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
2000-10-18 01:15:37 C 00 49 01.64 +41 47 39.1 i 726
2000-10-23 19:46:13 C 00 28 37.04 +39 17 45.5 151
2000-10-23 19:50:07 C 00 28 36.52 +39 17 41.0 151
2000-10-23 19:54:08 C 00 28 36.00 +39 17 36.7 151
2000-10-23 19:57:11 C 00 28 35.65 +39 17 33.9 151
2000-10-28 20:12:04 C 00 15 49.57 +37 11 09.3 151
2000-10-28 20:15:11 C 00 15 49.27 +37 11 05.9 151
2000-10-28 20:16:47 C 00 15 49.11 +37 11 04.6 151
2000-10-28 20:18:23 C 00 15 48.94 +37 11 02.2 151
2002-09-08 12:11:11 C 06 20 00.42 +30 36 14.4 c 848
2002-09-08 12:12:19 C 06 20 00.05 +30 36 17.4 c 848
2002-09-08 12:20:07 C 06 19 57.60 +30 36 46.7 c 848
2002-09-08 12:21:21 C 06 19 57.11 +30 36 52.1 c 848
2002-09-08 12:22:31 C 06 19 56.69 +30 36 54.4 c 848
2002-09-09 01:39:37 C 06 15 38.54 +31 22 24.9 c 113
2002-09-09 01:41:12 C 06 15 38.03 +31 22 30.1 c 113
2002-09-09 01:42:53 C 06 15 37.47 +31 22 36.1 c 113
2002-09-09 01:44:28 C 06 15 36.90 +31 22 42.2 c 113
2002-09-14 01:26:24 C 05 32 23.59 +37 55 17.0 c 196
2002-09-14 01:52:28 C 05 32 13.22 +37 56 37.8 c 196
2002-09-14 01:56:34 C 05 32 11.79 +37 56 52.4 d 170
2002-09-14 01:58:59 C 05 32 10.76 +37 57 00.1 d 170
2002-09-14 23:52:20 C 05 23 21.12 +39 02 38.6 c 151
2002-09-14 23:53:08 C 05 23 20.87 +39 02 40.6 c 151
2002-09-14 23:57:19 C 05 23 19.12 +39 02 53.3 c 151
2002-09-14 23:57:58 C 05 23 18.81 +39 02 55.6 c 151
2002-09-14 23:58:37 C 05 23 18.60 +39 02 57.7 c 151
2002-09-14 23:59:21 C 05 23 18.25 +39 02 59.3 c 151
2002-09-15 00:01:11 C 05 23 17.49 +39 03 05.3 c 151
2002-09-15 00:01:54 C 05 23 17.21 +39 03 07.1 c 151
2002-09-15 00:02:37 C 05 23 16.94 +39 03 09.2 c 151
2002-09-15 00:03:48 C 05 23 16.41 +39 03 12.5 c 151
2002-09-17 21:38:32 C 04 53 19.14 +42 12 36.0 c 240
2002-09-17 21:55:42 C 04 53 11.40 +42 13 20.2 c 240
2002-09-17 22:00:58 C 04 53 09.03 +42 13 33.5 c 240
2002-09-22 01:30:59 C 04 06 08.97 +45 37 56.7 232
2002-09-22 01:34:19 C 04 06 07.39 +45 38 01.9 232
2002-09-22 01:44:17 C 04 06 02.27 +45 38 17.6 232
2002-09-22 01:50:55 C 04 05 58.83 +45 38 28.2 232
2002-09-22 11:35:41 C 04 01 11.23 +45 53 38.9 c 926
2002-09-22 11:37:00 C 04 01 10.64 +45 53 41.1 c 926
2002-09-22 11:40:38 C 04 01 08.75 +45 53 45.8 c 926
2002-09-22 11:41:59 C 04 01 08.15 +45 53 47.9 c 926
2002-09-28 20:59:07 C 02 46 32.76 +47 48 05.7 c 151
2002-09-28 20:59:53 C 02 46 32.39 +47 48 05.9 c 151
2002-09-28 21:00:29 C 02 46 32.04 +47 48 06.0 c 151
2002-09-28 21:02:55 C 02 46 30.92 +47 48 05.9 c 151
2002-09-28 21:03:56 C 02 46 30.47 +47 48 06.3 c 151
2002-09-28 21:10:24 C 02 46 27.44 +47 48 06.6 c 151
2002-09-28 21:11:07 C 02 46 27.12 +47 48 06.6 c 151
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)