2012 UR138

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5434691620 ± 2.98e-08
Semi-major axis (a)1.9677787758 AU ± 3.73e-09
Inclination (i)7.77533416° ± 6.70e-06
Long. of Asc. Node (Ω)255.86499067° ± 5.71e-05
Arg. of Perihelion (ω)49.07726324° ± 6.04e-05
Mean Anomaly (M)295.71114421° ± 3.31e-06
Mean Motion (n)0.3570654818°/day ± 1.02e-09
Perihelion dist (q)0.89835169 AU ± 5.87e-08
Aphelion dist (Q)3.03720586 AU ± 5.89e-08
Orbital Period2.76035163 yr ± 7.85e-09
Physical Parameters
H (abs. magnitude)21.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.235″
Uncertainty0
Orbit TypeApollo
MOID0.002676 AU
Observations Used67
Oppositions7
Arc Total2012-2023
First Observation Used2012-10-09
Last Observation Used2023-11-01
Observations (70)
Date Type RA Dec Mag Band Observatory
2012-10-09 11:21:44 C 02 54 49.13 +40 51 09.6 V F51
2012-10-09 12:16:14 C 02 54 43.02 +40 49 56.3 V F51
2012-10-19 09:51:08 C 02 32 02.89 +35 22 46.0 V F51
2012-10-19 10:08:30 C 02 32 01.27 +35 22 22.0 V F51
2012-10-23 12:16:53 c 02 24 03.378 +33 08 12.15 L F51
2012-10-23 12:38:42 c 02 24 01.584 +33 07 42.24 L F51
2012-10-23 13:00:32 c 02 23 59.800 +33 07 12.31 L F51
2012-10-24 06:35:26 C 02 22 41.40 +32 43 29.7 v H21
2012-10-24 06:46:57 C 02 22 40.50 +32 43 13.7 v H21
2012-10-24 06:57:57 C 02 22 39.63 +32 42 59.8 v H21
2012-10-24 07:08:44 C 02 22 38.71 +32 42 44.8 v H21
2012-10-24 09:02:23 C 02 22 31.31 +32 40 19.2 t F65
2012-10-24 09:09:17 C 02 22 30.77 +32 40 10.1 t F65
2012-10-24 09:14:40 C 02 22 30.32 +32 40 02.8 t F65
2012-10-24 23:38:04 C 02 21 26.68 +32 20 42.4 q 204
2012-10-25 00:08:50 C 02 21 24.35 +32 20 01.5 q 204
2012-10-25 11:39:31 C 02 20 33.73 +32 04 45.8 o 291
2012-10-25 11:44:40 C 02 20 33.35 +32 04 39.1 o 291
2012-10-25 11:49:51 C 02 20 32.93 +32 04 31.2 o 291
2012-11-02 23:45:05 C 02 08 17.79 +27 50 02.2 u J95
2012-11-03 00:32:50 C 02 08 15.22 +27 49 06.5 u J95
2012-11-04 09:25:12 C 02 06 40.95 +27 11 34.3 o 291
2012-11-04 09:28:51 C 02 06 40.77 +27 11 29.9 o 291
2012-11-04 09:32:30 C 02 06 40.59 +27 11 26.1 o 291
2012-11-05 08:56:50 C 02 05 38.01 +26 45 20.3 o 291
2012-11-05 09:01:16 C 02 05 37.84 +26 45 15.6 o 291
2012-11-05 09:05:40 C 02 05 37.58 +26 45 10.4 o 291
2012-11-07 10:43:44 C 02 03 35.53 +25 51 39.2 o 291
2012-11-07 10:46:50 C 02 03 35.44 +25 51 35.7 o 291
2012-11-07 10:49:57 C 02 03 35.40 +25 51 32.1 o 291
2012-11-12 09:15:44 C 01 59 44.24 +23 54 36.8 o 291
2012-11-12 09:22:33 C 01 59 44.05 +23 54 29.7 o 291
2012-11-13 08:51:43 C 01 59 07.95 +23 33 08.0 o 291
2012-11-13 09:00:46 C 01 59 07.70 +23 32 59.8 o 291
2012-11-13 09:09:49 C 01 59 07.46 +23 32 51.8 o 291
2012-11-22 07:46:13 C 01 55 54.03 +20 45 37.8 o 291
2012-11-22 08:06:11 C 01 55 53.87 +20 45 24.1 o 291
2012-11-22 08:26:08 C 01 55 53.67 +20 45 10.6 o 291
2012-12-14 06:34:02 C 02 01 44.555 +16 59 06.46 t 568
2012-12-14 06:44:26 C 02 01 44.793 +16 59 03.86 t 568
2012-12-14 06:56:15 C 02 01 45.061 +16 59 01.30 t 568
2023-03-19 10:47:31 C 12 41 09.913 -20 44 15.47 V F52
2023-03-19 11:03:09 C 12 41 09.084 -20 44 14.48 V F52
2023-03-19 11:18:49 C 12 41 08.265 -20 44 13.44 V F52
2023-03-27 09:59:55 C 12 30 16.161 -20 17 50.51 V F51
2023-03-27 10:15:46 C 12 30 15.110 -20 17 47.40 V F51
2023-04-16 06:37:18 C 11 56 09.898 -17 02 09.28 V T14
2023-04-16 06:38:43 C 11 56 09.790 -17 02 08.40 V T14
2023-04-16 06:40:09 C 11 56 09.680 -17 02 07.57 V T14
2023-04-16 06:44:24 C 11 56 09.353 -17 02 05.10 V T14