858130 (2012 US136)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9121007195 ± 9.44e-09
Semi-major axis (a)4.2842462106 AU ± 4.63e-09
Inclination (i)51.88894458° ± 5.71e-06
Long. of Asc. Node (Ω)0.39443698° ± 5.88e-06
Arg. of Perihelion (ω)279.21308958° ± 5.28e-06
Mean Anomaly (M)173.78773584° ± 7.50e-07
Mean Motion (n)0.1111477420°/day ± 1.80e-10
Perihelion dist (q)0.37658216 AU ± 4.05e-08
Aphelion dist (Q)8.19191026 AU ± 4.14e-08
Orbital Period8.86771306 yr ± 1.44e-08
Physical Parameters
H (abs. magnitude)15.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.227″
Uncertainty0
Orbit TypeApollo
MOID0.093118 AU
Observations Used646
Oppositions18
Arc Total2002-2022
First Observation Used2002-12-13
Last Observation Used2022-01-13
Observations (700)
Date Type RA Dec Mag Band Observatory
2021-10-17 08:08:25 C 21 16 01.45 +76 24 37.2 V T05
2021-10-17 19:16:12 C 21 16 15.80 +76 00 07.2 V B88
2021-10-17 19:47:20 C 21 16 16.22 +75 58 58.9 V B88
2021-10-17 20:21:14 C 21 16 16.60 +75 57 44.8 V B88
2021-10-19 08:24:16 C 21 17 08.83 +74 40 54.6 V T08
2021-10-19 08:30:19 C 21 17 08.86 +74 40 42.1 V T08
2021-10-19 08:38:18 C 21 17 09.12 +74 40 25.1 V T08
2021-10-19 08:54:56 C 21 17 09.47 +74 39 49.6 V T08
2021-10-19 18:02:07 C 21 17 27.16 +74 20 54.2 V K87
2021-10-19 18:08:27 C 21 17 27.30 +74 20 41.1 V K87
2021-10-19 18:14:45 C 21 17 27.46 +74 20 28.3 V K87
2021-10-19 18:16:08 C 21 17 27.59 +74 20 26.8 V B88
2021-10-19 18:27:36 C 21 17 27.83 +74 20 03.2 V B88
2021-10-19 18:36:22 C 21 17 28.01 +74 19 45.4 V B88
2021-10-19 19:01:10 C 21 17 28.51 +74 18 53.5 V K74
2021-10-19 19:04:12 C 21 17 28.53 +74 18 46.9 V K74
2021-10-19 19:07:14 C 21 17 28.68 +74 18 40.8 V K74
2021-10-19 19:10:18 C 21 17 28.79 +74 18 34.3 V K74
2021-10-21 08:41:57 C 21 18 39.65 +73 03 09.8 V T05
2021-10-21 08:47:15 C 21 18 39.69 +73 02 59.6 V T05
2021-10-21 08:59:48 C 21 18 40.19 +73 02 34.3 V T05
2021-10-21 09:15:02 C 21 18 40.56 +73 02 03.6 V T05
2021-10-22 18:51:48 C 21 19 55.74 +71 57 25.4 q B88
2021-10-22 19:14:12 C 21 19 56.44 +71 56 43.0 q B88
2021-10-22 19:36:38 C 21 19 57.15 +71 56 00.7 q B88
2021-10-23 06:25:33 C 21 20 22.19 +71 35 50.4 V T08
2021-10-23 06:30:11 C 21 20 22.25 +71 35 41.1 V T08
2021-10-23 06:39:31 C 21 20 22.62 +71 35 24.1 V T08
2021-10-23 06:54:08 C 21 20 23.08 +71 34 57.6 V T08
2021-10-23 07:00:07 C 21 20 23.32 +71 34 46.5 V T08
2021-10-24 16:57:07 C 21 21 47.43 +70 32 56.0 X G02
2021-10-24 17:04:05 C 21 21 47.73 +70 32 43.7 X G02
2021-10-24 17:11:47 C 21 21 47.97 +70 32 29.8 X G02
2021-10-27 07:20:12 C 21 24 32.38 +68 45 48.5 V T08
2021-10-27 07:25:33 C 21 24 32.56 +68 45 39.4 V T08
2021-10-27 07:34:51 C 21 24 32.91 +68 45 23.6 V T08
2021-10-27 07:50:08 C 21 24 33.52 +68 44 57.9 V T08
2021-10-29 07:20:57 C 21 26 49.90 +67 28 30.8 V T05
2021-10-29 07:25:34 C 21 26 50.04 +67 28 23.4 V T05
2021-10-29 07:34:17 C 21 26 50.41 +67 28 09.6 V T05
2021-10-29 07:50:50 C 21 26 51.12 +67 27 43.6 V T05
2021-10-29 17:38:49 C 21 27 21.12 +67 12 26.3 V K87
2021-10-29 17:43:02 C 21 27 21.31 +67 12 19.8 V K87
2021-10-29 17:47:15 C 21 27 21.50 +67 12 13.2 V K87
2021-11-05 19:23:34 C 21 36 19.96 +63 14 08.6 X B88
2021-11-05 19:56:53 C 21 36 21.68 +63 13 25.8 X B88
2021-11-05 20:30:08 C 21 36 23.46 +63 12 43.3 X B88
2021-11-06 07:27:04 C 21 37 00.11 +62 58 56.4 V T05
2021-11-06 07:31:42 C 21 37 00.45 +62 58 51.0 V T05
2021-11-06 07:40:56 C 21 37 00.86 +62 58 39.8 V T05