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
1990-07-21 09:51:59 A 21 20 48.92 -24 10 11.9 16.0 675
1990-07-21 10:32:00 A 21 20 56.95 -24 10 02.7 675
1990-07-26 08:33:44 A 21 56 34.32 -23 19 39.9 16.3 675
1990-07-26 09:18:30 A 21 56 51.01 -23 19 05.5 675
1990-07-28 08:11:44 A 22 18 15.49 -22 31 52.4 675
1990-07-28 08:59:29 A 22 18 38.86 -22 30 52.6 675
1990-07-29 09:23:44 A 22 32 16.26 -21 54 19.5 675
1990-07-29 10:16:29 A 22 32 46.90 -21 53 04.7 657
1990-07-29 12:15:21 A 22 34 02.82 -21 46 36.4 16.0 474
1990-07-29 12:21:22 A 22 34 06.35 -21 46 25.9 474
1990-07-29 14:30:21 A 22 35 22.02 -21 42 40.0 474
1990-07-29 14:36:52 A 22 35 25.92 -21 42 27.9 474
1990-07-30 09:05:17 A 22 47 30.67 -21 07 47.9 675
1990-07-31 08:35:36 A 23 04 53.68 -20 07 52.2 657
1990-07-31 08:43:35 A 23 04 59.53 -20 07 31.4 657
1990-07-31 09:37:50 A 23 05 47.00 -20 00 54.7 474
1990-07-31 09:49:51 A 23 05 56.43 -20 00 21.1 474
1990-07-31 17:32:21 A 23 12 00.60 -19 36 53.6 474
1990-07-31 17:37:43 A 23 12 05.02 -19 36 34.2 474
1990-08-01 09:58:35 A 23 26 27.62 -18 42 36.8 657
1990-08-01 10:02:40 A 23 26 37.66 -18 38 03.8 474
1990-08-01 10:10:36 A 23 26 44.88 -18 37 34.5 474
1990-08-01 10:26:36 A 23 26 52.38 -18 40 50.9 657
1990-08-02 09:53:35 A 23 49 47.75 -16 57 52.7 657
1990-08-02 10:06:36 A 23 50 00.85 -16 56 47.4 657
1990-08-02 18:01:35 A 23 58 16.32 -16 11 48.1 474
1990-08-02 18:10:21 A 23 58 25.49 -16 11 01.1 474
1990-08-03 09:49:35 A 00 16 07.49 -14 45 00.8 657
1990-08-03 09:58:35 A 00 16 17.59 -14 44 05.0 657
2002-02-12 04:18:53 C 09 37 57.48 +15 09 56.8 o 809
2002-02-12 06:30:50 C 09 37 47.81 +15 10 38.4 o 809
2002-02-12 07:44:13 C 09 37 42.46 +15 11 01.1 o 809
2003-06-11 12:56:32 C 16 55 19.57 -25 47 50.5 e 413
2003-06-11 12:59:50 C 16 55 19.25 -25 47 50.4 e 413
2003-06-11 14:14:49 C 16 55 12.34 -25 47 44.5 e 413
2003-06-11 14:33:55 C 16 55 10.47 -25 47 42.7 e 413
2003-06-16 14:36:10 C 16 44 06.80 -25 35 05.5 e 413
2003-11-16 12:00:20 C 08 21 01.28 +53 10 12.9 c 926
2003-11-16 12:00:48 C 08 21 00.49 +53 10 10.5 c 926
2003-11-16 12:01:15 C 08 20 59.66 +53 10 07.8 c 926
2003-11-16 15:04:09 C 08 16 20.64 +52 50 47.4 355
2003-11-16 15:05:24 C 08 16 18.63 +52 50 41.8 355
2003-11-16 15:06:40 C 08 16 16.50 +52 50 34.7 355
2003-11-16 15:07:54 C 08 16 14.45 +52 50 28.5 355
2003-11-16 20:05:34 C 08 08 26.29 +52 18 32.1 c J93
2003-11-16 20:06:38 C 08 08 24.93 +52 18 27.0 c J93
2003-11-16 20:08:36 C 08 08 21.93 +52 18 15.9 c J93
2003-11-16 20:09:40 C 08 08 20.21 +52 18 09.5 c J93
2003-11-16 20:10:43 C 08 08 18.91 +52 18 04.9 c J93
2003-11-17 10:54:14 C 07 48 17.02 +50 55 30.6 c 670
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)