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
2004-10-12 06:26:28 C 00 17 29.26 +41 03 32.1 16.2 c 704
2004-10-12 06:42:24 C 00 17 25.82 +41 03 02.7 16.3 c 704
2004-10-12 06:58:21 C 00 17 22.38 +41 02 32.5 16.7 c 704
2004-10-12 07:14:19 C 00 17 18.96 +41 02 04.0 16.6 c 704
2004-10-12 20:37:33 C 00 14 37.25 +40 37 42.5 c J81
2004-10-12 20:45:47 C 00 14 35.57 +40 37 27.6 c J81
2004-10-12 21:13:39 C 00 14 29.96 +40 36 38.2 c J81
2004-10-12 21:33:10 C 00 14 25.94 +40 36 04.5 c J81
2004-10-13 00:07:54 C 00 13 56.44 +40 31 23.8 r 928
2004-10-13 00:20:32 C 00 13 53.85 +40 31 01.5 r 928
2004-10-13 00:25:35 C 00 13 52.94 +40 30 52.9 r 928
2004-10-13 00:28:11 C 00 13 52.35 +40 30 47.6 r 928
2004-10-13 00:36:00 C 00 13 50.77 +40 30 34.5 r 928
2004-10-13 00:38:55 C 00 13 50.20 +40 30 29.3 r 928
2004-10-13 00:41:02 C 00 13 49.77 +40 30 25.7 r 928
2004-10-13 04:56:07 C 00 12 59.74 +40 22 54.4 16.7 c 704
2004-10-13 05:13:05 C 00 12 56.37 +40 22 24.3 16.5 c 704
2004-10-13 05:29:53 C 00 12 53.06 +40 21 54.5 16.7 c 704
2004-10-14 04:58:56 C 00 08 35.35 +39 40 39.5 17.1 c 704
2004-10-14 05:12:29 C 00 08 32.87 +39 40 16.3 17.1 c 704
2004-10-14 05:26:00 C 00 08 30.43 +39 39 52.6 17.0 c 704
2004-10-14 06:39:53 C 00 08 16.73 +39 37 42.9 r H41
2004-10-14 06:41:43 C 00 08 16.40 +39 37 39.6 r H41
2004-10-14 06:44:00 C 00 08 15.97 +39 37 35.7 r H41
2004-10-14 06:45:50 C 00 08 15.65 +39 37 32.5 r H41
2004-10-14 06:47:43 C 00 08 15.30 +39 37 29.2 r H41
2004-10-14 15:07:54 C 00 06 49.87 +39 23 10.6 m 379
2004-10-14 15:10:03 C 00 06 49.46 +39 23 06.5 m 379
2004-10-14 15:12:11 C 00 06 49.10 +39 23 02.7 m 379
2004-10-14 15:16:30 C 00 06 48.36 +39 22 55.6 m 379
2004-10-14 15:25:05 C 00 06 46.84 +39 22 40.5 m 379
2004-10-16 12:17:59 C 23 59 51.31 +38 08 17.5 m 379
2004-10-16 12:33:02 C 23 59 49.05 +38 07 53.5 m 379
2004-10-16 12:37:21 C 23 59 48.41 +38 07 46.9 m 379
2004-10-17 12:37:48 C 23 56 33.20 +37 29 52.6 r 379
2004-10-17 12:42:07 C 23 56 32.60 +37 29 45.5 r 379
2004-10-17 13:59:55 C 23 56 22.06 +37 27 44.3 m 355
2004-10-17 14:04:12 C 23 56 21.48 +37 27 37.5 m 355
2004-10-17 14:07:22 C 23 56 21.11 +37 27 33.0 m 355
2004-10-17 14:10:26 C 23 56 20.72 +37 27 27.7 m 355
2004-10-17 23:32:02 C 23 55 09.53 +37 13 00.0 17.2 r 130
2004-10-17 23:35:20 C 23 55 09.08 +37 12 54.8 17.2 r 130
2004-10-17 23:37:31 C 23 55 08.80 +37 12 51.5 17.3 r 130
2004-10-17 23:39:20 C 23 55 08.58 +37 12 48.7 17.3 r 130
2004-10-19 05:38:40 C 23 51 37.67 +36 28 06.8 r H41
2004-10-19 05:41:28 C 23 51 37.31 +36 28 02.0 r H41
2004-10-19 05:42:56 C 23 51 37.16 +36 28 00.4 r H41
2004-10-19 05:44:30 C 23 51 36.98 +36 27 57.6 r H41
2004-10-19 05:46:13 C 23 51 36.86 +36 27 54.4 r H41
2004-10-20 06:40:12 C 23 48 58.92 +35 52 14.5 r H41
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)