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
2008-11-02 21:17:11 C 22 50 34.17 +22 49 04.7 o J41
2008-11-02 22:27:06 C 22 50 36.67 +22 48 33.2 o J41
2008-11-06 02:20:24 C 22 53 31.99 +22 17 24.6 r 703
2008-11-06 02:31:48 C 22 53 32.35 +22 17 20.9 r 703
2008-11-06 02:43:12 C 22 53 32.78 +22 17 15.9 r 703
2008-11-06 02:54:30 C 22 53 33.21 +22 17 12.0 r 703
2008-11-13 21:09:14 C 23 01 09.68 +21 21 25.9 c B37
2008-11-13 21:11:56 C 23 01 09.80 +21 21 25.1 c B37
2008-11-13 21:14:37 C 23 01 09.95 +21 21 23.0 c B37
2008-11-16 18:39:16 C 23 04 09.70 +21 06 39.5 c B37
2008-11-16 18:46:45 C 23 04 10.05 +21 06 38.2 c B37
2008-11-16 19:00:35 C 23 04 10.54 +21 06 35.2 c B37
2008-12-02 03:46:24 C 23 21 19.58 +20 27 44.3 r 703
2008-12-02 03:55:09 C 23 21 19.98 +20 27 43.8 r 703
2008-12-02 04:03:57 C 23 21 20.37 +20 27 43.6 r 703
2008-12-02 04:12:38 C 23 21 20.80 +20 27 42.5 r 703
2010-09-29 18:43:49 C 15 29 36.54 +06 20 02.9 u 510
2010-09-29 18:52:02 C 15 29 51.25 +06 21 22.7 u 510
2010-10-01 19:11:23 C 17 03 13.34 +13 55 18.1 u 510
2010-10-01 19:27:50 C 17 03 45.66 +13 57 31.6 u 510
2010-10-01 20:01:17 C 17 04 51.41 +14 02 02.6 u 510
2010-10-01 20:17:44 C 17 05 23.79 +14 04 15.9 u 510
2010-10-02 23:31:45 C 17 57 15.82 +17 12 19.2 u I15
2010-10-02 23:40:29 C 17 57 31.36 +17 13 07.8 u I15
2010-10-02 23:49:12 C 17 57 46.86 +17 13 56.1 u I15
2010-10-03 19:18:42 C 18 31 00.59 +18 45 21.0 14.2 o J16
2010-10-03 19:19:48 C 18 31 02.32 +18 45 25.3 14.3 o J16
2010-10-03 19:20:53 C 18 31 04.05 +18 45 29.6 14.3 o J16
2010-10-03 19:22:00 C 18 31 05.83 +18 45 33.7 14.2 o J16
2010-10-03 19:23:09 C 18 31 07.66 +18 45 38.3 14.2 o J16
2010-10-03 19:24:16 C 18 31 09.40 +18 45 42.4 13.9 o J16
2010-10-03 19:25:21 C 18 31 11.14 +18 45 46.9 13.7 o J16
2010-10-03 19:26:26 C 18 31 12.89 +18 45 50.9 14.2 o J16
2010-10-03 19:28:38 C 18 31 16.34 +18 45 59.3 14.0 o J16
2010-10-03 19:29:44 C 18 31 18.08 +18 46 03.3 13.9 o J16
2010-10-04 07:09:29 S 18 49 14.021 +19 26 37.93 L C51
2010-10-04 08:44:38 S 18 51 33.13 +19 31 16.5 L C51
2010-10-05 09:30:50 C 19 24 11.75 +20 23 53.8 u 379
2010-10-05 09:40:14 C 19 24 22.77 +20 24 08.0 u 379
2010-10-05 09:42:54 C 19 24 25.89 +20 24 11.8 u 379
2010-10-05 09:51:58 C 19 24 36.43 +20 24 25.3 u 379
2010-10-05 09:57:21 C 19 24 42.73 +20 24 33.2 u 379
2010-10-06 19:43:42 C 19 59 29.41 +20 54 51.9 u A81
2010-10-06 19:46:37 C 19 59 31.95 +20 54 53.1 u A81
2010-10-06 19:49:31 C 19 59 34.50 +20 54 54.3 u A81
2010-10-07 18:40:41 C 20 18 05.27 +21 00 13.0 c A53
2010-10-07 18:48:58 C 20 18 11.27 +21 00 13.4 c A53
2010-10-07 18:57:15 C 20 18 17.24 +21 00 14.0 c A53
2010-10-07 19:05:15 C 20 18 22.97 +21 00 14.3 c A53
2010-10-07 19:13:48 C 20 18 29.15 +21 00 14.4 c A53
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)