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
2017-05-24 06:46:27 C 15 07 32.94 -19 02 12.7 q G96
2017-05-24 10:55:46 C 15 07 16.65 -19 02 04.6 L T08
2017-05-24 11:19:39 C 15 07 15.05 -19 02 03.6 L T08
2017-05-24 11:43:37 C 15 07 13.43 -19 02 03.1 L T08
2017-05-24 12:07:38 C 15 07 11.88 -19 02 02.0 L T08
2017-05-25 10:47:44 C 15 05 44.47 -19 01 27.9 L T08
2017-05-25 11:11:37 C 15 05 42.92 -19 01 27.2 L T08
2017-05-25 11:35:46 C 15 05 41.25 -19 01 26.8 L T08
2017-05-25 11:59:07 C 15 05 39.75 -19 01 25.8 L T08
2017-05-26 14:41:01 C 15 03 57.46 -19 00 46.7 q D29
2017-05-26 15:01:22 C 15 03 56.12 -19 00 46.0 q D29
2017-05-26 15:21:45 C 15 03 54.77 -19 00 45.8 q D29
2017-05-27 07:04:09 C 15 02 54.60 -19 00 20.7 q 703
2017-05-27 07:06:58 C 15 02 54.44 -19 00 20.7 q 703
2017-05-27 07:09:46 C 15 02 54.22 -19 00 20.8 q 703
2017-05-27 07:12:33 C 15 02 54.07 -19 00 20.8 q 703
2017-05-28 10:32:08 C 15 01 10.13 -18 59 38.0 L T08
2017-05-28 10:56:08 C 15 01 08.58 -18 59 35.8 L T08
2017-05-28 11:20:11 C 15 01 07.00 -18 59 35.4 L T08
2017-05-28 11:44:17 C 15 01 05.45 -18 59 34.5 L T08
2017-05-29 10:28:42 C 14 59 40.02 -18 59 00.8 L T08
2017-05-29 10:52:39 C 14 59 38.46 -18 59 00.2 L T08
2017-05-29 11:16:34 C 14 59 36.89 -18 58 58.7 L T08
2017-05-29 11:40:21 C 14 59 35.37 -18 58 58.7 L T08
2017-05-30 09:52:50 C 14 58 12.94 -18 58 26.1 L T05
2017-05-30 10:16:22 C 14 58 11.41 -18 58 25.8 L T05
2017-05-30 10:17:05 C 14 58 11.39 -18 58 25.9 L T05
2017-05-30 10:40:44 C 14 58 09.86 -18 58 24.9 L T05
2017-05-30 11:04:19 C 14 58 08.32 -18 58 24.3 L T05
2017-05-30 11:05:03 C 14 58 08.31 -18 58 24.1 L T05
2017-05-30 11:27:56 C 14 58 06.82 -18 58 24.0 L T05
2017-05-30 11:28:40 C 14 58 06.78 -18 58 23.5 L T05
2017-05-30 11:52:13 C 14 58 05.29 -18 58 22.8 L T05
2017-05-31 02:30:40 C 14 57 11.91 -18 57 54.3 o W92
2017-05-31 02:39:59 C 14 57 11.27 -18 57 53.3 o W92
2017-05-31 02:49:14 C 14 57 10.72 -18 57 54.1 o W92
2017-05-31 03:03:10 C 14 57 09.76 -18 57 53.3 o W92
2017-05-31 03:12:34 C 14 57 09.22 -18 57 53.6 o W92
2017-05-31 03:21:49 C 14 57 08.60 -18 57 52.5 o W92
2017-06-02 04:17:26 C 14 54 11.93 -18 56 57.9 q 703
2017-06-02 04:25:54 C 14 54 11.44 -18 56 58.5 q 703
2017-06-02 04:34:21 C 14 54 10.90 -18 56 57.9 q 703
2017-06-02 04:42:46 C 14 54 10.34 -18 56 57.8 q 703
2017-06-02 09:20:34 C 14 53 53.60 -18 56 50.2 L T08
2017-06-02 09:45:00 C 14 53 52.19 -18 56 50.6 L T08
2017-06-02 10:09:34 C 14 53 50.67 -18 56 49.1 L T08
2017-06-02 10:34:17 C 14 53 49.11 -18 56 48.9 L T08
2017-06-03 09:59:11 C 14 52 26.97 -18 56 23.2 L T05
2017-06-03 10:23:27 C 14 52 25.44 -18 56 22.4 L T05
2017-06-03 10:47:01 C 14 52 24.02 -18 56 21.5 L T05