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
2021-02-12 09:14:29 C 12 04 12.82 +55 36 57.1 V G96
2021-02-12 09:22:00 C 12 04 12.22 +55 37 01.9 V G96
2021-03-17 05:49:27 C 10 29 03.23 +59 32 07.8 V 703
2021-03-17 05:57:51 C 10 29 02.05 +59 32 06.3 V 703
2021-03-17 06:06:34 C 10 29 00.76 +59 32 04.7 V 703
2021-03-17 06:14:54 C 10 28 59.53 +59 32 03.7 V 703
2021-03-20 06:00:57 C 10 18 52.09 +59 17 57.8 V 703
2021-03-20 06:17:13 C 10 18 49.76 +59 17 53.6 V 703
2021-03-20 06:25:04 C 10 18 48.88 +59 17 50.1 V 703
2021-03-30 08:30:51 C 09 47 34.446 +57 42 47.32 U F52
2021-03-30 08:50:28 C 09 47 32.126 +57 42 37.07 U F52
2021-03-30 09:10:04 C 09 47 29.784 +57 42 26.20 U F52
2021-03-30 09:29:34 C 09 47 27.473 +57 42 16.00 U F52
2021-04-08 04:33:48 C 09 25 46.05 +55 28 58.2 V 703
2021-04-08 04:50:39 C 09 25 44.61 +55 28 46.6 V 703
2021-04-08 04:59:06 C 09 25 43.62 +55 28 41.1 V 703
2021-04-11 03:39:25 C 09 19 48.50 +54 35 57.6 V G96
2021-04-11 03:47:07 C 09 19 47.86 +54 35 51.6 V G96
2021-04-11 03:54:47 C 09 19 47.25 +54 35 45.6 V G96
2021-04-11 04:02:27 C 09 19 46.63 +54 35 39.7 V G96
2021-04-11 05:05:20 C 09 19 41.47 +54 34 51.1 V 703
2021-04-11 05:13:06 C 09 19 40.94 +54 34 44.8 V 703
2021-04-11 05:20:51 C 09 19 40.34 +54 34 39.5 V 703
2021-04-11 05:28:36 C 09 19 39.67 +54 34 33.0 V 703
2021-04-20 04:08:27 C 09 05 46.04 +51 36 11.8 V 703
2021-04-20 04:16:51 C 09 05 45.61 +51 36 04.7 V 703
2021-04-20 04:33:37 C 09 05 44.88 +51 35 50.1 V 703
2021-04-22 03:18:53 C 09 03 28.93 +50 54 12.1 V G96
2021-04-22 03:26:46 C 09 03 28.57 +50 54 04.5 V G96
2021-04-22 03:34:37 C 09 03 28.19 +50 53 57.7 V G96
2021-04-22 03:42:28 C 09 03 27.82 +50 53 51.0 V G96
2021-04-25 05:09:41 C 09 00 24.56 +49 46 52.6 V 703
2021-04-25 05:18:58 C 09 00 24.12 +49 46 43.8 V 703
2021-04-25 05:28:15 C 09 00 23.82 +49 46 34.2 V 703
2021-04-25 05:37:32 C 09 00 23.45 +49 46 27.4 V 703
2021-04-30 06:44:34 C 08 56 36.42 +47 52 41.0 V T08
2021-04-30 06:49:13 C 08 56 36.29 +47 52 36.7 V T08
2021-04-30 06:57:57 C 08 56 36.06 +47 52 28.7 V T08
2021-04-30 07:12:42 C 08 56 35.73 +47 52 13.8 V T08
2021-05-05 04:16:45 C 08 54 15.68 +45 59 02.7 V 703
2021-05-05 04:39:39 C 08 54 15.40 +45 58 39.9 V 703
2021-05-08 05:59:15 C 08 53 24.11 +44 46 30.3 V T08
2021-05-08 06:03:54 C 08 53 24.13 +44 46 26.8 V T08
2021-05-08 06:11:17 C 08 53 23.92 +44 46 18.1 V T08
2021-05-08 06:26:35 C 08 53 23.82 +44 46 03.3 V T08
2021-05-12 06:03:29 C 08 52 54.12 +43 10 40.3 V T08
2021-05-12 06:08:48 C 08 52 54.06 +43 10 34.5 V T08
2021-05-12 06:18:48 C 08 52 54.09 +43 10 24.5 V T08
2021-05-12 06:36:05 C 08 52 54.02 +43 10 07.1 V T08
2021-05-23 03:59:52 C 08 54 35.89 +38 42 43.7 V 703