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
2003-01-12 03:04:32 C 08 03 26.47 +30 13 37.9 d 557
2003-01-12 03:20:18 C 08 03 25.51 +30 13 41.3 d 557
2003-01-12 06:38:57 C 08 03 14.14 +30 14 23.0 c 858
2003-01-12 06:50:01 C 08 03 13.45 +30 14 25.1 c 858
2004-03-20 05:37:00 C 12 13 27.87 +07 05 15.5 c 691
2004-03-20 06:19:31 C 12 13 25.93 +07 05 26.4 c 691
2004-03-20 07:01:28 C 12 13 24.03 +07 05 37.1 c 691
2004-03-20 08:04:11 C 12 13 21.09 +07 05 53.0 20.0 c 704
2004-03-20 08:19:29 C 12 13 20.47 +07 05 57.7 20.3 c 704
2004-03-20 08:50:21 C 12 13 19.06 +07 06 05.9 20.3 c 704
2004-03-20 09:05:49 C 12 13 18.32 +07 06 09.7 20.5 c 704
2005-10-07 11:31:31 C 07 25 51.38 +25 10 54.0 r 703
2005-10-07 11:37:02 C 07 25 51.74 +25 10 54.8 r 703
2005-10-07 11:42:33 C 07 25 52.06 +25 10 54.7 r 703
2005-10-07 11:48:07 C 07 25 52.42 +25 10 53.6 r 703
2005-10-26 11:15:03 C 07 45 47.01 +25 47 55.8 r 703
2005-10-26 11:25:07 C 07 45 47.23 +25 47 55.6 r 703
2005-10-26 11:35:09 C 07 45 47.55 +25 47 58.4 r 703
2005-10-26 11:45:16 C 07 45 48.02 +25 47 58.8 r 703
2005-11-01 11:04:47 C 07 49 32.20 +26 06 27.6 19.8 c 704
2005-11-01 11:22:31 C 07 49 32.55 +26 06 30.4 20.3 c 704
2005-11-01 11:40:43 C 07 49 32.96 +26 06 32.2 19.9 c 704
2005-11-28 10:16:47 C 07 48 06.33 +28 22 14.1 r 703
2005-11-28 10:24:38 C 07 48 06.04 +28 22 16.3 r 703
2005-11-28 10:32:26 C 07 48 05.90 +28 22 19.9 r 703
2005-11-28 10:40:10 C 07 48 05.65 +28 22 21.5 r 703
2005-12-05 07:55:07 C 07 42 32.81 +29 07 38.1 19.4 c 704
2005-12-05 08:13:43 C 07 42 31.97 +29 07 42.1 20.0 c 704
2005-12-05 08:32:31 C 07 42 31.10 +29 07 50.4 20.1 c 704
2005-12-05 08:51:02 C 07 42 30.41 +29 07 54.1 19.9 c 704
2005-12-24 06:33:54 C 07 18 15.30 +31 04 56.9 19.1 c 704
2005-12-24 06:52:59 C 07 18 13.98 +31 05 02.7 19.3 c 704
2005-12-24 07:12:20 C 07 18 12.67 +31 05 06.8 19.7 c 704
2005-12-24 07:51:15 C 07 18 10.22 +31 05 13.6 19.6 c 704
2005-12-29 07:43:02 C 07 10 25.21 +31 28 42.1 19.5 c 704
2005-12-29 08:02:12 C 07 10 23.98 +31 28 45.2 19.6 c 704
2005-12-29 08:20:33 C 07 10 22.56 +31 28 49.0 19.7 c 704
2005-12-29 08:39:02 C 07 10 21.44 +31 28 51.8 19.6 c 704
2005-12-29 08:57:14 C 07 10 20.22 +31 28 54.6 19.5 c 704
2006-01-07 06:42:46 C 06 56 29.00 +31 58 31.9 18.8 c 704
2006-01-07 07:23:15 C 06 56 26.34 +31 58 35.4 18.9 c 704
2006-01-07 07:46:43 C 06 56 24.81 +31 58 37.9 18.7 c 704
2006-01-07 08:05:59 C 06 56 23.57 +31 58 39.1 18.9 c 704
2007-03-15 07:17:20 C 11 45 17.06 +10 46 45.4 r G96
2007-03-15 07:27:33 C 11 45 16.59 +10 46 47.3 r G96
2007-03-15 07:37:51 C 11 45 16.12 +10 46 52.1 r G96
2007-03-15 07:48:06 C 11 45 15.66 +10 46 53.1 r G96
2007-03-16 06:22:28 C 11 44 15.79 +10 52 36.5 r G96
2007-03-16 06:35:44 C 11 44 15.18 +10 52 40.8 r G96
2007-03-16 06:48:53 C 11 44 14.56 +10 52 42.9 r G96