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
2015-09-03 09:27:11 C 23 19 17.48 +06 24 22.9 q H21
2015-09-03 16:34:11 C 23 18 42.43 +06 10 00.0 q D29
2015-09-03 16:51:50 C 23 18 40.94 +06 09 23.9 q D29
2015-09-03 17:09:29 C 23 18 39.44 +06 08 48.6 q D29
2015-09-05 21:53:36 C 23 14 15.74 +04 20 57.1 o C41
2015-09-05 22:04:41 C 23 14 14.78 +04 20 34.3 o C41
2015-09-05 22:15:56 C 23 14 13.81 +04 20 11.2 o C41
2015-09-05 23:11:59 C 23 14 09.30 +04 18 15.2 q 203
2015-09-06 00:17:41 C 23 14 03.67 +04 15 59.8 q 203
2015-09-06 22:35:46 C 23 12 11.85 +03 29 54.8 q 160
2015-09-06 22:38:36 C 23 12 11.59 +03 29 48.9 q 160
2015-09-06 22:41:26 C 23 12 11.35 +03 29 42.9 q 160
2015-09-07 07:56:19 C 23 11 24.69 +03 10 34.2 q 703
2015-09-07 08:03:36 C 23 11 24.09 +03 10 19.1 q 703
2015-09-07 08:10:52 C 23 11 23.42 +03 10 04.3 q 703
2015-09-07 08:18:08 C 23 11 22.82 +03 09 49.0 q 703
2015-09-07 16:34:40 C 23 10 41.27 +02 52 38.3 q D29
2015-09-07 16:57:31 C 23 10 39.30 +02 51 50.7 q D29
2015-09-07 17:18:30 C 23 10 37.50 +02 51 06.5 q D29
2015-09-07 17:42:38 C 23 10 35.41 +02 50 16.4 q D29
2015-09-07 18:06:46 C 23 10 33.34 +02 49 26.3 q D29
2015-09-07 21:29:30 C 23 10 16.87 +02 42 23.6 q 160
2015-09-07 21:32:17 C 23 10 16.61 +02 42 17.7 q 160
2015-09-07 21:35:08 C 23 10 16.36 +02 42 11.8 q 160
2015-09-09 21:53:52 C 23 06 13.86 +01 01 35.1 q 160
2015-09-09 21:56:41 C 23 06 13.60 +01 01 29.3 q 160
2015-09-09 21:59:30 C 23 06 13.37 +01 01 23.5 q 160
2015-09-10 13:45:10 C 23 04 54.56 +00 28 34.2 o 300
2015-09-10 13:48:29 C 23 04 54.29 +00 28 28.0 o 300
2015-09-10 13:51:48 C 23 04 54.01 +00 28 21.0 o 300
2015-09-10 13:55:05 C 23 04 53.75 +00 28 14.7 o 300
2015-09-10 14:05:01 C 23 04 52.82 +00 27 53.1 o 300
2015-09-10 15:59:47 C 23 04 43.23 +00 23 54.6 q D29
2015-09-10 16:23:55 C 23 04 41.11 +00 23 03.5 q D29
2015-09-10 16:48:02 C 23 04 39.08 +00 22 13.8 q D29
2015-09-11 21:45:12 C 23 02 15.32 -00 38 02.2 q 160
2015-09-11 21:48:00 C 23 02 15.09 -00 38 08.1 q 160
2015-09-11 21:50:49 C 23 02 14.84 -00 38 14.0 q 160
2015-09-12 15:50:24 C 23 00 45.68 -01 15 31.8 q D29
2015-09-12 16:12:28 C 23 00 43.82 -01 16 17.6 q D29
2015-09-12 16:34:32 C 23 00 41.92 -01 17 03.6 q D29
2015-09-14 05:56:10 C 22 57 39.14 -02 34 07.1 R G45
2015-09-14 06:04:04 C 22 57 38.51 -02 34 23.2 R G45
2015-09-14 06:11:47 C 22 57 37.83 -02 34 39.0 R G45
2015-09-14 06:19:07 C 22 57 37.23 -02 34 54.7 R G45
2015-09-14 06:19:12 C 22 57 37.21 -02 34 54.5 R G45
2015-09-14 06:26:26 C 22 57 36.63 -02 35 09.3 R G45
2015-09-15 05:58:05 C 22 55 42.81 -03 23 17.1 R G45
2015-09-15 06:05:54 C 22 55 42.16 -03 23 33.3 R G45
2015-09-15 06:13:16 C 22 55 41.55 -03 23 47.9 R G45
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)