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
2021-09-15 00:06:50 C 08 37 41.15 +53 12 04.0 V G02
2021-09-15 00:12:59 C 08 37 41.01 +53 12 41.1 V G02
2021-09-15 00:19:09 C 08 37 40.97 +53 13 17.7 V G02
2021-09-15 22:54:36 C 08 37 19.27 +55 28 51.5 V Z80
2021-09-15 22:59:36 C 08 37 19.16 +55 29 21.7 V Z80
2021-09-15 23:04:36 C 08 37 19.11 +55 29 50.9 V Z80
2021-09-30 17:44:32 S 08 20 27.547 +84 08 51.90 L C51
2021-09-30 20:52:40 S 08 19 36.482 +84 20 37.90 L C51
2021-09-30 22:26:44 S 08 19 09.583 +84 26 29.69 L C51
2021-10-01 00:00:48 S 08 18 41.714 +84 32 20.36 L C51
2021-10-01 01:34:52 S 08 18 12.622 +84 38 10.50 L C51
2021-10-01 04:43:11 S 08 17 11.398 +84 49 48.65 L C51
2021-10-01 06:17:15 S 08 16 38.976 +84 55 35.94 L C51
2021-10-01 07:51:19 S 08 16 05.215 +85 01 22.44 L C51
2021-10-02 08:46:52 C 08 03 14.79 +86 31 04.9 V H06
2021-10-02 08:49:37 C 08 03 12.70 +86 31 14.7 V H06
2021-10-02 08:52:22 C 08 03 10.81 +86 31 24.7 V H06
2021-10-03 06:08:04 C 07 38 26.75 +87 43 58.0 V T08
2021-10-03 06:20:04 C 07 38 06.39 +87 44 38.0 V T08
2021-10-03 06:28:42 C 07 37 51.95 +87 45 06.8 V T08
2021-10-03 06:44:04 C 07 37 25.58 +87 45 58.1 V T08
2021-10-03 10:52:37 C 07 29 19.10 +87 59 44.5 V T08
2021-10-03 10:57:18 C 07 29 08.66 +88 00 00.1 V T08
2021-10-03 11:47:40 C 07 27 12.16 +88 02 46.2 V T08
2021-10-03 11:51:43 C 07 27 03.20 +88 02 59.1 V T08
2021-10-03 11:56:06 C 07 26 53.34 +88 03 13.8 V T08
2021-10-11 07:36:02 C 21 18 01.42 +82 16 05.2 V T08
2021-10-11 07:40:03 C 21 18 01.19 +82 15 54.8 V T08
2021-10-11 07:49:20 C 21 18 00.22 +82 15 29.8 V T08
2021-10-11 08:04:38 C 21 17 58.71 +82 14 48.6 V T08
2021-10-12 02:20:01 C 21 16 51.67 +81 26 32.8 V L63
2021-10-12 02:34:45 C 21 16 51.06 +81 25 54.1 V L63
2021-10-12 02:49:27 C 21 16 50.33 +81 25 15.1 V L63
2021-10-13 08:12:24 C 21 15 51.67 +80 10 32.8 V T05
2021-10-13 08:31:07 C 21 15 50.96 +80 09 45.5 V T05
2021-10-13 08:47:04 C 21 15 50.36 +80 09 05.1 V T05
2021-10-14 03:07:24 C 21 15 33.18 +79 23 32.5 V L63
2021-10-14 03:22:20 C 21 15 33.10 +79 22 55.6 V L63
2021-10-14 03:37:21 C 21 15 33.07 +79 22 18.5 V L63
2021-10-15 07:14:35 C 21 15 29.23 +78 16 20.6 V T08
2021-10-15 07:19:14 C 21 15 29.10 +78 16 10.0 V T08
2021-10-15 07:29:51 C 21 15 29.03 +78 15 44.2 V T08
2021-10-15 07:46:26 C 21 15 28.92 +78 15 05.5 V T08
2021-10-17 06:58:15 C 21 16 01.07 +76 27 14.3 V T05
2021-10-17 07:04:15 C 21 16 00.99 +76 27 00.6 V T05
2021-10-17 07:13:32 C 21 16 01.14 +76 26 40.1 V T05
2021-10-17 07:28:04 C 21 16 01.26 +76 26 07.4 V T05
2021-10-17 07:35:19 C 21 16 01.20 +76 25 51.1 V T05
2021-10-17 07:42:41 C 21 16 01.33 +76 25 34.8 V T05
2021-10-17 07:48:38 C 21 16 01.38 +76 25 21.5 V T05