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
2008-10-15 19:09:10 C 22 35 42.26 +29 02 32.2 r A30
2008-10-15 19:11:18 C 22 35 42.32 +29 02 28.9 r A30
2008-10-15 19:12:47 C 22 35 42.36 +29 02 26.5 r A30
2008-10-15 19:16:29 C 22 35 42.46 +29 02 20.7 r A30
2008-10-17 13:06:31 C 22 37 05.13 +28 00 55.3 m 379
2008-10-17 13:14:02 C 22 37 05.32 +28 00 45.0 m 379
2008-10-17 13:16:43 C 22 37 05.37 +28 00 41.0 m 379
2008-10-17 13:19:23 C 22 37 05.45 +28 00 38.1 m 379
2008-10-18 17:29:24 C 22 38 02.42 +27 24 04.8 r B67
2008-10-18 17:37:53 C 22 38 02.64 +27 23 54.7 r B67
2008-10-18 17:46:24 C 22 38 02.91 +27 23 44.3 r B67
2008-10-19 02:51:12 C 22 38 19.89 +27 12 50.7 r H53
2008-10-19 02:53:15 C 22 38 19.92 +27 12 48.1 r H53
2008-10-19 02:55:15 C 22 38 19.97 +27 12 45.5 r H53
2008-10-19 02:56:58 C 22 38 20.04 +27 12 43.7 r H53
2008-10-19 02:58:43 C 22 38 20.07 +27 12 41.6 r H53
2008-10-19 03:00:43 C 22 38 20.13 +27 12 39.3 r H53
2008-10-20 01:36:38 C 22 39 04.84 +26 46 41.1 r H53
2008-10-20 01:38:23 C 22 39 04.88 +26 46 39.1 r H53
2008-10-20 01:40:06 C 22 39 04.92 +26 46 37.2 r H53
2008-10-20 01:43:27 C 22 39 05.03 +26 46 33.5 r H53
2008-10-20 01:45:14 C 22 39 05.07 +26 46 31.2 r H53
2008-10-20 01:47:12 C 22 39 05.12 +26 46 29.3 r H53
2008-10-20 10:44:30 C 22 39 22.58 +26 36 44.9 r 379
2008-10-20 10:47:10 C 22 39 22.64 +26 36 41.8 r 379
2008-10-20 11:43:55 C 22 39 24.17 +26 35 41.8 r 379
2008-10-20 21:00:38 C 22 39 42.22 +26 25 46.7 o 510
2008-10-20 21:03:09 C 22 39 42.30 +26 25 44.2 o 510
2008-10-20 21:05:38 C 22 39 42.36 +26 25 41.5 o 510
2008-10-26 04:45:13 C 22 43 57.25 +24 35 05.9 r 703
2008-10-26 04:56:27 C 22 43 57.57 +24 34 58.0 r 703
2008-10-26 05:07:53 C 22 43 57.90 +24 34 50.0 r 703
2008-10-26 05:19:11 C 22 43 58.29 +24 34 41.8 r 703
2008-10-26 07:01:57 C 22 44 01.58 +24 33 24.8 o G58
2008-10-26 07:09:45 C 22 44 01.85 +24 33 19.5 o G58
2008-10-26 07:17:31 C 22 44 02.08 +24 33 13.8 o G58
2008-10-27 03:17:53 C 22 44 44.17 +24 19 18.8 o G56
2008-10-27 03:24:27 C 22 44 44.40 +24 19 14.5 o G56
2008-10-27 03:31:01 C 22 44 44.70 +24 19 09.0 o G56
2008-10-28 04:32:53 C 22 45 36.32 +24 02 43.6 16.8 c 704
2008-10-28 04:49:41 C 22 45 36.84 +24 02 32.5 17.2 c 704
2008-10-28 05:06:19 C 22 45 37.36 +24 02 22.0 17.2 c 704
2008-10-28 05:22:59 C 22 45 37.89 +24 02 11.5 17.2 c 704
2008-10-28 05:39:30 C 22 45 38.41 +24 02 00.3 17.1 c 704
2008-10-30 02:25:04 C 22 47 14.00 +23 35 10.7 c H53
2008-10-30 02:26:41 C 22 47 14.09 +23 35 09.1 c H53
2008-10-30 02:28:16 C 22 47 14.08 +23 35 08.9 c H53
2008-10-30 02:32:28 C 22 47 14.20 +23 35 06.6 c H53
2008-10-30 02:34:22 C 22 47 14.28 +23 35 06.1 c H53
2008-10-30 02:36:23 C 22 47 14.32 +23 35 04.0 c H53
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)