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
2021-11-06 07:58:05 C 21 37 01.76 +62 58 17.4 V T05
2021-11-12 07:14:34 C 21 45 21.23 +60 12 51.9 V T08
2021-11-12 07:19:53 C 21 45 21.59 +60 12 46.6 V T08
2021-11-12 07:27:52 C 21 45 22.02 +60 12 37.7 V T08
2021-11-12 07:42:30 C 21 45 22.85 +60 12 21.5 V T08
2021-11-24 05:57:51 C 22 03 06.48 +55 54 03.9 V T08
2021-11-24 06:02:29 C 22 03 06.74 +55 53 59.7 V T08
2021-11-24 06:11:11 C 22 03 07.15 +55 53 53.9 V T08
2021-11-24 06:27:07 C 22 03 08.28 +55 53 41.3 V T08
2021-11-26 05:22:19 C 22 06 08.56 +55 19 05.2 V T05
2021-11-26 05:26:59 C 22 06 08.89 +55 19 01.9 V T05
2021-11-26 05:55:32 C 22 06 10.68 +55 18 41.2 V T05
2021-11-26 06:19:23 C 22 06 12.08 +55 18 23.1 V T05
2021-12-09 17:09:34 C 22 27 25.45 +52 08 17.1 X B88
2021-12-09 17:23:09 C 22 27 26.41 +52 08 10.9 X B88
2021-12-09 17:39:14 C 22 27 27.35 +52 08 02.9 X B88
2021-12-11 17:24:10 C 22 30 39.51 +51 46 15.3 X B88
2021-12-11 18:12:10 C 22 30 42.76 +51 45 54.7 X B88
2021-12-11 18:57:09 C 22 30 45.67 +51 45 33.9 X B88
2021-12-16 17:40:02 C 22 38 46.50 +50 57 37.6 X B88
2021-12-16 18:18:29 C 22 38 49.08 +50 57 24.2 X C95
2021-12-16 18:28:08 C 22 38 49.63 +50 57 19.7 X B88
2021-12-16 18:40:52 C 22 38 50.57 +50 57 14.6 X C95
2021-12-16 19:03:30 C 22 38 52.13 +50 57 06.1 X C95
2021-12-16 19:16:13 C 22 38 52.96 +50 57 00.8 X B88
2021-12-17 17:36:58 C 22 40 23.94 +50 48 56.8 X B88
2021-12-17 18:32:22 C 22 40 27.66 +50 48 36.7 X B88
2021-12-17 19:27:17 C 22 40 31.28 +50 48 17.6 X B88
2021-12-18 17:36:35 C 22 42 01.65 +50 40 34.7 X B88
2021-12-18 18:42:21 C 22 42 06.06 +50 40 12.3 X B88
2021-12-18 19:50:14 C 22 42 10.64 +50 39 48.8 X B88
2021-12-19 18:18:37 C 22 43 42.38 +50 32 16.8 X B88
2021-12-19 19:08:18 C 22 43 45.68 +50 32 00.5 X B88
2021-12-19 19:59:51 C 22 43 49.17 +50 31 42.8 X B88
2021-12-31 17:47:43 C 23 03 24.45 +49 18 06.5 X B88
2021-12-31 18:30:15 C 23 03 27.39 +49 17 58.3 X B88
2021-12-31 19:12:48 C 23 03 30.21 +49 17 49.9 X B88
2022-01-01 17:53:33 C 23 05 04.24 +49 13 36.0 X B88
2022-01-01 18:39:09 C 23 05 07.34 +49 13 28.1 X B88
2022-01-01 19:24:47 C 23 05 10.51 +49 13 20.0 X B88
2022-01-08 17:28:01 C 23 16 40.84 +48 48 50.0 X B88
2022-01-08 17:58:08 C 23 16 42.85 +48 48 47.0 X B88
2022-01-08 18:30:13 C 23 16 45.28 +48 48 43.5 X B88
2022-01-09 17:35:24 C 23 18 21.46 +48 46 09.9 X B88
2022-01-09 18:02:26 C 23 18 23.40 +48 46 07.8 X B88
2022-01-09 18:32:57 C 23 18 25.80 +48 46 06.5 X B88
2022-01-13 03:15:00 C 23 24 02.36 +48 38 39.7 V G96
2022-01-13 03:22:40 C 23 24 02.83 +48 38 39.4 V G96
2022-01-13 03:30:21 C 23 24 03.39 +48 38 38.6 V G96
2022-01-13 03:38:03 C 23 24 03.97 +48 38 37.9 V G96