137032 (1998 UO1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7633752751 ± 2.11e-08
Semi-major axis (a)1.5955385583 AU ± 6.08e-10
Inclination (i)25.47474059° ± 4.04e-06
Long. of Asc. Node (Ω)358.31333259° ± 1.79e-06
Arg. of Perihelion (ω)252.60171993° ± 4.51e-06
Mean Anomaly (M)206.04380474° ± 2.15e-06
Mean Motion (n)0.4890478120°/day ± 2.79e-10
Perihelion dist (q)0.37754387 AU ± 3.37e-08
Aphelion dist (Q)2.81353324 AU ± 3.37e-08
Orbital Period2.01539862 yr ± 1.15e-09
Physical Parameters
H (abs. magnitude)16.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.320″
Uncertainty0
Orbit TypeApollo
MOID0.060140 AU
Observations Used1496
Radar Obs Used5
Oppositions9
Arc Total1992-2010
First Observation Used1992-10-20
Last Observation Used2025-01-01
Observations (1593)
Date Type RA Dec Mag Band Observatory
2023-10-22 14:20:54 C 06 17 32.880 +54 14 48.80 X F52
2023-10-22 14:40:16 C 06 17 32.522 +54 14 58.10 X F52
2024-11-18 01:51:58 C 20 42 47.639 -09 54 07.31 V 703
2024-11-18 01:55:15 C 20 42 48.402 -09 54 00.83 V 703
2024-11-18 01:58:32 C 20 42 49.216 -09 53 54.96 V 703
2024-11-18 02:01:50 C 20 42 50.018 -09 53 49.13 V 703
2024-11-20 01:37:35 C 20 53 46.795 -08 28 23.66 V 703
2024-11-20 01:44:14 C 20 53 48.257 -08 28 10.85 V 703
2024-11-20 01:47:33 C 20 53 49.002 -08 28 05.34 V 703
2024-11-20 04:45:03 C 20 54 28.298 -08 22 53.15 V T08
2024-11-20 04:49:40 C 20 54 29.347 -08 22 44.87 V T08
2024-11-20 04:59:41 C 20 54 31.519 -08 22 27.70 V T08
2024-11-20 05:21:39 C 20 54 36.326 -08 21 49.25 V T08
2024-11-21 01:56:28 C 20 59 05.557 -07 46 21.83 V 703
2024-11-21 01:59:46 C 20 59 06.180 -07 46 15.74 V 703
2024-11-21 02:03:03 C 20 59 06.882 -07 46 10.78 V 703
2024-11-21 02:06:21 C 20 59 07.645 -07 46 04.87 V 703
2024-11-22 04:56:23 C 21 04 47.018 -07 00 59.26 V T05
2024-11-22 05:00:58 C 21 04 47.928 -07 00 51.70 V T05
2024-11-22 05:21:20 C 21 04 52.073 -07 00 17.86 V T05
2024-11-22 05:29:08 C 21 04 53.698 -07 00 04.86 V T05
2024-11-24 01:22:15 C 21 13 42.553 -05 49 17.72 V 703
2024-11-24 01:25:34 C 21 13 43.194 -05 49 13.98 V 703
2024-11-24 01:32:14 C 21 13 44.418 -05 49 03.65 V 703
2024-11-27 17:44:37 B 21 30 00.13 -03 37 13.5 X K19
2024-11-27 17:49:45 B 21 30 01.03 -03 37 06.1 X K19
2024-11-27 17:54:55 B 21 30 01.91 -03 36 58.8 X K19
2024-12-01 02:28:37 C 21 43 26.159 -01 47 44.95 V 703
2024-12-01 02:35:17 C 21 43 27.293 -01 47 37.97 V 703
2024-12-01 02:38:37 C 21 43 27.829 -01 47 33.00 V 703
2024-12-02 10:58:22 C 21 48 30.70 -01 06 29.0 V D29
2024-12-02 11:18:44 C 21 48 33.80 -01 06 03.4 V D29
2024-12-02 11:39:06 C 21 48 36.90 -01 05 37.6 V D29
2024-12-03 02:15:55 C 21 50 50.305 -00 47 32.89 V 703
2024-12-03 02:22:34 C 21 50 51.313 -00 47 26.27 V 703
2024-12-03 02:25:54 C 21 50 51.954 -00 47 22.88 V 703
2024-12-05 01:46:57 C 21 57 50.360 +00 09 11.84 V 703
2024-12-05 01:50:17 C 21 57 50.875 +00 09 14.33 V 703
2024-12-05 01:53:36 C 21 57 51.415 +00 09 19.58 V 703
2024-12-05 01:56:56 C 21 57 51.858 +00 09 23.26 V 703
2025-01-01 10:48:08 C 23 11 52.58 +09 41 57.4 V D29
2025-01-01 11:08:30 C 23 11 54.50 +09 42 11.2 V D29
2025-01-01 11:28:52 C 23 11 56.40 +09 42 25.1 V D29
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-09-20 14:28:00 117621313.8 2 us 2380 -1 -1
2008-09-21 15:53:00 103364741.6 2 us 2380 -1 -1
2008-09-26 11:10:00 63036119.51 10 us 8560 -14 -14
2008-09-27 07:30:00 63644627.09 2 us 8560 -14 -14
2010-10-02 21:10:00 87743152.16 8 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)