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
2004-10-20 06:43:19 C 23 48 58.59 +35 52 09.8 r H41
2004-10-20 06:45:17 C 23 48 58.37 +35 52 07.1 r H41
2004-10-22 18:17:14 C 23 43 39.22 +34 32 13.1 c 113
2004-10-22 18:18:48 C 23 43 39.10 +34 32 11.1 c 113
2004-10-22 18:20:24 C 23 43 38.96 +34 32 09.2 c 113
2004-10-22 18:21:59 C 23 43 38.84 +34 32 07.1 c 113
2004-10-22 18:23:34 C 23 43 38.71 +34 32 05.0 c 113
2004-10-22 18:25:10 C 23 43 38.58 +34 32 02.9 c 113
2004-10-22 18:26:43 C 23 43 38.43 +34 32 01.2 c 113
2004-10-22 18:28:20 C 23 43 38.31 +34 31 58.9 c 113
2004-10-22 18:29:55 C 23 43 38.16 +34 31 57.0 c 113
2004-10-22 18:31:30 C 23 43 38.04 +34 31 55.2 c 113
2004-10-23 19:22:18 C 23 41 45.05 +34 00 46.6 r A16
2004-10-23 19:29:09 C 23 41 44.53 +34 00 38.2 r A16
2004-10-23 19:35:50 C 23 41 44.03 +34 00 30.0 r A16
2004-10-23 19:42:31 C 23 41 43.51 +34 00 21.8 r A16
2004-10-23 19:49:18 C 23 41 43.02 +34 00 13.5 r A16
2004-10-24 04:46:00 C 23 41 04.93 +33 49 23.6 17.3 c 704
2004-10-24 05:02:55 C 23 41 03.67 +33 49 03.0 17.6 c 704
2004-10-24 05:19:48 C 23 41 02.42 +33 48 42.7 17.6 c 704
2004-10-24 05:36:58 C 23 41 01.16 +33 48 21.9 17.8 c 704
2004-10-24 05:53:55 C 23 40 59.92 +33 48 01.0 17.7 c 704
2004-10-24 18:51:14 C 23 40 08.43 +33 32 27.0 r A16
2004-10-24 19:00:59 C 23 40 07.78 +33 32 15.1 r A16
2004-10-24 19:10:36 C 23 40 07.12 +33 32 04.1 r A16
2004-10-24 19:20:11 C 23 40 06.48 +33 31 52.9 r A16
2004-10-24 19:29:45 C 23 40 05.84 +33 31 42.8 r A16
2004-10-28 18:08:56 C 23 35 01.97 +31 47 53.7 o 084
2004-10-30 18:29:16 C 23 33 11.27 +31 00 45.5 o 084
2004-11-02 17:04:02 C 23 31 14.05 +29 58 16.2 o 084
2004-11-04 02:08:43 C 23 30 35.12 +29 31 28.0 17.8 c 644
2004-11-04 02:37:47 C 23 30 34.54 +29 31 05.3 17.8 c 644
2004-11-04 03:11:41 C 23 30 33.85 +29 30 38.7 17.8 c 644
2004-11-04 04:33:36 C 23 30 32.03 +29 29 34.3 18.6 c 704
2004-11-04 04:50:50 C 23 30 31.69 +29 29 20.6 19.0 c 704
2004-11-04 05:08:14 C 23 30 31.33 +29 29 06.9 18.7 c 704
2004-11-04 05:25:36 C 23 30 30.98 +29 28 50.9 19.8 c 704
2004-11-04 05:42:57 C 23 30 30.62 +29 28 39.3 19.0 c 704
2004-11-10 05:12:32 C 23 29 20.57 +27 48 19.3 18.7 c 704
2004-11-10 05:29:38 C 23 29 20.56 +27 48 08.8 19.0 c 704
2004-11-10 05:46:44 C 23 29 20.43 +27 47 57.5 19.1 c 704
2004-11-10 06:03:48 C 23 29 20.40 +27 47 47.3 18.8 c 704
2004-11-10 06:20:54 C 23 29 20.38 +27 47 36.5 19.0 c 704
2004-11-15 18:48:51 C 23 30 06.89 +26 34 39.4 o 198
2004-11-15 18:50:56 C 23 30 06.91 +26 34 38.4 o 198
2004-11-15 18:55:07 C 23 30 06.95 +26 34 36.3 o 198
2004-11-15 18:58:15 C 23 30 06.98 +26 34 34.8 o 198
2004-11-15 19:02:27 C 23 30 07.02 +26 34 32.7 o 198
2004-12-10 19:08:47 C 23 46 30.82 +23 47 24.5 c 246
2004-12-10 19:09:57 C 23 46 30.86 +23 47 24.1 c 246
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)