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
2003-12-26 06:28:59 C 05 21 28.80 +28 01 12.1 c H41
2003-12-26 06:32:54 C 05 21 28.78 +28 01 12.0 c H41
2003-12-27 05:20:41 C 05 21 15.05 +27 53 44.3 18.1 c 704
2003-12-27 05:39:25 C 05 21 14.84 +27 53 37.7 19.0 c 704
2003-12-27 05:58:59 C 05 21 14.40 +27 53 29.8 19.4 c 704
2003-12-27 06:17:28 C 05 21 14.01 +27 53 25.5 19.2 c 704
2003-12-27 06:36:22 C 05 21 13.59 +27 53 19.5 18.5 c 704
2003-12-28 04:49:16 C 05 21 02.03 +27 46 20.4 17.7 d H72
2003-12-28 04:53:56 C 05 21 01.93 +27 46 19.2 17.4 d H72
2003-12-28 04:58:36 C 05 21 01.79 +27 46 17.9 17.6 d H72
2003-12-28 05:03:16 C 05 21 01.78 +27 46 15.9 17.8 d H72
2003-12-30 22:27:45 C 05 20 42.00 +27 26 46.8 o 084
2004-01-17 21:37:24 C 05 26 18.45 +26 01 07.4 r 941
2004-01-17 21:40:41 C 05 26 18.56 +26 01 06.9 r 941
2004-01-17 21:42:19 C 05 26 18.60 +26 01 06.7 r 941
2004-01-17 21:48:52 C 05 26 18.78 +26 01 06.3 r 941
2004-01-17 21:50:30 C 05 26 18.83 +26 01 06.0 r 941
2004-01-17 21:52:09 C 05 26 18.87 +26 01 05.9 r 941
2004-01-22 05:40:07 C 05 29 20.52 +25 47 54.2 20.5 c 704
2004-01-22 05:58:40 C 05 29 21.05 +25 47 52.3 20.3 c 704
2004-01-22 06:17:14 C 05 29 21.55 +25 47 49.2 20.6 c 704
2004-01-22 06:35:57 C 05 29 21.99 +25 47 47.0 20.7 c 704
2004-02-27 03:26:49 C 06 11 21.03 +24 38 29.6 o 695
2004-02-27 05:39:40 C 06 11 28.87 +24 38 18.8 o 695
2005-05-06 00:54:38 C 14 43 18.95 -17 42 17.3 21.2 o J50
2005-05-06 00:56:17 C 14 43 18.85 -17 42 16.8 21.1 o J50
2005-05-06 01:24:27 C 14 43 16.87 -17 42 08.8 21.2 o J50
2005-05-06 01:26:04 C 14 43 16.77 -17 42 08.2 21.4 o J50
2005-05-06 02:02:43 C 14 43 14.19 -17 41 58.0 21.1 o J50
2005-05-06 02:04:22 C 14 43 14.05 -17 41 57.4 21.6 o J50
2005-05-14 05:14:34 C 14 29 54.54 -16 43 06.3 d 291
2005-05-14 05:23:06 C 14 29 54.03 -16 43 02.9 d 291
2005-05-14 05:31:56 C 14 29 53.38 -16 43 01.1 d 291
2005-05-14 05:41:21 C 14 29 52.74 -16 42 58.0 d 291
2005-05-14 05:49:48 C 14 29 52.17 -16 42 54.9 d 291
2005-05-14 05:58:01 C 14 29 51.77 -16 42 53.3 d 291
2005-06-14 04:13:51 C 13 52 24.30 -13 24 56.8 d 291
2005-06-14 04:22:31 C 13 52 24.00 -13 24 54.2 d 291
2005-06-14 04:30:26 C 13 52 23.91 -13 24 54.2 d 291
2013-03-14 05:25:09 C 10 19 25.72 +10 36 28.6 o 695
2013-03-14 09:01:40 C 10 19 14.47 +10 37 25.8 o 695
2015-01-17 10:00:30 C 09 38 16.944 +15 44 05.55 L F51
2015-01-17 10:17:49 C 09 38 15.599 +15 44 11.65 L F51
2015-01-17 10:35:09 C 09 38 14.252 +15 44 17.89 L F51
2015-01-17 10:52:31 C 09 38 12.893 +15 44 23.84 L F51
2015-01-17 13:52:41 C 09 37 58.811 +15 45 25.94 L F51
2015-01-17 14:10:27 C 09 37 57.417 +15 45 31.99 L F51
2015-01-17 14:28:14 C 09 37 56.034 +15 45 38.02 L F51
2015-01-20 09:05:47 C 09 32 50.534 +16 08 44.52 L F51
2015-01-20 09:23:08 C 09 32 49.134 +16 08 50.79 L F51
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)