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
2007-03-16 07:02:11 C 11 44 13.99 +10 52 47.3 r G96
2008-06-15 10:52:39 C 01 31 06.13 +02 50 52.4 r 448
2008-06-15 11:00:46 C 01 31 07.23 +02 50 58.5 r 448
2008-09-29 00:30:05 C 06 16 46.22 +23 42 09.1 r B67
2008-09-29 00:43:04 C 06 16 46.99 +23 42 11.9 r B67
2008-09-29 00:56:06 C 06 16 47.74 +23 42 14.6 r B67
2008-11-01 00:39:02 C 06 40 40.06 +26 37 20.6 A50
2008-11-01 08:55:36 C 06 40 38.21 +26 39 34.8 18.3 c 704
2008-11-01 09:12:30 C 06 40 38.12 +26 39 39.5 18.7 c 704
2008-11-01 09:29:38 C 06 40 38.02 +26 39 43.9 19.5 c 704
2008-11-01 09:46:32 C 06 40 37.87 +26 39 49.1 19.6 c 704
2008-11-20 10:46:15 C 06 28 41.32 +28 48 17.1 18.4 c 704
2008-11-20 11:04:11 C 06 28 40.42 +28 48 22.1 18.6 c 704
2008-11-20 11:40:50 C 06 28 38.60 +28 48 32.0 18.8 c 704
2008-11-20 11:58:48 C 06 28 37.77 +28 48 36.6 18.7 c 704
2008-11-21 10:24:35 C 06 27 33.37 +28 54 50.2 o 691
2008-11-21 10:50:07 C 06 27 32.06 +28 54 57.1 o 691
2008-11-21 11:20:38 C 06 27 30.50 +28 55 05.4 o 691
2008-11-23 07:45:52 C 06 25 15.81 +29 07 10.6 o G58
2008-11-23 07:50:01 C 06 25 15.55 +29 07 11.0 o G58
2008-11-23 07:54:08 C 06 25 15.35 +29 07 12.8 o G58
2008-12-03 06:34:44 C 06 10 50.35 +30 05 20.3 19.5 c 704
2008-12-03 06:52:52 C 06 10 49.15 +30 05 22.6 19.0 c 704
2008-12-03 07:10:46 C 06 10 47.88 +30 05 26.9 19.0 c 704
2008-12-03 07:29:05 C 06 10 46.62 +30 05 30.6 18.9 c 704
2008-12-03 08:30:18 C 06 10 42.45 +30 05 43.6 o 691
2008-12-03 08:56:41 C 06 10 40.61 +30 05 48.6 o 691
2008-12-03 09:22:29 C 06 10 38.85 +30 05 53.8 o 691
2008-12-03 10:03:25 C 06 10 35.94 +30 06 03.2 r 703
2008-12-03 10:10:16 C 06 10 35.50 +30 06 04.2 r 703
2008-12-03 10:17:24 C 06 10 35.00 +30 06 06.0 r 703
2008-12-03 10:24:17 C 06 10 34.53 +30 06 07.7 r 703
2008-12-03 10:31:03 C 06 10 34.03 +30 06 08.8 r 703
2008-12-06 07:28:14 C 06 05 52.61 +30 19 46.9 18.2 c 704
2008-12-06 07:46:29 C 06 05 51.30 +30 19 50.3 18.4 c 704
2008-12-06 08:04:36 C 06 05 49.99 +30 19 52.9 18.4 c 704
2008-12-06 08:22:40 C 06 05 48.68 +30 19 56.0 18.1 c 704
2008-12-06 08:41:09 C 06 05 47.37 +30 20 00.4 18.1 c 704
2008-12-07 01:44:11 C 06 04 36.24 +30 23 05.6 r 130
2008-12-07 01:46:23 C 06 04 36.09 +30 23 05.7 r 130
2008-12-07 01:48:33 C 06 04 35.92 +30 23 06.2 r 130
2008-12-07 01:50:44 C 06 04 35.75 +30 23 06.5 r 130
2008-12-07 07:35:56 C 06 04 11.99 +30 24 09.7 18.2 c 704
2008-12-07 07:54:04 C 06 04 10.69 +30 24 12.9 18.3 c 704
2008-12-07 08:30:19 C 06 04 08.08 +30 24 19.9 18.4 c 704
2008-12-08 23:25:40 C 06 01 24.47 +30 30 54.5 c A24
2008-12-08 23:27:05 C 06 01 24.39 +30 30 54.7 c A24
2008-12-08 23:47:28 C 06 01 22.90 +30 30 57.9 c A24
2008-12-09 00:09:16 C 06 01 21.34 +30 31 01.2 c A24
2008-12-09 00:29:38 C 06 01 19.83 +30 31 04.0 c A24