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
2020-11-20 01:58:18 C 21 34 59.23 +00 08 25.2 V 703
2020-11-20 02:13:32 C 21 35 01.68 +00 08 44.4 V 703
2020-11-20 02:21:10 C 21 35 02.99 +00 08 55.6 V 703
2020-11-22 18:48:15 C 21 45 18.29 +01 27 06.3 V 160
2020-11-22 18:51:34 C 21 45 18.80 +01 27 10.2 V 160
2020-11-22 18:54:55 C 21 45 19.39 +01 27 12.6 V 160
2020-11-23 17:54:19 C 21 48 47.18 +01 53 27.3 V 160
2020-11-23 17:57:54 C 21 48 47.68 +01 53 31.3 V 160
2020-11-23 18:01:12 C 21 48 48.15 +01 53 35.1 V 160
2020-11-25 02:28:52 C 21 53 31.88 +02 29 13.8 V 703
2020-11-25 02:35:35 C 21 53 32.88 +02 29 21.4 V G96
2020-11-25 02:36:40 C 21 53 33.09 +02 29 22.9 V 703
2020-11-25 02:42:52 C 21 53 33.90 +02 29 29.3 V G96
2020-11-25 02:44:29 C 21 53 34.12 +02 29 31.6 V 703
2020-11-25 02:50:10 C 21 53 34.93 +02 29 37.2 V G96
2020-11-25 02:52:19 C 21 53 35.21 +02 29 39.7 V 703
2020-11-25 02:57:29 C 21 53 35.96 +02 29 45.0 V G96
2020-11-28 02:05:52 C 22 03 22.93 +03 42 38.0 U I41
2020-11-28 02:27:19 C 22 03 25.74 +03 42 59.1 U I41
2020-11-28 03:01:32 C 22 03 30.11 +03 43 32.8 V 703
2020-11-28 03:18:44 C 22 03 32.35 +03 43 48.7 V 703
2020-11-28 03:27:20 C 22 03 33.43 +03 43 57.9 V 703
2020-11-28 03:37:18 C 22 03 34.83 +03 44 07.4 U I41
2020-11-28 03:55:14 C 22 03 37.20 +03 44 25.2 U I41
2020-11-29 05:28:01 C 22 06 57.05 +04 08 59.8 V T05
2020-11-29 05:32:38 C 22 06 57.68 +04 09 04.0 V T05
2020-11-29 05:41:12 C 22 06 58.73 +04 09 11.4 V T05
2020-11-29 05:55:47 C 22 07 00.60 +04 09 26.1 V T05
2020-12-03 02:31:39 C 22 18 24.83 +05 32 20.2 V 703
2020-12-03 02:39:49 C 22 18 25.87 +05 32 26.8 V 703
2020-12-03 02:47:58 C 22 18 26.75 +05 32 32.8 V 703
2020-12-03 02:56:07 C 22 18 27.70 +05 32 38.8 V 703
2020-12-06 01:53:17 C 22 26 35.67 +06 30 40.6 V G96
2020-12-06 02:01:21 C 22 26 36.57 +06 30 47.2 V G96
2020-12-06 02:09:25 C 22 26 37.42 +06 30 53.5 V G96
2020-12-06 02:17:29 C 22 26 38.32 +06 30 59.8 V G96
2020-12-06 02:27:12 C 22 26 39.34 +06 31 07.3 V 703
2020-12-06 02:35:28 C 22 26 40.32 +06 31 13.8 V 703
2020-12-06 02:43:45 C 22 26 41.16 +06 31 20.3 V 703
2020-12-06 02:52:02 C 22 26 42.15 +06 31 27.9 V 703
2020-12-26 06:42:53 C 23 13 14.791 +11 45 10.61 U F51
2020-12-26 06:59:37 C 23 13 16.222 +11 45 19.75 U F51
2020-12-26 07:16:23 C 23 13 17.622 +11 45 28.73 U F51
2021-11-26 12:33:26 C 05 29 47.207 +60 22 25.31 U F52
2021-11-26 12:52:02 C 05 29 45.062 +60 22 29.80 U F52
2021-11-26 13:29:11 C 05 29 40.797 +60 22 39.00 U F52
2022-11-11 05:19:25 C 20 23 27.336 -10 52 35.22 V T08
2022-11-11 05:24:05 C 20 23 28.613 -10 52 25.93 V T08
2022-11-11 05:34:50 C 20 23 31.500 -10 52 03.76 V T08
2022-11-11 05:59:27 C 20 23 38.105 -10 51 13.93 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)