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
2002-10-26 00:37:09 C 00 01 55.13 +36 09 04.5 m 859
2002-10-26 18:42:29 C 00 00 21.29 +35 48 22.6 c 151
2002-10-26 18:45:38 C 00 00 21.02 +35 48 19.5 c 151
2002-10-26 18:46:48 C 00 00 20.89 +35 48 18.0 c 151
2002-10-26 18:48:10 C 00 00 20.79 +35 48 16.4 c 151
2002-10-26 21:50:17 C 00 00 04.96 +35 44 55.4 d 170
2002-10-26 21:52:23 C 00 00 04.78 +35 44 53.2 d 170
2002-10-26 21:54:29 C 00 00 04.56 +35 44 50.6 d 170
2002-10-26 21:56:34 C 00 00 04.42 +35 44 47.7 d 170
2002-10-26 21:58:37 C 00 00 04.27 +35 44 45.5 d 170
2002-10-31 04:04:14 C 23 52 51.66 +33 57 08.5 17.7 c 704
2002-10-31 04:28:27 C 23 52 50.17 +33 56 44.3 18.2 c 704
2002-10-31 04:52:50 C 23 52 48.63 +33 56 19.7 18.1 c 704
2002-10-31 05:16:26 C 23 52 47.17 +33 55 56.7 18.0 c 704
2002-10-31 05:40:03 C 23 52 45.71 +33 55 33.2 18.5 c 704
2002-11-01 19:50:19 C 23 50 41.67 +33 18 31.9 d J87
2002-11-01 20:00:42 C 23 50 40.89 +33 18 21.8 d J87
2002-11-07 20:10:52 C 23 45 16.03 +31 13 53.6 c 938
2002-11-07 22:22:54 C 23 45 12.13 +31 12 11.3 c 938
2002-11-11 03:44:10 C 23 43 37.54 +30 15 02.5 18.4 c 704
2002-11-11 04:08:55 C 23 43 37.05 +30 14 45.1 18.8 c 704
2002-11-11 04:33:04 C 23 43 36.67 +30 14 28.2 18.7 c 704
2002-11-11 04:56:54 C 23 43 36.15 +30 14 10.9 18.8 c 704
2002-11-11 05:21:08 C 23 43 35.80 +30 13 54.3 18.7 c 704
2002-12-27 01:51:48 C 00 08 17.00 +24 45 06.7 o 644
2002-12-27 02:23:03 C 00 08 18.29 +24 45 05.5 o 644
2002-12-27 02:53:00 C 00 08 19.54 +24 45 04.7 o 644
2003-12-26 20:15:51 C 05 03 34.53 +63 08 16.8 o 461
2003-12-26 20:18:30 C 05 03 34.21 +63 08 15.2 o 461
2004-09-13 10:00:50 C 06 52 42.06 +32 42 04.4 18.1 c 704
2004-09-13 10:18:33 C 06 52 33.39 +32 43 41.7 17.8 c 704
2004-09-13 10:35:51 C 06 52 24.86 +32 45 16.8 17.9 c 704
2004-09-13 10:53:11 C 06 52 16.31 +32 46 52.1 17.8 c 704
2004-09-13 11:09:42 C 06 52 08.14 +32 48 22.1 17.9 c 704
2004-09-17 18:25:22 C 05 52 50.81 +41 45 35.2 m 355
2004-09-17 18:28:28 C 05 52 48.71 +41 45 49.6 m 355
2004-09-17 18:29:52 C 05 52 47.74 +41 45 56.6 m 355
2004-09-17 18:31:20 C 05 52 46.80 +41 46 03.3 m 355
2004-09-19 02:48:50 C 05 30 22.91 +44 11 18.8 c 113
2004-09-19 02:49:35 C 05 30 22.44 +44 11 21.3 c 113
2004-09-19 02:50:19 C 05 30 21.83 +44 11 24.9 c 113
2004-09-19 02:51:02 C 05 30 21.31 +44 11 28.1 c 113
2004-09-19 02:51:48 C 05 30 20.79 +44 11 30.9 c 113
2004-09-22 18:06:33 C 04 22 28.86 +49 00 35.3 m 379
2004-09-22 18:09:51 C 04 22 26.13 +49 00 43.5 m 379
2004-09-22 18:14:49 C 04 22 21.98 +49 00 55.1 m 379
2004-09-22 18:18:06 C 04 22 19.26 +49 01 02.8 m 379
2004-09-26 08:26:44 C 03 12 43.58 +50 46 37.1 15.9 c 704
2004-09-26 08:44:20 C 03 12 29.77 +50 46 41.3 16.4 c 704
2004-09-26 09:01:59 C 03 12 15.78 +50 46 46.4 16.2 c 704
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)