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
2017-12-10 05:36:55 C 22 03 59.76 -16 18 14.6 U T05
2017-12-16 01:30:35 C 22 25 23.53 -13 47 31.3 U 703
2017-12-16 01:38:20 C 22 25 24.68 -13 47 23.2 U 703
2017-12-16 01:46:04 C 22 25 25.82 -13 47 14.0 U 703
2017-12-16 01:53:48 C 22 25 26.97 -13 47 05.9 U 703
2018-01-06 02:41:17 C 23 36 40.45 -04 35 04.3 U 703
2018-01-06 02:48:48 C 23 36 41.46 -04 34 56.7 U 703
2018-01-06 02:56:19 C 23 36 42.48 -04 34 48.7 U 703
2018-01-06 03:03:51 C 23 36 43.38 -04 34 40.3 U 703
2018-01-06 05:14:02 C 23 37 00.723 -04 32 20.45 U F51
2018-01-06 05:21:27 C 23 37 01.696 -04 32 12.49 U F51
2018-01-06 05:28:52 C 23 37 02.669 -04 32 04.52 U F51
2018-01-06 05:36:16 C 23 37 03.642 -04 31 56.61 U F51
2018-01-12 05:50:01 C 23 55 52.67 -01 59 53.1 U T05
2018-01-12 05:54:17 C 23 55 53.15 -01 59 48.2 U T05
2018-01-12 06:05:06 C 23 55 54.55 -01 59 36.8 U T05
2018-01-12 06:10:31 C 23 55 55.31 -01 59 31.9 U T05
2018-01-12 06:14:30 C 23 55 55.73 -01 59 26.1 U T05
2018-01-12 06:19:11 C 23 55 56.42 -01 59 22.6 U T05
2018-01-12 06:23:08 C 23 55 56.87 -01 59 17.3 U T05
2018-01-14 01:53:22 C 00 01 30.92 -01 14 23.1 U 703
2018-01-14 02:01:08 C 00 01 31.83 -01 14 15.0 U 703
2018-01-14 02:16:42 C 00 01 33.65 -01 14 01.3 U 703
2018-01-14 05:29:59 C 00 01 58.35 -01 10 39.9 U T08
2018-01-14 05:35:09 C 00 01 58.89 -01 10 33.5 U T08
2018-01-14 05:44:03 C 00 02 00.08 -01 10 23.4 U T08
2018-01-14 05:48:10 C 00 02 00.67 -01 10 20.9 U T08
2018-01-14 05:55:40 C 00 02 01.57 -01 10 12.0 U T08
2018-01-15 01:54:40 C 00 04 33.97 -00 49 47.6 U 703
2018-01-15 02:02:27 C 00 04 34.87 -00 49 39.9 U 703
2018-01-15 02:10:14 C 00 04 35.81 -00 49 30.8 U 703
2018-01-16 01:48:22 C 00 07 35.08 -00 25 27.7 U 703
2018-01-16 01:56:48 C 00 07 36.16 -00 25 17.7 U 703
2018-01-16 02:05:15 C 00 07 37.18 -00 25 10.1 U 703
2018-01-16 02:13:42 C 00 07 38.34 -00 24 59.9 U 703
2018-01-19 01:55:10 C 00 16 36.99 +00 47 03.0 U 703
2018-01-19 02:02:46 C 00 16 37.97 +00 47 11.2 U 703
2018-01-19 02:17:57 C 00 16 39.84 +00 47 28.2 U 703
2018-01-27 02:17:44 C 00 40 07.94 +03 53 01.4 U G96
2018-01-27 02:24:37 C 00 40 08.76 +03 53 08.8 U G96
2018-01-27 02:31:30 C 00 40 09.60 +03 53 14.5 U G96
2018-01-27 02:38:23 C 00 40 10.38 +03 53 20.7 U G96
2018-02-09 02:28:01 C 01 16 45.58 +08 29 24.0 U 703
2018-02-09 02:36:16 C 01 16 46.45 +08 29 31.1 U 703
2018-02-09 02:52:44 C 01 16 48.26 +08 29 43.7 U 703
2018-02-25 02:18:14 C 01 59 50.39 +13 23 34.5 U G96
2018-02-25 02:25:48 C 01 59 51.21 +13 23 40.2 U G96
2018-02-25 02:33:23 C 01 59 52.05 +13 23 45.2 U G96
2018-02-25 02:40:56 C 01 59 52.85 +13 23 50.2 U G96
2019-01-08 11:23:38 C 10 34 58.504 +18 34 59.89 U F51