 C 21 32 47.14 -13 34 40.8 19.1 c 704
2003-10-18 03:24:48 C 21 32 50.84 -14 00 47.3 19.0 c 704
2003-10-18 03:41:41 C 21 32 50.80 -14 01 06.6 19.7 c 704
2003-10-18 03:59:01 C 21 32 50.87 -14 01 25.4 19.7 c 704
2003-10-18 04:15:48 C 21 32 50.92 -14 01 40.5 19.5 c 704
2003-10-18 04:32:56 C 21 32 50.96 -14 02 01.1 19.6 c 704
2003-10-24 02:13:35 C 21 33 59.96 -16 19 31.6 19.1 c 704
2003-10-24 02:38:42 C 21 34 00.22 -16 19 55.2 19.8 c 704
2003-10-24 03:04:01 C 21 34 00.55 -16 20 17.3 19.6 c 704
2003-10-24 03:25:30 C 21 34 00.70 -16 20 36.3 19.3 c 704
2005-10-03 15:51:14 C 01 05 18.24 -42 52 22.9 r E12
2005-10-03 16:04:11 C 01 05 17.12 -42 52 41.4 r E12
2005-10-03 16:17:17 C 01 05 15.90 -42 52 59.5 r E12
2005-10-03 16:30:12 C 01 05 14.78 -42 53 17.3 r E12
2006-09-22 02:55:01 C 15 27 13.82 +29 49 56.4 r 703
2006-09-22 03:01:14 C 15 27 15.04 +29 49 51.3 r 703
2006-09-22 03:07:24 C 15 27 16.12 +29 49 44.8 r 703
2006-09-22 03:13:38 C 15 27 17.31 +29 49 40.4 r 703
2006-09-25 02:24:02 C 15 40 24.31 +28 43 40.9 r 703
2006-09-25 02:30:10 C 15 40 25.35 +28 43 33.8 r 703
2006-09-25 02:36:20 C 15 40 26.54 +28 43 28.1 r 703
2006-09-25 02:42:28 C 15 40 27.55 +28 43 20.6 r 703
2008-04-08 03:07:50 C 21 43 37.66 +60 33 03.0 j 012
2008-04-08 03:10:55 C 21 43 37.96 +60 33 04.6 j 012
2008-04-08 03:14:36 C 21 43 38.45 +60 33 07.4 j 012
2008-04-08 03:36:38 C 21 43 41.06 +60 33 20.4 j 012
2008-04-08 03:40:18 C 21 43 41.48 +60 33 21.0 j 012
2008-07-05 22:39:49 C 22 42 27.05 +66 01 57.6 c B67
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)