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
1998-10-13 12:07:58 C 22 34 25.21 -25 14 26.2 422
1998-10-13 12:09:23 C 22 34 25.12 -25 14 27.6 422
2000-07-24 17:43:16 C 02 22 03.77 -06 02 20.9 413
2000-07-24 17:46:18 C 02 22 03.94 -06 02 24.1 413
2000-07-24 17:49:31 C 02 22 04.14 -06 02 27.3 413
2000-11-02 03:41:10 C 01 58 29.92 -64 57 38.4 i 808
2000-11-02 05:04:39 C 01 58 20.22 -64 58 24.1 i 808
2000-11-25 01:30:19 C 01 04 18.92 -66 24 13.2 i 808
2000-11-25 02:54:20 C 01 04 12.87 -66 23 59.7 i 808
2000-11-25 11:53:15 C 01 03 36.57 -66 22 33.8 m 428
2000-11-25 12:10:28 C 01 03 35.59 -66 22 31.2 m 428
2000-12-23 11:11:24 C 00 50 44.71 -62 27 00.5 428
2000-12-23 11:19:52 C 00 50 44.95 -62 26 56.1 428
2001-02-12 10:02:38 C 02 16 32.29 -48 35 56.4 428
2001-02-20 09:48:09 C 02 37 51.21 -45 16 49.1 428
2001-02-20 09:56:58 C 02 37 52.17 -45 16 39.1 428
2001-07-17 23:14:29 C 12 04 53.84 +59 24 20.9 587
2001-07-17 23:21:09 C 12 04 55.30 +59 24 20.9 587
2001-07-17 23:28:00 C 12 04 56.82 +59 24 19.0 587
2001-09-24 02:57:33 C 17 26 46.32 +29 19 18.5 18.8 i 704
2001-09-24 03:39:08 C 17 26 52.13 +29 18 04.8 19.4 i 704
2001-09-24 04:00:43 C 17 26 55.08 +29 17 25.8 19.3 i 704
2001-09-24 04:21:31 C 17 26 57.93 +29 16 49.2 18.8 i 704
2002-10-04 15:06:59 C 08 35 19.77 -39 23 49.3 c 474
2002-10-04 15:09:11 C 08 35 20.17 -39 23 50.6 c 474
2002-10-04 15:14:41 C 08 35 21.00 -39 23 54.2 c 474
2002-10-04 15:25:00 C 08 35 22.50 -39 24 00.2 c 474
2002-12-02 15:05:21 C 12 14 58.35 -43 25 07.9 c 474
2002-12-02 15:07:01 C 12 14 58.63 -43 25 07.3 c 474
2002-12-02 15:10:50 C 12 14 59.25 -43 25 05.9 c 474
2003-03-09 04:39:02 C 19 55 03.56 +28 32 53.6 941
2003-03-09 04:59:28 C 19 55 07.15 +28 33 18.4 941
2003-03-09 05:01:15 C 19 55 07.55 +28 33 20.6 941
2003-07-09 00:42:52 C 23 42 07.86 +42 42 57.8 19.5 c 461
2003-07-09 00:57:25 C 23 42 07.69 +42 42 55.6 c 461
2003-07-18 00:30:55 C 23 37 56.97 +41 48 59.1 c 198
2003-07-18 00:48:43 C 23 37 56.41 +41 48 53.3 c 198
2003-07-18 00:51:16 C 23 37 56.35 +41 48 52.5 c 198
2003-07-18 22:41:40 C 23 37 17.07 +41 41 15.6 d 151
2003-07-18 22:45:12 C 23 37 16.96 +41 41 14.1 d 151
2003-07-18 22:46:28 C 23 37 16.92 +41 41 13.6 d 151
2003-07-18 22:48:12 C 23 37 16.87 +41 41 13.0 d 151
2003-07-18 22:57:02 C 23 37 16.58 +41 41 10.3 d 151
2003-07-18 22:58:49 C 23 37 16.50 +41 41 10.3 d 151
2003-07-18 23:02:13 C 23 37 16.45 +41 41 09.1 d 151
2003-07-29 23:20:41 C 23 25 45.37 +39 27 46.6 c 240
2003-07-29 23:24:35 C 23 25 45.18 +39 27 44.2 c 240
2003-07-29 23:27:10 C 23 25 45.05 +39 27 42.5 c 240
2003-07-29 23:33:41 C 23 25 44.68 +39 27 38.4 c 240
2003-07-29 23:40:11 C 23 25 44.24 +39 27 34.1 c 240
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)