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
2004-09-26 09:19:44 C 03 12 01.83 +50 46 50.0 16.2 c 704
2004-09-26 09:37:21 C 03 11 47.93 +50 46 54.4 16.1 c 704
2004-09-29 05:11:30 C 02 23 04.66 +50 18 36.5 r 750
2004-09-29 05:14:47 C 02 23 02.50 +50 18 33.3 r 750
2004-09-29 05:23:10 C 02 22 56.84 +50 18 25.6 r 750
2004-09-29 05:30:38 C 02 22 51.82 +50 18 19.0 r 750
2004-09-29 05:38:59 C 02 22 46.20 +50 18 11.5 r 750
2004-09-30 13:20:22 C 02 02 47.52 +49 41 39.5 m 379
2004-09-30 13:22:01 C 02 02 46.60 +49 41 37.4 m 379
2004-09-30 13:23:39 C 02 02 45.58 +49 41 34.7 m 379
2004-09-30 13:26:57 C 02 02 43.53 +49 41 31.6 m 379
2004-09-30 21:22:27 C 01 58 02.01 +49 30 31.8 r A13
2004-09-30 21:24:05 C 01 58 01.04 +49 30 29.3 r A13
2004-09-30 21:24:52 C 01 58 00.65 +49 30 27.6 r A13
2004-10-02 01:55:50 C 01 42 08.34 +48 46 57.7 r 928
2004-10-02 02:01:58 C 01 42 05.03 +48 46 48.1 r 928
2004-10-02 02:03:48 C 01 42 04.04 +48 46 45.2 r 928
2004-10-05 06:32:58 C 01 06 44.48 +46 28 02.0 16.1 c 704
2004-10-05 07:02:11 C 01 06 32.59 +46 27 06.0 16.7 c 704
2004-10-05 07:16:48 C 01 06 26.59 +46 26 36.2 17.0 c 704
2004-10-05 07:31:24 C 01 06 20.67 +46 26 08.4 16.5 c 704
2004-10-05 18:56:25 C 01 01 56.33 +46 03 40.2 c A35
2004-10-05 18:57:08 C 01 01 56.05 +46 03 38.8 c A35
2004-10-05 18:58:31 C 01 01 55.52 +46 03 36.2 c A35
2004-10-06 07:21:46 C 00 57 17.70 +45 39 31.5 r H41
2004-10-06 07:24:27 C 00 57 16.73 +45 39 26.3 r H41
2004-10-06 07:25:45 C 00 57 16.26 +45 39 23.6 r H41
2004-10-06 07:26:59 C 00 57 15.81 +45 39 21.1 r H41
2004-10-06 07:28:12 C 00 57 15.33 +45 39 18.5 r H41
2004-10-06 07:29:26 C 00 57 14.90 +45 39 16.1 r H41
2004-10-06 11:48:09 C 00 55 44.22 +45 30 43.4 m 379
2004-10-06 11:49:49 C 00 55 43.58 +45 30 39.4 m 379
2004-10-06 11:51:27 C 00 55 43.01 +45 30 37.0 m 379
2004-10-06 11:53:07 C 00 55 42.45 +45 30 34.2 m 379
2004-10-06 11:56:24 C 00 55 41.19 +45 30 27.2 m 379
2004-10-06 11:58:04 C 00 55 40.59 +45 30 24.7 m 379
2004-10-06 12:01:22 C 00 55 39.38 +45 30 18.3 m 379
2004-10-07 11:50:07 C 00 47 33.91 +44 43 18.1 m 379
2004-10-07 11:53:25 C 00 47 32.78 +44 43 12.3 m 379
2004-10-07 11:55:03 C 00 47 32.25 +44 43 08.6 m 379
2004-10-07 11:56:43 C 00 47 31.72 +44 43 05.7 m 379
2004-10-07 12:00:00 C 00 47 30.56 +44 42 59.2 m 379
2004-10-07 12:08:15 C 00 47 27.92 +44 42 43.5 m 379
2004-10-11 05:30:48 C 00 22 57.00 +41 49 38.2 r 750
2004-10-11 05:33:39 C 00 22 56.31 +41 49 32.5 r 750
2004-10-11 05:37:44 C 00 22 55.34 +41 49 25.0 r 750
2004-10-11 21:42:59 C 00 19 20.52 +41 19 22.4 16.0 z A70
2004-10-11 21:56:59 C 00 19 17.48 +41 18 55.3 15.7 z A70
2004-10-11 22:05:00 C 00 19 15.66 +41 18 40.6 15.9 z A70
2004-10-12 06:10:30 C 00 17 32.71 +41 04 01.1 16.0 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)