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
2012-10-05 00:49:11 C 17 17 59.95 -08 05 14.9 q H49
2012-10-05 00:52:18 C 17 18 03.64 -08 04 58.0 q H49
2012-10-05 00:54:23 C 17 18 05.63 -08 04 49.0 q H49
2012-10-05 00:56:27 C 17 18 08.03 -08 04 38.5 q H49
2012-10-13 18:37:34 C 20 11 03.43 +06 12 10.3 u C27
2012-10-13 18:46:05 C 20 11 07.71 +06 12 30.7 u C27
2012-10-13 20:10:01 C 20 11 49.33 +06 15 50.9 u C27
2012-10-13 20:18:48 C 20 11 53.69 +06 16 12.0 u C27
2012-10-13 20:31:16 C 20 11 59.86 +06 16 41.6 u C27
2012-10-16 22:59:56 C 20 43 45.19 +08 41 29.5 u I15
2012-10-16 23:02:57 C 20 43 46.26 +08 41 34.2 u I15
2012-10-16 23:06:34 C 20 43 47.55 +08 41 39.9 u I15
2012-10-24 01:23:16 C 21 29 09.07 +11 43 18.0 u H21
2012-10-24 01:29:46 C 21 29 10.33 +11 43 22.6 u H21
2012-10-24 01:36:14 C 21 29 11.58 +11 43 27.3 u H21
2012-10-24 01:43:34 C 21 29 13.00 +11 43 32.5 u H21
2012-10-24 01:49:14 C 21 29 14.10 +11 43 36.5 u H21
2012-10-25 02:01:18 C 21 33 51.03 +12 00 01.1 u H21
2012-10-25 02:05:02 C 21 33 51.70 +12 00 03.6 u H21
2012-10-25 02:08:16 C 21 33 52.29 +12 00 05.6 u H21
2012-10-25 02:11:58 C 21 33 52.95 +12 00 08.0 u H21
2012-10-25 02:15:19 C 21 33 53.55 +12 00 10.0 u H21
2012-11-02 18:04:34 C 22 04 05.22 +13 36 44.2 o C41
2012-11-02 18:24:36 C 22 04 07.87 +13 36 51.0 u C27
2012-11-02 18:45:42 C 22 04 09.92 +13 36 58.2 o C41
2012-11-02 19:16:59 C 22 04 13.76 +13 37 08.9 u C27
2012-11-02 19:19:05 C 22 04 13.71 +13 37 09.1 o C41
2012-11-02 19:23:00 C 22 04 14.48 +13 37 10.9 u C27
2012-11-12 19:04:00 C 22 28 01.05 +14 41 50.9 17.7 c J43
2012-11-12 19:21:06 C 22 28 02.54 +14 41 55.6 18.7 c J43
2012-11-12 19:38:28 C 22 28 04.00 +14 41 59.1 18.3 c J43
2012-11-12 19:55:22 C 22 28 05.43 +14 42 03.0 18.3 c J43
2012-11-19 03:01:20 C 22 40 23.12 +15 13 54.6 18.6 c 704
2012-11-19 03:43:20 C 22 40 26.30 +15 14 03.0 19.0 c 704
2012-11-19 04:04:27 C 22 40 27.85 +15 14 06.8 18.9 c 704
2012-11-19 04:25:50 C 22 40 29.49 +15 14 11.5 18.8 c 704
2012-11-28 06:55:22 C 22 56 27.787 +15 57 10.22 L F51
2012-11-28 07:11:07 C 22 56 28.848 +15 57 13.17 L F51
2012-12-06 03:00:44 C 23 09 15.16 +16 34 22.5 19.8 c 704
2012-12-06 03:19:41 C 23 09 16.31 +16 34 25.7 20.1 c 704
2012-12-06 04:16:32 C 23 09 20.06 +16 34 37.7 19.6 c 704
2014-01-22 02:34:47 C 03 36 11.36 +55 19 08.8 u H21
2014-01-22 02:45:48 C 03 36 10.92 +55 19 01.8 u H21
2014-01-22 02:57:02 C 03 36 10.44 +55 18 54.8 u H21
2014-10-17 20:38:20 S 19 41 23.086 -04 05 42.61 L C51
2014-10-17 23:47:45 S 19 42 56.534 -03 55 55.92 L C51
2014-10-18 04:31:58 S 19 45 15.007 -03 41 25.69 L C51
2014-10-18 19:44:51 C 19 52 24.84 -02 56 29.5 q 160
2014-10-18 19:47:07 C 19 52 25.85 -02 56 23.0 q 160
2014-10-18 19:49:21 C 19 52 26.87 -02 56 16.6 q 160
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)