2012 UO138

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6679529244 ± 4.81e-08
Semi-major axis (a)2.0165191490 AU ± 1.68e-08
Inclination (i)54.57111594° ± 2.25e-05
Long. of Asc. Node (Ω)179.78387409° ± 7.96e-06
Arg. of Perihelion (ω)215.45705178° ± 1.13e-05
Mean Anomaly (M)185.97036933° ± 1.13e-05
Mean Motion (n)0.3441983234°/day ± 4.30e-09
Perihelion dist (q)0.66957929 AU ± 9.71e-08
Aphelion dist (Q)3.36345901 AU ± 1.01e-07
Orbital Period2.86354179 yr ± 3.58e-08
Physical Parameters
H (abs. magnitude)17.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.178″
Uncertainty0
Orbit TypeApollo
MOID0.272183 AU
Observations Used65
Oppositions17
Arc Total1999-2025
First Observation Used1999-03-21
Last Observation Used2025-03-21
Observations (76)
Date Type RA Dec Mag Band Observatory
1999-03-21 07:07:47 C 11 59 38.98 +00 10 00.6 645
1999-03-21 07:08:58 C 11 59 38.86 +00 10 02.2 645
1999-03-21 07:12:33 C 11 59 38.69 +00 10 05.7 645
2012-10-21 02:05:40 C 17 18 40.96 +12 20 27.6 r G96
2012-10-21 02:12:57 C 17 18 41.79 +12 20 15.2 r G96
2012-10-21 02:20:24 C 17 18 42.66 +12 20 02.6 r G96
2012-10-22 01:52:44 C 17 21 26.48 +11 39 44.5 o 291
2012-10-22 01:53:03 C 17 21 26.49 +11 39 43.7 r G96
2012-10-22 01:55:21 C 17 21 26.77 +11 39 39.7 o 291
2012-10-22 01:57:57 C 17 21 27.07 +11 39 35.4 o 291
2012-10-22 01:59:36 C 17 21 27.25 +11 39 32.4 r G96
2012-10-22 02:06:07 C 17 21 28.00 +11 39 20.9 r G96
2012-10-22 02:12:41 C 17 21 28.76 +11 39 09.4 r G96
2012-10-23 01:49:21 C 17 24 15.04 +10 58 08.7 r G96
2012-10-23 01:49:28 C 17 24 15.07 +10 58 08.6 o 291
2012-10-23 01:51:15 C 17 24 15.26 +10 58 05.6 o 291
2012-10-23 01:53:02 C 17 24 15.48 +10 58 02.5 o 291
2012-10-23 02:02:28 C 17 24 16.56 +10 57 45.9 r G96
2012-10-23 02:08:57 C 17 24 17.28 +10 57 34.0 r G96
2012-10-23 18:03:51 C 17 26 10.55 +10 29 33.6 q 204
2012-10-23 18:35:55 C 17 26 14.34 +10 28 36.6 q 204
2012-10-24 00:48:20 C 17 26 58.74 +10 17 37.5 r H21
2012-10-24 00:52:31 C 17 26 59.22 +10 17 30.3 r H21
2012-10-24 00:56:41 C 17 26 59.70 +10 17 23.0 r H21
2012-10-25 00:36:48 C 17 29 50.16 +09 35 04.6 r H21
2012-10-25 00:42:11 C 17 29 50.79 +09 34 54.5 r H21
2012-10-25 00:47:23 C 17 29 51.36 +09 34 45.2 r H21
2012-10-25 00:49:32 C 17 29 51.62 +09 34 41.7 r H21
2012-10-25 02:02:49 C 17 30 00.46 +09 32 30.2 r G96
2012-10-25 02:09:27 C 17 30 01.33 +09 32 18.5 r G96
2012-10-25 02:16:07 C 17 30 02.08 +09 32 05.9 r G96
2016-03-12 09:26:30 C 10 34 17.500 -19 45 34.22 L F51
2016-03-12 09:43:17 C 10 34 16.355 -19 45 00.78 L F51
2016-03-12 10:00:05 C 10 34 15.217 -19 44 27.45 L F51
2016-03-13 01:46:44 C 10 33 14.47 -19 13 03.3 u 807
2016-03-13 01:52:01 C 10 33 14.13 -19 12 52.5 u 807
2016-03-13 01:58:39 C 10 33 13.72 -19 12 39.5 u 807
2016-03-13 05:26:08 C 10 33 00.41 -19 05 58.2 o 926
2016-03-13 05:36:31 C 10 32 59.73 -19 05 37.9 o 926
2016-03-13 05:46:52 C 10 32 59.04 -19 05 17.2 o 926
2016-03-13 09:51:16 C 10 32 43.431 -18 57 13.53 t 568
2016-03-13 09:52:46 C 10 32 43.334 -18 57 10.61 t 568
2016-03-13 09:54:15 C 10 32 43.233 -18 57 07.67 t 568
2016-03-20 01:01:10 C 10 23 54.32 -13 53 14.9 u 807
2016-03-20 01:07:25 C 10 23 54.02 -13 53 03.5 u 807
2016-03-20 01:13:39 C 10 23 53.72 -13 52 51.9 u 807
2016-03-30 08:31:09 C 10 14 46.358 -06 59 06.79 L F51
2016-03-30 08:49:00 C 10 14 45.853 -06 58 39.84 L F51
2016-03-30 09:06:52 C 10 14 45.350 -06 58 12.94 L F51
2016-04-29 06:04:19 C 10 12 55.772 +05 19 25.12 L F51