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
2018-08-27 02:23:31 C 14 52 27.41 +45 20 41.4 q W34
2018-08-27 02:36:42 C 14 52 30.03 +45 20 26.8 q W34
2018-08-30 05:47:24 C 15 07 25.09 +43 59 36.5 U T05
2018-08-30 06:03:38 C 15 07 28.27 +43 59 17.9 U T05
2018-08-30 06:13:07 C 15 07 30.12 +43 59 07.3 U T05
2018-08-30 06:26:00 C 15 07 32.61 +43 58 52.5 U T05
2018-09-01 05:56:37 C 15 16 48.04 +43 04 12.6 U T08
2018-09-01 06:09:22 C 15 16 50.52 +43 03 58.2 U T08
2018-09-01 06:22:53 C 15 16 52.99 +43 03 41.7 U T08
2018-09-01 06:32:11 C 15 16 54.88 +43 03 30.5 U T08
2018-09-05 05:29:06 C 15 34 59.76 +41 06 37.9 U T08
2018-09-05 05:34:01 C 15 35 00.69 +41 06 32.8 U T08
2018-09-05 05:51:36 C 15 35 03.99 +41 06 09.9 U T08
2018-09-05 06:08:33 C 15 35 07.21 +41 05 47.3 U T08
2018-09-08 03:48:10 C 15 48 00.98 +39 34 08.0 V 703
2018-09-08 03:55:58 C 15 48 02.39 +39 33 58.4 V 703
2018-09-08 04:03:46 C 15 48 03.87 +39 33 47.8 V 703
2018-09-08 04:11:34 C 15 48 05.32 +39 33 37.3 V 703
2018-09-11 03:52:03 C 16 01 01.66 +37 54 51.3 V 703
2018-09-11 03:59:45 C 16 01 03.04 +37 54 39.7 V 703
2018-09-11 04:07:28 C 16 01 04.35 +37 54 28.7 V 703
2018-09-11 04:15:11 C 16 01 05.76 +37 54 17.9 V 703
2018-09-14 03:13:07 C 16 13 34.40 +36 12 40.0 V 703
2018-09-14 03:21:29 C 16 13 35.89 +36 12 27.6 V 703
2018-09-14 03:29:51 C 16 13 37.33 +36 12 15.4 V 703
2018-09-14 03:38:13 C 16 13 38.79 +36 12 02.9 V 703
2018-09-14 03:45:19 C 16 13 39.88 +36 11 51.3 V 703
2018-09-14 03:57:21 C 16 13 42.00 +36 11 33.3 V 703
2018-09-14 04:05:47 C 16 13 43.47 +36 11 22.6 V 703
2018-09-14 04:17:18 C 16 13 45.41 +36 11 05.8 V 703
2018-09-17 03:48:19 C 16 25 59.38 +34 25 27.7 V 703
2018-09-17 03:56:07 C 16 26 00.69 +34 25 15.9 V 703
2018-09-17 04:03:53 C 16 26 02.02 +34 25 03.8 V 703
2018-09-17 04:11:40 C 16 26 03.35 +34 24 52.3 V 703
2018-09-21 02:29:18 C 16 41 40.23 +32 01 58.5 V G96
2018-09-21 02:37:27 C 16 41 41.55 +32 01 45.9 V G96
2018-09-21 02:45:36 C 16 41 42.85 +32 01 33.3 V G96
2018-09-21 02:53:45 C 16 41 44.16 +32 01 20.8 V G96
2018-09-22 03:35:29 C 16 45 43.68 +31 23 26.2 V 703
2018-09-22 03:43:51 C 16 45 45.08 +31 23 11.8 V 703
2018-09-22 03:52:14 C 16 45 46.39 +31 22 59.6 V 703
2018-09-22 04:00:37 C 16 45 47.84 +31 22 46.0 V 703
2018-09-28 03:36:46 C 17 08 15.75 +27 40 16.4 V 703
2018-09-28 03:44:41 C 17 08 16.89 +27 40 04.3 V 703
2018-09-28 03:52:37 C 17 08 18.07 +27 39 51.8 V 703
2018-09-30 03:54:16 C 17 15 32.22 +26 25 19.0 V 703
2018-09-30 04:02:15 C 17 15 33.48 +26 25 08.0 V 703
2018-09-30 04:18:14 C 17 15 35.76 +26 24 42.9 V 703
2018-09-30 05:08:34 C 17 15 43.53 +26 23 27.9 U T05
2018-09-30 05:30:27 C 17 15 46.75 +26 22 53.3 U T05
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)