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
2015-01-20 09:40:30 C 09 32 47.737 +16 08 56.90 L F51
2015-01-20 09:58:10 C 09 32 46.311 +16 09 03.12 L F51
2015-01-22 09:35:59 C 09 29 01.392 +16 25 34.25 L F51
2015-01-22 10:11:01 C 09 28 58.510 +16 25 46.63 L F51
2015-01-22 10:28:34 C 09 28 57.058 +16 25 52.61 L F51
2015-02-07 08:46:17 C 08 58 59.46 +18 24 00.8 q G96
2015-02-07 08:56:04 C 08 58 58.64 +18 24 03.0 q G96
2015-02-07 09:05:49 C 08 58 57.93 +18 24 05.5 q G96
2015-02-07 09:15:35 C 08 58 57.18 +18 24 07.8 q G96
2015-02-11 14:58:03 C 08 51 55.35 +18 48 02.4 q D29
2015-02-11 15:43:46 C 08 51 52.12 +18 48 14.2 q D29
2015-02-12 02:36:47 C 08 51 09.58 +18 50 42.1 t 309
2015-02-12 02:38:31 C 08 51 09.46 +18 50 42.6 t 309
2015-02-12 02:40:15 C 08 51 09.34 +18 50 42.9 t 309
2015-02-12 02:42:00 C 08 51 09.22 +18 50 43.3 t 309
2015-02-12 02:43:44 C 08 51 09.11 +18 50 43.7 t 309
2015-02-12 02:45:29 C 08 51 08.99 +18 50 44.0 t 309
2015-02-12 02:47:12 C 08 51 08.87 +18 50 44.4 t 309
2015-02-12 02:48:57 C 08 51 08.75 +18 50 44.8 t 309
2015-02-12 02:50:40 C 08 51 08.64 +18 50 45.2 t 309
2015-02-12 02:52:25 C 08 51 08.52 +18 50 45.6 t 309
2015-02-16 06:56:28 C 08 44 59.928 +19 09 57.18 L F51
2015-02-16 07:49:49 C 08 44 56.739 +19 10 06.82 L F51
2016-12-04 01:20:54 C 22 38 25.57 -04 24 45.0 q G96
2016-12-04 01:27:03 C 22 38 27.61 -04 24 31.4 q G96
2016-12-04 01:33:18 C 22 38 29.66 -04 24 17.5 q G96
2016-12-04 01:39:29 C 22 38 31.71 -04 24 04.2 q G96
2016-12-17 12:21:12 S 00 25 21.799 +07 10 03.25 L C51
2016-12-17 15:29:53 S 00 26 19.985 +07 16 05.38 L C51
2016-12-18 00:55:45 S 00 29 14.04 +07 34 00.8 L C51
2016-12-18 02:30:00 S 00 29 42.96 +07 36 59.0 L C51
2016-12-18 04:04:26 S 00 30 11.82 +07 39 56.8 L C51
2016-12-18 05:38:41 S 00 30 40.66 +07 42 54.9 L C51
2016-12-18 07:12:57 S 00 31 09.29 +07 45 51.7 L C51
2016-12-18 08:47:22 S 00 31 38.23 +07 48 47.4 L C51
2016-12-18 11:55:52 S 00 32 35.62 +07 54 41.1 L C51
2016-12-18 15:04:33 S 00 33 32.97 +08 00 31.9 L C51
2016-12-18 18:13:14 S 00 34 30.13 +08 06 22.1 L C51
2016-12-18 21:21:55 S 00 35 27.247 +08 12 08.82 L C51
2016-12-22 01:19:43 C 00 57 45.55 +10 24 33.9 q H45
2016-12-22 01:21:16 C 00 57 45.89 +10 24 35.5 q H45
2016-12-22 01:22:42 C 00 57 46.32 +10 24 38.0 q H45
2016-12-22 01:24:02 C 00 57 46.72 +10 24 40.1 q H45
2016-12-22 01:25:28 C 00 57 47.12 +10 24 42.2 q H45
2016-12-22 01:26:48 C 00 57 47.51 +10 24 45.0 q H45
2016-12-27 02:07:48 C 01 30 25.93 +13 24 51.7 R G45
2016-12-27 02:13:24 C 01 30 27.31 +13 24 59.2 R G45
2016-12-27 02:15:14 C 01 30 27.76 +13 25 01.1 R G45
2016-12-27 02:20:52 C 01 30 29.20 +13 25 08.9 R G45
2016-12-27 02:22:17 C 01 30 29.57 +13 25 10.8 R G45
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)