136923 (1998 JH2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4417424222 ± 1.53e-08
Semi-major axis (a)2.1339941525 AU ± 4.90e-09
Inclination (i)6.62456112° ± 2.51e-06
Long. of Asc. Node (Ω)51.05815944° ± 1.33e-05
Arg. of Perihelion (ω)287.32179464° ± 1.36e-05
Mean Anomaly (M)210.17840997° ± 5.05e-06
Mean Motion (n)0.3161712954°/day ± 1.09e-09
Perihelion dist (q)1.19131841 AU ± 3.28e-08
Aphelion dist (Q)3.07666990 AU ± 3.35e-08
Orbital Period3.11738067 yr ± 1.07e-08
Physical Parameters
H (abs. magnitude)16.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.298″
Uncertainty0
Orbit TypeAmor
MOID0.216916 AU
Observations Used1183
Oppositions26
Arc Total1986-2025
First Observation Used1986-11-02
Last Observation Used2025-03-06
Observations (1267)
Date Type RA Dec Mag Band Observatory
2011-10-26 11:05:49 C 04 18 17.762 +18 53 15.35 L F51
2011-10-26 23:42:45 C 04 17 38.82 +18 57 49.7 u 089
2011-10-26 23:45:07 C 04 17 38.70 +18 57 50.6 u 089
2011-10-26 23:47:29 C 04 17 38.56 +18 57 51.6 u 089
2011-10-26 23:49:51 C 04 17 38.44 +18 57 52.3 u 089
2011-10-26 23:52:13 C 04 17 38.31 +18 57 53.3 u 089
2011-10-26 23:54:35 C 04 17 38.17 +18 57 54.1 u 089
2011-10-26 23:56:57 C 04 17 38.05 +18 57 54.9 u 089
2011-10-26 23:59:19 C 04 17 37.91 +18 57 55.8 u 089
2011-10-27 00:01:41 C 04 17 37.77 +18 57 56.8 u 089
2011-10-27 00:04:03 C 04 17 37.65 +18 57 57.6 u 089
2011-10-29 09:17:37 C 04 14 33.03 +19 18 44.1 o 691
2011-10-29 09:39:36 C 04 14 31.70 +19 18 51.8 o 691
2011-10-29 09:43:12 C 04 14 31.49 +19 18 53.2 o 691
2011-10-29 10:05:12 C 04 14 30.16 +19 19 00.8 o 691
2011-10-29 10:08:47 C 04 14 29.93 +19 19 02.4 o 691
2011-11-01 07:34:38 C 04 10 27.86 +19 42 47.7 17.5 c 704
2011-11-01 07:52:14 C 04 10 26.65 +19 42 52.0 17.3 c 704
2011-11-01 08:09:51 C 04 10 25.48 +19 42 58.8 17.3 c 704
2011-11-01 08:27:29 C 04 10 24.35 +19 43 04.7 17.5 c 704
2011-11-01 08:45:05 C 04 10 23.22 +19 43 10.2 17.6 c 704
2011-11-03 08:57:54 C 04 07 24.84 +19 58 42.2 o 691
2011-11-03 09:23:31 C 04 07 23.11 +19 58 50.2 o 691
2011-11-03 09:49:12 C 04 07 21.39 +19 58 58.1 o 691
2011-11-04 17:06:13 C 04 05 22.22 +20 08 35.1 u 379
2011-11-04 17:11:54 C 04 05 21.85 +20 08 36.6 u 379
2011-11-04 17:14:34 C 04 05 21.70 +20 08 37.8 u 379
2011-11-04 17:17:13 C 04 05 21.47 +20 08 38.8 u 379
2011-11-15 10:00:51 C 03 48 22.50 +21 14 02.5 r 703
2011-11-15 10:08:11 C 03 48 21.99 +21 14 04.0 r 703
2011-11-15 10:15:29 C 03 48 21.45 +21 14 05.5 r 703
2011-11-15 10:22:45 C 03 48 20.98 +21 14 07.1 r 703
2011-11-16 07:35:59 C 03 46 58.36 +21 18 27.5 r G96
2011-11-16 07:48:04 C 03 46 57.54 +21 18 29.9 r G96
2011-11-16 08:00:16 C 03 46 56.67 +21 18 32.3 r G96
2011-11-16 08:12:25 C 03 46 55.84 +21 18 34.7 r G96
2011-11-17 09:12:35 C 03 45 18.42 +21 23 27.6 16.8 c 704
2011-11-17 09:30:37 C 03 45 17.21 +21 23 30.7 16.9 c 704
2011-11-17 09:49:07 C 03 45 15.94 +21 23 34.3 17.1 c 704
2011-11-17 10:07:12 C 03 45 14.78 +21 23 36.9 17.1 c 704
2011-11-17 10:25:59 C 03 45 13.46 +21 23 41.2 17.0 c 704
2011-11-19 07:37:41 C 03 42 21.99 +21 31 59.4 16.2 c 704
2011-11-19 07:55:46 C 03 42 20.83 +21 32 02.2 16.3 c 704
2011-11-19 08:14:08 C 03 42 19.59 +21 32 05.6 16.5 c 704
2011-11-19 08:32:11 C 03 42 18.50 +21 32 08.2 16.6 c 704
2011-11-19 08:50:16 C 03 42 17.19 +21 32 11.7 16.9 c 704
2011-11-22 05:46:52 C 03 38 05.89 +21 43 35.4 r 703
2011-11-22 06:00:44 C 03 38 05.02 +21 43 37.6 r 703
2011-11-22 06:14:49 C 03 38 04.12 +21 43 39.8 r 703
2011-11-22 06:28:53 C 03 38 03.26 +21 43 42.1 r 703