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
2010-10-21 19:46:58 C 21 59 49.37 +19 18 12.0 c A53
2010-10-21 20:01:11 C 21 59 51.12 +19 18 08.3 c A53
2010-10-21 20:05:03 C 21 59 51.67 +19 18 05.0 u 510
2010-10-21 20:11:51 C 21 59 52.51 +19 18 03.4 u 510
2010-10-21 20:18:40 C 21 59 53.36 +19 18 01.6 u 510
2010-10-21 20:25:28 C 21 59 54.20 +19 18 00.0 u 510
2010-10-22 23:57:55 C 22 03 19.37 +19 11 29.7 u I15
2010-10-23 00:07:44 C 22 03 20.48 +19 11 27.4 u I15
2010-10-23 00:18:48 C 22 03 21.75 +19 11 24.9 u I15
2010-10-25 20:37:12 C 22 10 50.71 +18 56 56.5 u 510
2010-10-25 20:44:00 C 22 10 51.41 +18 56 55.2 u 510
2010-10-25 20:50:47 C 22 10 52.06 +18 56 53.9 u 510
2010-10-25 20:57:34 C 22 10 52.72 +18 56 52.6 u 510
2010-10-29 20:25:05 C 22 19 42.71 +18 40 34.7 r 106
2010-10-29 20:40:22 C 22 19 43.97 +18 40 32.2 r 106
2010-10-29 20:55:38 C 22 19 45.22 +18 40 29.7 r 106
2010-10-29 21:10:53 C 22 19 46.46 +18 40 27.3 r 106
2010-11-01 03:45:43 C 22 24 14.76 +18 32 56.2 r 703
2010-11-01 03:57:11 C 22 24 15.55 +18 32 55.0 r 703
2010-11-01 04:08:43 C 22 24 16.48 +18 32 53.3 r 703
2010-11-01 04:20:10 C 22 24 17.35 +18 32 52.3 r 703
2010-11-01 17:17:24 C 22 25 18.68 +18 31 09.9 u 240
2010-11-01 17:19:28 C 22 25 18.82 +18 31 09.6 u 240
2010-11-01 17:42:08 C 22 25 20.55 +18 31 06.9 u 240
2010-11-01 17:48:19 C 22 25 21.00 +18 31 06.1 u 240
2010-11-01 17:50:22 C 22 25 21.17 +18 31 06.0 u 240
2010-11-04 18:50:40 C 22 30 47.26 +18 23 06.5 u 160
2010-11-04 18:53:29 C 22 30 47.47 +18 23 06.3 u 160
2010-11-04 18:56:19 C 22 30 47.66 +18 23 06.2 u 160
2010-11-08 01:47:48 C 22 36 16.84 +18 16 33.3 r 703
2010-11-08 01:58:33 C 22 36 17.60 +18 16 32.8 r 703
2010-11-08 02:09:21 C 22 36 18.28 +18 16 32.5 r 703
2010-11-08 02:20:15 C 22 36 19.00 +18 16 32.0 r 703
2010-11-09 11:19:30 C 22 38 30.87 +18 14 22.5 m 355
2010-11-09 11:22:35 C 22 38 31.04 +18 14 21.9 m 355
2010-11-09 11:25:39 C 22 38 31.23 +18 14 21.6 m 355
2010-11-09 11:27:10 C 22 38 31.40 +18 14 22.0 m 355
2010-11-10 03:27:20 C 22 39 34.54 +18 13 27.8 18.1 c 704
2010-11-10 03:45:39 C 22 39 35.66 +18 13 26.8 18.2 c 704
2010-11-10 04:03:58 C 22 39 36.83 +18 13 25.5 18.6 c 704
2010-11-10 04:22:19 C 22 39 37.96 +18 13 25.0 18.4 c 704
2010-11-10 04:40:39 C 22 39 39.08 +18 13 23.4 18.9 c 704
2010-11-13 03:36:56 C 22 44 12.98 +18 10 16.7 r 703
2010-11-13 03:47:31 C 22 44 13.66 +18 10 16.3 r 703
2010-11-13 03:58:09 C 22 44 14.20 +18 10 15.5 r 703
2010-11-13 04:08:48 C 22 44 14.92 +18 10 15.6 r 703
2010-12-02 03:09:53 C 23 11 27.99 +18 21 23.7 19.3 c 704
2010-12-02 03:28:27 C 23 11 29.02 +18 21 25.0 19.0 c 704
2010-12-02 03:46:56 C 23 11 30.09 +18 21 26.6 19.6 c 704
2010-12-02 04:24:04 C 23 11 32.20 +18 21 29.6 19.9 c 704
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)