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
2018-11-30 06:23:16 C 22 22 45.26 +07 39 12.6 U T08
2018-11-30 06:34:37 C 22 22 46.45 +07 39 21.8 U T08
2018-12-02 05:55:36 C 22 27 53.07 +08 12 34.0 U T05
2018-12-02 06:04:15 C 22 27 54.02 +08 12 39.8 U T05
2018-12-02 06:25:37 C 22 27 56.24 +08 12 55.3 U T05
2018-12-02 06:36:57 C 22 27 57.44 +08 13 02.2 U T05
2018-12-05 01:30:00 C 22 34 51.96 +08 57 11.3 V G96
2018-12-05 01:38:11 C 22 34 52.75 +08 57 16.7 V G96
2018-12-05 01:46:22 C 22 34 53.55 +08 57 21.7 V G96
2018-12-05 01:54:33 C 22 34 54.37 +08 57 27.2 V G96
2018-12-10 02:32:28 C 22 46 35.67 +10 10 34.7 V 703
2018-12-10 02:40:42 C 22 46 36.49 +10 10 38.5 V 703
2018-12-10 02:48:55 C 22 46 37.19 +10 10 44.0 V 703
2018-12-10 02:57:09 C 22 46 37.99 +10 10 48.5 V 703
2020-10-31 00:41:31 C 19 34 46.42 -14 40 12.2 V W46
2020-10-31 01:09:46 C 19 34 56.91 -14 39 01.3 V W46
2020-11-01 05:59:41 C 19 45 22.20 -13 29 42.7 V T05
2020-11-01 06:05:00 C 19 45 24.08 -13 29 29.8 V T05
2020-11-01 06:12:55 C 19 45 26.81 -13 29 10.8 V T05
2020-11-01 06:32:48 C 19 45 33.74 -13 28 23.7 V T05
2020-11-02 23:38:55 C 19 59 29.81 -11 52 21.3 V W34
2020-11-02 23:50:41 C 19 59 33.62 -11 51 54.1 V W34
2020-11-03 00:02:52 C 19 59 37.55 -11 51 26.4 V W34
2020-11-03 05:27:11 C 20 01 22.54 -11 39 01.3 V T08
2020-11-03 05:31:50 C 20 01 24.02 -11 38 50.8 V T08
2020-11-03 05:41:52 C 20 01 27.23 -11 38 27.7 V T08
2020-11-03 05:56:30 C 20 01 31.90 -11 37 54.2 V T08
2020-11-05 05:17:52 C 20 16 09.16 -09 52 45.6 V T05
2020-11-05 05:22:30 C 20 16 10.52 -09 52 35.6 V T05
2020-11-05 05:31:09 C 20 16 13.04 -09 52 17.1 V T05
2020-11-05 05:46:27 C 20 16 17.49 -09 51 43.6 V T05
2020-11-14 17:29:57 C 21 11 37.27 -02 51 49.2 V 130
2020-11-14 17:35:42 C 21 11 38.39 -02 51 40.2 V 130
2020-11-17 01:55:10 C 21 22 25.06 -01 28 18.3 V G96
2020-11-17 02:02:43 C 21 22 26.43 -01 28 07.5 V G96
2020-11-17 02:10:17 C 21 22 27.80 -01 27 56.8 V G96
2020-11-17 02:17:51 C 21 22 29.17 -01 27 46.2 V G96
2020-11-17 05:50:34 C 21 23 07.98 -01 22 43.4 V T05
2020-11-17 06:01:09 C 21 23 09.86 -01 22 28.8 V T05
2020-11-17 06:16:27 C 21 23 12.61 -01 22 07.4 V T05
2020-11-17 18:20:31 C 21 25 23.74 -01 05 21.7 V 160
2020-11-17 18:23:53 C 21 25 24.30 -01 05 16.6 V 160
2020-11-17 18:26:15 C 21 25 24.76 -01 05 12.9 V 160
2020-11-18 18:01:58 C 21 29 34.22 -00 33 11.9 V 160
2020-11-18 18:05:21 C 21 29 34.80 -00 33 07.3 V 160
2020-11-18 18:08:44 C 21 29 35.39 -00 33 02.8 V 160
2020-11-19 05:53:56 C 21 31 36.46 -00 17 27.1 V T08
2020-11-19 05:58:35 C 21 31 37.23 -00 17 21.3 V T08
2020-11-19 06:09:12 C 21 31 39.01 -00 17 06.7 V T08
2020-11-19 06:27:46 C 21 31 42.15 -00 16 42.5 V T08
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)