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
2008-10-04 02:40:48 C 22 20 20.45 +45 45 42.0 i 071
2008-10-04 02:41:32 C 22 20 20.53 +45 45 36.0 i 071
2008-10-04 02:42:17 C 22 20 20.64 +45 45 29.9 i 071
2008-10-05 23:28:02 C 22 24 48.08 +40 45 27.7 v 204
2008-10-05 23:52:22 C 22 24 49.74 +40 43 09.8 v 204
2008-10-06 00:28:55 C 22 24 52.28 +40 39 42.8 v 204
2008-10-06 11:49:50 C 22 25 46.20 +39 39 24.4 r 379
2008-10-06 11:50:53 C 22 25 46.28 +39 39 19.2 r 379
2008-10-06 11:51:55 C 22 25 46.35 +39 39 14.0 r 379
2008-10-06 11:56:03 C 22 25 46.57 +39 38 53.1 r 379
2008-10-06 11:57:04 C 22 25 46.58 +39 38 47.8 r 379
2008-10-07 06:07:12 C 22 26 57.94 +38 11 21.6 r 703
2008-10-07 06:16:31 C 22 26 58.38 +38 10 39.3 r 703
2008-10-07 06:25:47 C 22 26 58.84 +38 09 57.0 r 703
2008-10-07 06:35:02 C 22 26 59.31 +38 09 14.7 r 703
2008-10-07 21:48:49 C 22 27 54.01 +37 03 38.5 r A98
2008-10-07 21:51:50 C 22 27 54.17 +37 03 26.1 r A98
2008-10-07 21:54:50 C 22 27 54.31 +37 03 13.8 r A98
2008-10-07 21:57:50 C 22 27 54.46 +37 03 01.3 r A98
2008-10-07 22:00:52 C 22 27 54.61 +37 02 48.8 r A98
2008-10-07 22:03:51 C 22 27 54.76 +37 02 36.6 r A98
2008-10-07 22:06:53 C 22 27 54.91 +37 02 24.1 r A98
2008-10-08 05:09:01 C 22 28 19.23 +36 34 46.1 15.0 c 704
2008-10-08 05:27:29 C 22 28 20.06 +36 33 33.6 15.4 c 704
2008-10-08 05:45:45 C 22 28 20.79 +36 32 22.0 15.4 c 704
2008-10-08 06:04:13 C 22 28 21.57 +36 31 09.9 15.2 c 704
2008-10-08 06:22:31 C 22 28 22.36 +36 29 58.1 15.4 c 704
2008-10-08 22:54:41 C 22 29 14.77 +35 29 01.0 o J41
2008-10-08 22:55:22 C 22 29 14.80 +35 28 58.4 o J41
2008-10-08 22:56:02 C 22 29 14.81 +35 28 56.3 o J41
2008-10-08 22:57:12 C 22 29 14.87 +35 28 51.9 o J41
2008-10-08 22:57:46 C 22 29 14.90 +35 28 50.1 o J41
2008-10-09 09:33:21 C 22 29 48.16 +34 53 07.0 r 379
2008-10-09 09:36:00 C 22 29 48.27 +34 52 58.1 r 379
2008-10-09 09:38:40 C 22 29 48.33 +34 52 49.8 r 379
2008-10-09 09:44:15 C 22 29 48.60 +34 52 31.6 r 379
2008-10-09 09:45:18 C 22 29 48.59 +34 52 28.2 r 379
2008-10-09 09:47:21 C 22 29 48.70 +34 52 21.8 r 379
2008-10-09 09:48:23 C 22 29 48.73 +34 52 18.4 r 379
2008-10-09 09:50:28 C 22 29 48.80 +34 52 11.7 r 379
2008-10-09 09:52:31 C 22 29 48.88 +34 52 05.1 r 379
2008-10-09 21:42:29 C 22 30 19.80 +34 14 25.9 o 510
2008-10-09 21:44:33 C 22 30 19.85 +34 14 19.8 o 510
2008-10-09 21:46:39 C 22 30 19.95 +34 14 13.2 o 510
2008-10-12 20:38:17 C 22 33 12.99 +31 12 39.5 o 510
2008-10-12 20:39:40 C 22 33 13.02 +31 12 36.7 o 510
2008-10-12 20:42:25 C 22 33 13.12 +31 12 30.7 o 510
2008-10-13 21:45:49 C 22 34 07.93 +30 21 55.7 r J51
2008-10-13 21:52:23 C 22 34 08.10 +30 21 43.2 r J51
2008-10-13 21:58:58 C 22 34 08.27 +30 21 30.6 r J51
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)