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
2023-09-04 02:52:35 C 15 11 35.58 +19 33 36.9 V 691
2023-09-04 03:02:50 C 15 11 38.13 +19 34 00.4 V 691
2023-09-04 03:13:05 C 15 11 40.77 +19 34 24.1 V 691
2023-09-14 03:15:28 C 16 32 57.131 +30 01 58.26 V G96
2023-09-14 03:23:37 C 16 33 00.533 +30 02 19.14 V G96
2023-09-14 03:31:46 C 16 33 04.021 +30 02 40.99 V G96
2023-09-14 03:39:55 C 16 33 07.495 +30 03 02.27 V G96
2023-09-29 19:48:50 C 20 05 20.44 +38 15 30.7 X C95
2023-09-29 20:33:58 C 20 05 45.20 +38 14 55.7 X C95
2023-10-09 04:31:21 C 21 49 19.319 +32 53 17.81 V G96
2023-10-09 04:39:38 C 21 49 22.148 +32 53 02.94 V G96
2023-10-09 04:47:54 C 21 49 25.000 +32 52 47.89 V G96
2023-10-09 04:56:10 C 21 49 27.815 +32 52 33.02 V G96
2023-10-30 08:27:44 C 23 37 20.032 +20 25 14.47 X F52
2023-10-30 08:57:31 C 23 37 23.654 +20 24 44.17 X F52
2023-10-30 09:12:21 C 23 37 25.442 +20 24 28.97 X F52
2023-11-01 08:53:22 C 23 43 17.359 +19 38 20.14 X F51
2023-11-01 09:07:20 C 23 43 18.919 +19 38 07.26 X F51
2023-11-01 09:23:07 C 23 43 20.709 +19 37 52.51 X F51
2023-11-01 09:37:03 C 23 43 22.278 +19 37 39.22 X F51