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
2016-03-11 08:03:59 C 10 10 38.161 +21 08 35.57 L F51
2016-03-25 09:49:52 C 09 58 53.014 +21 37 00.13 L F51
2016-03-25 10:08:35 C 09 58 52.466 +21 37 00.81 L F51
2016-03-25 10:27:26 C 09 58 51.923 +21 37 01.39 L F51
2017-04-26 08:16:41 C 15 44 53.84 -19 00 38.1 q 703
2017-04-26 08:24:00 C 15 44 53.46 -19 00 38.3 q 703
2017-04-26 08:31:17 C 15 44 53.21 -19 00 38.1 q 703
2017-04-26 08:38:33 C 15 44 52.86 -19 00 38.9 q 703
2017-04-26 11:49:18 C 15 44 45.465 -19 00 44.65 L F51
2017-04-26 12:05:26 C 15 44 44.802 -19 00 45.28 L F51
2017-04-26 12:21:34 C 15 44 44.138 -19 00 45.85 L F51
2017-04-26 12:37:43 C 15 44 43.469 -19 00 46.39 L F51
2017-05-02 07:47:47 C 15 38 41.25 -19 04 49.2 q 703
2017-05-02 07:55:31 C 15 38 40.92 -19 04 49.9 q 703
2017-05-02 08:14:54 C 15 38 39.83 -19 04 50.7 q 703
2017-05-02 08:15:15 C 15 38 39.88 -19 04 50.5 q G96
2017-05-02 08:21:14 C 15 38 39.61 -19 04 50.7 q 703
2017-05-02 08:21:25 C 15 38 39.60 -19 04 51.0 q G96
2017-05-02 08:27:32 C 15 38 39.26 -19 04 50.5 q G96
2017-05-02 08:28:58 C 15 38 39.27 -19 04 50.4 q 703
2017-05-02 08:33:39 C 15 38 38.94 -19 04 50.2 q G96
2017-05-02 08:36:42 C 15 38 38.76 -19 04 50.8 q 703
2017-05-02 08:47:50 C 15 38 38.20 -19 04 50.7 q 703
2017-05-05 02:16:28 C 15 35 23.265 -19 05 52.45 U 309
2017-05-05 02:18:12 C 15 35 23.176 -19 05 52.56 U 309
2017-05-05 02:19:57 C 15 35 23.079 -19 05 52.53 U 309
2017-05-05 02:21:42 C 15 35 22.984 -19 05 52.58 U 309
2017-05-05 02:23:27 C 15 35 22.891 -19 05 52.54 U 309
2017-05-05 02:25:12 C 15 35 22.798 -19 05 52.64 U 309
2017-05-05 02:26:57 C 15 35 22.707 -19 05 52.74 U 309
2017-05-05 02:28:42 C 15 35 22.611 -19 05 52.72 U 309
2017-05-05 02:30:27 C 15 35 22.519 -19 05 52.80 U 309
2017-05-05 02:32:12 C 15 35 22.422 -19 05 52.72 U 309
2017-05-05 06:40:36 C 15 35 09.42 -19 06 04.4 q 703
2017-05-05 06:48:32 C 15 35 08.95 -19 06 04.8 q 703
2017-05-05 06:56:27 C 15 35 08.52 -19 06 05.0 q 703
2017-05-05 07:04:22 C 15 35 08.06 -19 06 04.6 q 703
2017-05-08 06:26:34 C 15 31 17.80 -19 06 48.1 u H21
2017-05-08 06:32:10 C 15 31 17.49 -19 06 48.1 u H21
2017-05-08 06:38:22 C 15 31 17.13 -19 06 48.1 u H21
2017-05-08 06:44:59 C 15 31 16.72 -19 06 48.4 u H21
2017-05-19 04:16:58 C 15 15 26.80 -19 04 45.3 o W92
2017-05-19 04:37:12 C 15 15 25.47 -19 04 45.7 o W92
2017-05-19 09:54:25 C 15 15 05.338 -19 04 47.99 L F51
2017-05-19 10:10:49 C 15 15 04.242 -19 04 47.66 L F51
2017-05-19 10:27:12 C 15 15 03.147 -19 04 47.34 L F51
2017-05-19 10:43:39 C 15 15 02.044 -19 04 46.97 L F51
2017-05-24 06:27:53 C 15 07 34.19 -19 02 12.8 q G96
2017-05-24 06:34:01 C 15 07 33.78 -19 02 12.8 q G96
2017-05-24 06:40:19 C 15 07 33.36 -19 02 12.5 q G96