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
2017-06-30 00:29:04 C 14 28 58.39 -19 22 07.7 o W92
2017-07-14 07:11:30 C 14 30 18.96 -20 22 46.7 L T05
2017-07-14 07:23:45 C 14 30 19.16 -20 22 49.2 L T05
2017-07-14 07:35:13 C 14 30 19.36 -20 22 51.9 L T05
2017-07-14 07:47:23 C 14 30 19.57 -20 22 54.4 L T05
2017-07-16 07:05:19 C 14 31 17.76 -20 34 04.1 L T08
2017-07-16 07:11:22 S 14 31 18.082 -20 33 59.58 L C51
2017-07-16 07:16:31 C 14 31 18.00 -20 34 06.9 L T08
2017-07-16 07:28:24 C 14 31 18.19 -20 34 09.9 L T08
2017-07-16 07:39:37 C 14 31 18.45 -20 34 12.9 L T08
2017-07-16 16:37:03 S 14 31 31.010 -20 36 18.43 L C51
2017-07-16 18:11:18 S 14 31 33.127 -20 36 41.44 L C51
2017-07-16 21:19:49 S 14 31 37.594 -20 37 27.34 L C51
2017-07-17 00:28:18 S 14 31 42.02 -20 38 13.5 L C51
2017-07-17 03:36:59 S 14 31 46.59 -20 39 01.3 L C51
2017-07-17 06:45:30 S 14 31 51.22 -20 39 50.0 L C51
2017-07-17 09:54:00 S 14 31 55.82 -20 40 34.9 L C51
2017-07-20 00:24:04 C 14 33 37.66 -20 56 46.6 o W92
2017-07-20 00:27:52 C 14 33 37.73 -20 56 47.5 o W92
2017-07-20 00:35:30 C 14 33 37.97 -20 56 49.4 o W92
2017-07-20 06:57:40 C 14 33 49.30 -20 58 38.9 L T08
2017-07-20 07:09:34 C 14 33 49.64 -20 58 41.4 L T08
2017-07-20 07:20:44 C 14 33 49.96 -20 58 45.3 L T08
2017-07-20 07:31:57 C 14 33 50.27 -20 58 48.0 L T08
2017-07-26 06:41:55 C 14 38 59.51 -21 40 09.0 L T05
2017-07-26 06:54:12 C 14 38 59.98 -21 40 12.6 L T05
2017-07-26 07:05:39 C 14 39 00.51 -21 40 15.3 L T05
2017-07-26 07:17:57 C 14 39 00.94 -21 40 19.1 L T05
2017-08-08 06:55:18 C 14 55 39.76 -23 26 23.9 L T05
2017-08-08 07:08:11 C 14 55 40.56 -23 26 29.2 L T05
2017-08-08 07:19:35 C 14 55 41.28 -23 26 32.6 L T05
2017-08-08 07:30:09 C 14 55 41.87 -23 26 35.7 L T05
2017-08-28 05:48:24 C 15 34 49.92 -26 32 37.1 L T05
2017-08-28 05:55:03 C 15 34 50.54 -26 32 39.5 L T05
2017-08-28 06:10:22 C 15 34 51.97 -26 32 45.2 L T05
2017-08-28 06:22:25 C 15 34 53.17 -26 32 49.7 L T05
2017-11-22 05:12:57 C 20 53 08.18 -23 20 57.0 U T08
2017-11-22 05:22:54 C 20 53 09.82 -23 20 49.1 U T08
2017-11-22 05:32:47 C 20 53 11.55 -23 20 40.2 U T08
2017-11-22 05:42:42 C 20 53 13.24 -23 20 32.0 U T08
2017-12-08 05:08:29 C 21 56 24.42 -17 09 24.4 U T08
2017-12-08 05:18:25 C 21 56 25.94 -17 09 14.5 U T08
2017-12-08 05:28:21 C 21 56 27.45 -17 09 04.0 U T08
2017-12-08 05:29:01 C 21 56 27.58 -17 09 03.2 U T08
2017-12-08 05:37:37 C 21 56 28.95 -17 08 52.9 U T08
2017-12-08 05:38:17 C 21 56 29.06 -17 08 53.5 U T08
2017-12-08 05:47:31 C 21 56 30.50 -17 08 43.2 U T08
2017-12-10 05:07:43 C 22 03 55.27 -16 18 45.4 U T05
2017-12-10 05:17:45 C 22 03 56.77 -16 18 34.9 U T05
2017-12-10 05:27:41 C 22 03 58.31 -16 18 23.8 U T05