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
2011-11-23 14:16:36 C 03 36 12.35 +21 48 28.8 r D29
2011-11-23 14:39:40 C 03 36 10.93 +21 48 32.2 r D29
2011-11-23 15:02:42 C 03 36 09.54 +21 48 35.7 r D29
2011-11-30 05:46:01 C 03 27 55.40 +22 08 56.2 r G96
2011-11-30 05:56:00 C 03 27 54.90 +22 08 57.5 r G96
2011-11-30 06:05:55 C 03 27 54.39 +22 08 58.5 r G96
2011-11-30 06:15:52 C 03 27 53.92 +22 08 59.7 r G96
2011-11-30 06:56:38 C 03 27 52.555 +22 09 06.05 L F51
2011-11-30 07:08:52 C 03 27 51.954 +22 09 07.55 L F51
2011-11-30 07:19:23 C 03 27 51.432 +22 09 08.86 L F51
2011-11-30 07:37:30 C 03 27 50.561 +22 09 10.62 L F51
2011-12-04 02:33:32 C 03 23 59.99 +22 19 01.4 o 844
2011-12-04 02:45:44 C 03 23 59.51 +22 19 01.9 o 844
2011-12-04 02:52:53 C 03 23 59.23 +22 19 03.0 o 844
2011-12-19 20:33:06 C 03 15 31.37 +22 53 44.5 r 106
2011-12-19 20:52:17 C 03 15 31.25 +22 53 46.7 r 106
2011-12-19 21:11:21 C 03 15 31.03 +22 53 48.2 r 106
2011-12-19 21:30:23 C 03 15 30.86 +22 53 50.0 r 106
2012-01-11 19:00:12 C 03 22 27.23 +23 55 07.1 c A24
2012-01-11 19:02:16 C 03 22 27.15 +23 55 08.0 c A24
2012-01-11 20:37:20 C 03 22 29.85 +23 55 19.4 c A24
2012-01-11 20:39:26 C 03 22 29.85 +23 55 19.6 c A24
2012-01-26 05:11:24 C 03 35 19.14 +24 43 23.7 r 703
2012-01-26 05:23:47 C 03 35 19.71 +24 43 24.2 r 703
2012-01-26 05:36:04 C 03 35 20.25 +24 43 26.5 r 703
2012-01-26 05:48:27 C 03 35 20.72 +24 43 27.6 r 703
2012-01-27 03:18:03 C 03 36 18.70 +24 46 37.6 19.6 c 704
2012-01-27 03:36:24 C 03 36 19.50 +24 46 40.4 19.5 c 704
2012-01-27 03:54:48 C 03 36 20.27 +24 46 43.2 19.9 c 704
2012-01-27 04:13:11 C 03 36 21.09 +24 46 45.4 19.8 c 704
2012-01-27 04:31:42 C 03 36 21.87 +24 46 48.4 20.0 c 704
2012-02-05 07:10:01 C 03 47 02.870 +25 19 16.45 L F51
2012-02-05 07:24:53 C 03 47 03.622 +25 19 18.55 L F51
2012-02-12 03:52:24 C 03 56 01.17 +25 43 39.2 r 703
2012-02-12 04:03:50 C 03 56 01.75 +25 43 40.6 r 703
2012-02-12 04:15:17 C 03 56 02.32 +25 43 42.5 r 703
2012-02-12 04:26:37 C 03 56 02.97 +25 43 42.7 r 703
2013-03-03 11:27:56 C 10 52 03.210 +17 14 18.42 L F51
2013-03-03 11:44:35 C 10 52 02.457 +17 14 22.63 L F51
2013-03-03 12:20:58 C 10 52 00.781 +17 14 31.12 L F51
2014-04-02 08:23:07 C 17 30 21.10 -23 41 26.4 u 807
2014-04-02 08:31:06 C 17 30 21.54 -23 41 28.1 u 807
2014-04-02 08:39:08 C 17 30 21.99 -23 41 29.6 u 807
2014-07-01 00:49:49 C 17 56 03.65 -39 29 13.4 r Y00
2014-07-01 01:06:17 C 17 56 02.74 -39 29 25.1 r Y00
2014-07-01 01:22:49 C 17 56 01.82 -39 29 36.8 r Y00
2014-07-04 06:05:44 C 17 52 17.23 -40 21 02.6 r Y00
2014-07-04 06:20:59 C 17 52 16.55 -40 21 12.9 r Y00
2014-07-04 06:35:01 C 17 52 15.93 -40 21 21.4 r Y00
2014-07-08 23:36:19 C 17 46 57.66 -41 33 28.3 q X14