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
2016-10-27 17:58:49 C 20 28 16.57 -03 08 59.2 q 160
2016-10-27 17:59:43 C 20 28 16.86 -03 08 57.3 V 160
2016-10-27 18:00:17 C 20 28 17.03 -03 08 55.9 q 160
2016-10-28 19:31:21 C 20 35 54.04 -02 15 25.5 q 160
2016-10-28 19:33:31 C 20 35 54.67 -02 15 21.4 q 160
2016-10-28 19:35:35 C 20 35 55.22 -02 15 17.6 q 160
2016-10-29 18:01:52 C 20 42 14.92 -01 30 54.6 u 209
2016-10-29 18:15:42 C 20 42 18.70 -01 30 27.2 q 160
2016-10-29 18:17:36 C 20 42 19.21 -01 30 23.6 q 160
2016-10-29 18:19:30 C 20 42 19.73 -01 30 19.9 q 160
2016-10-29 18:24:33 C 20 42 21.08 -01 30 11.0 u 209
2016-10-29 18:47:12 C 20 42 27.21 -01 29 27.7 u 209
2016-10-29 19:09:53 C 20 42 33.32 -01 28 44.1 u 209
2016-10-30 00:04:33 C 20 43 53.95 -01 19 17.5 q H47
2016-10-30 00:09:28 C 20 43 55.26 -01 19 08.7 q H47
2016-10-30 00:13:47 C 20 43 56.39 -01 19 00.0 q H47
2016-10-30 19:38:06 C 20 49 03.68 -00 43 05.1 q 160
2016-10-30 19:40:02 C 20 49 04.18 -00 43 01.6 q 160
2016-10-30 19:41:59 C 20 49 04.70 -00 42 58.3 q 160
2016-10-31 02:18:10 C 20 50 46.57 -00 31 04.1 q 703
2016-10-31 02:26:50 C 20 50 48.72 -00 30 48.7 q 703
2016-10-31 02:35:28 C 20 50 50.88 -00 30 33.3 q 703
2016-10-31 02:44:07 C 20 50 53.03 -00 30 17.4 q 703
2016-10-31 18:24:52 C 20 54 48.19 -00 02 57.6 q 160
2016-10-31 18:26:49 C 20 54 48.69 -00 02 54.0 q 160
2016-10-31 18:28:46 C 20 54 49.13 -00 02 51.3 q 160
2016-11-04 00:19:59 C 21 12 24.11 +01 58 59.1 U H21
2016-11-04 00:22:52 C 21 12 24.71 +01 59 03.2 U H21
2016-11-04 00:25:33 C 21 12 25.26 +01 59 07.2 U H21
2016-11-04 00:28:15 C 21 12 25.81 +01 59 10.8 U H21
2016-11-04 00:30:55 C 21 12 26.35 +01 59 14.9 U H21
2016-11-04 00:33:38 C 21 12 26.92 +01 59 18.7 U H21
2016-11-04 00:35:54 C 21 12 27.38 +01 59 22.1 U H21
2016-11-04 17:56:06 C 21 16 00.00 +02 23 33.8 q Z52
2016-11-04 18:57:11 C 21 16 12.09 +02 24 57.7 q Z52
2016-11-04 19:51:35 C 21 16 22.85 +02 26 11.5 q Z52
2016-11-07 20:28:06 C 21 29 56.83 +03 57 44.8 q Z52
2016-11-07 21:42:02 C 21 30 09.63 +03 59 10.6 q Z52
2016-11-07 22:37:40 C 21 30 19.32 +04 00 14.9 q Z52
2016-11-09 03:11:49 S 21 35 10.73 +04 32 33.7 L C51
2016-11-13 05:26:22 C 21 50 15.366 +06 10 07.65 L F51
2016-11-13 05:44:49 C 21 50 17.933 +06 10 24.32 L F51
2016-11-13 06:03:19 C 21 50 20.508 +06 10 40.97 L F51
2016-11-15 18:58:09 C 21 58 39.29 +07 02 47.6 q 160
2016-11-15 19:01:11 C 21 58 39.65 +07 02 50.2 q 160
2016-11-15 19:04:12 C 21 58 39.99 +07 02 52.9 q 160
2016-11-29 18:18:04 C 22 35 36.18 +10 39 31.7 q 160
2016-11-29 18:20:01 C 22 35 36.47 +10 39 32.0 q 160
2016-11-29 18:22:01 C 22 35 36.67 +10 39 33.6 q 160
2018-10-26 05:04:39 C 19 27 06.50 -13 09 04.5 U T05
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)