162000 (1990 OS)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4623725595 ± 1.56e-08
Semi-major axis (a)1.6784345017 AU ± 1.07e-09
Inclination (i)1.09125004° ± 9.00e-07
Long. of Asc. Node (Ω)346.49072894° ± 1.17e-04
Arg. of Perihelion (ω)21.62257073° ± 1.19e-04
Mean Anomaly (M)60.95738853° ± 4.82e-06
Mean Motion (n)0.4532686462°/day ± 4.33e-10
Perihelion dist (q)0.90237245 AU ± 2.61e-08
Aphelion dist (Q)2.45449656 AU ± 2.62e-08
Orbital Period2.17448591 yr ± 2.08e-09
Physical Parameters
H (abs. magnitude)19.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.460″
Uncertainty0
Orbit TypeApollo
MOID0.009064 AU
Observations Used398
Radar Obs Used9
Oppositions7
Arc Total1990-2024
First Observation Used1990-07-21
Last Observation Used2024-02-11
Observations (421)
Date Type RA Dec Mag Band Observatory
2003-12-18 14:17:20 C 05 25 15.43 +29 14 09.1 m 379
2003-12-19 05:09:31 C 05 24 49.68 +29 07 26.4 16.9 d H72
2003-12-19 05:14:11 C 05 24 49.63 +29 07 23.2 16.9 d H72
2003-12-19 05:18:53 C 05 24 49.49 +29 07 20.6 15.9 d H72
2003-12-19 05:23:34 C 05 24 49.18 +29 07 19.5 17.2 d H72
2003-12-19 06:14:55 C 05 24 47.68 +29 06 50.7 c H41
2003-12-19 06:20:27 C 05 24 47.50 +29 06 47.9 c H41
2003-12-19 06:24:14 C 05 24 47.34 +29 06 46.3 c H41
2003-12-19 06:26:51 C 05 24 47.21 +29 06 45.4 c H41
2003-12-19 06:29:26 C 05 24 47.13 +29 06 44.4 c H41
2003-12-19 08:40:24 C 05 24 41.69 +29 05 44.3 17.1 d H72
2003-12-19 08:45:04 C 05 24 41.60 +29 05 42.0 17.1 d H72
2003-12-19 08:49:44 C 05 24 41.41 +29 05 38.3 16.5 d H72
2003-12-19 08:54:25 C 05 24 41.23 +29 05 35.4 16.8 d H72
2003-12-20 05:05:49 C 05 24 11.41 +28 56 50.9 17.3 d H72
2003-12-20 05:10:31 C 05 24 11.23 +28 56 49.2 16.8 d H72
2003-12-20 05:15:11 C 05 24 11.04 +28 56 47.7 17.1 d H72
2003-12-20 05:19:52 C 05 24 10.88 +28 56 45.1 17.1 d H72
2003-12-20 06:55:20 C 05 24 07.98 +28 55 57.6 c H41
2003-12-20 06:57:55 C 05 24 07.85 +28 55 56.2 c H41
2003-12-20 07:00:57 C 05 24 07.74 +28 55 55.1 c H41
2003-12-20 07:03:07 C 05 24 07.68 +28 55 54.1 c H41
2003-12-20 07:05:14 C 05 24 07.59 +28 55 53.0 c H41
2003-12-20 07:07:33 C 05 24 07.54 +28 55 52.2 c H41
2003-12-21 13:45:36 C 05 23 24.90 +28 43 01.4 m 379
2003-12-21 13:47:46 C 05 23 24.83 +28 43 00.2 m 379
2003-12-22 06:29:45 C 05 23 03.02 +28 36 18.5 17.4 c 704
2003-12-22 06:48:36 C 05 23 02.47 +28 36 10.9 17.5 c 704
2003-12-22 07:07:39 C 05 23 01.88 +28 36 03.3 17.4 c 704
2003-12-22 07:26:57 C 05 23 01.30 +28 35 55.3 17.7 c 704
2003-12-22 07:46:01 C 05 23 00.74 +28 35 47.6 18.2 c 704
2003-12-23 08:06:08 C 05 22 31.68 +28 26 19.0 c H41
2003-12-23 08:10:14 C 05 22 31.54 +28 26 17.3 c H41
2003-12-23 08:13:31 C 05 22 31.51 +28 26 15.4 c H41
2003-12-23 08:16:15 C 05 22 31.44 +28 26 15.0 c H41
2003-12-23 08:18:53 C 05 22 31.36 +28 26 13.0 c H41
2003-12-23 13:32:14 C 05 22 27.44 +28 24 54.2 17.6 r D85
2003-12-23 13:36:09 C 05 22 27.37 +28 24 52.6 17.6 r D85
2003-12-23 13:47:58 C 05 22 27.07 +28 24 47.3 17.4 r D85
2003-12-24 00:46:59 C 05 22 14.59 +28 19 57.1 c 113
2003-12-24 00:49:05 C 05 22 14.51 +28 19 56.5 c 113
2003-12-24 00:51:09 C 05 22 14.47 +28 19 55.5 c 113
2003-12-24 00:53:15 C 05 22 14.43 +28 19 54.7 c 113
2003-12-24 00:55:20 C 05 22 14.39 +28 19 53.9 c 113
2003-12-24 07:28:23 C 05 22 07.88 +28 17 39.4 c H41
2003-12-24 07:31:41 C 05 22 07.78 +28 17 37.4 c H41
2003-12-24 07:35:05 C 05 22 07.67 +28 17 36.8 c H41
2003-12-24 08:03:16 C 05 22 07.07 +28 17 25.8 c H41
2003-12-26 06:20:38 C 05 21 29.06 +28 01 16.0 c H41
2003-12-26 06:25:43 C 05 21 28.97 +28 01 14.5 c H41
Radar Observations (9)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1990-08-02 10:40:00 348392 6 Hz 8495 -14 -14
1990-08-03 09:00:00 298666 6 Hz 8495 -14 -14
2003-11-05 16:52:00 126900.45 1 Hz 2380 -1 -1
2003-11-05 17:07:00 41103131.5 8 us 2380 -1 -1
2003-11-06 16:18:00 119965.29 1 Hz 2380 -1 -1
2003-11-06 16:29:00 36785518.6 0.5 us 2380 -1 -1
2003-11-11 14:20:00 22880622 10 us 8560 -14 -14
2003-11-11 22:00:00 22774376 1 us 8560 -14 -14
2003-11-12 14:40:00 22973782.6 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)