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
2014-12-24 01:44:27 C 00 53 54.22 +06 09 31.5 R G45
2014-12-24 01:45:42 C 00 53 54.37 +06 09 32.6 R G45
2014-12-24 01:51:41 C 00 53 54.91 +06 09 37.9 R G45
2014-12-24 02:00:16 C 00 53 55.67 +06 09 45.2 R G45
2014-12-27 01:26:54 C 01 00 31.83 +07 08 26.3 R G45
2014-12-27 01:32:51 C 01 00 32.42 +07 08 31.2 R G45
2014-12-27 01:38:50 C 01 00 32.89 +07 08 35.3 R G45
2014-12-27 01:39:54 C 01 00 32.96 +07 08 36.9 R G45
2014-12-27 01:54:39 C 01 00 34.31 +07 08 49.1 R G45
2014-12-27 02:00:36 C 01 00 34.92 +07 08 53.1 R G45
2015-01-04 18:43:07 C 01 19 38.42 +09 48 51.6 18.8 u J43
2015-01-04 19:01:40 C 01 19 40.10 +09 49 05.2 18.6 u J43
2015-01-04 19:20:15 C 01 19 41.72 +09 49 18.3 18.9 u J43
2015-01-04 19:38:47 C 01 19 43.39 +09 49 31.9 19.1 u J43
2015-01-11 02:50:35 C 01 33 21.32 +11 35 35.8 q 703
2015-01-11 02:56:21 C 01 33 21.87 +11 35 40.1 q 703
2015-01-11 03:02:07 C 01 33 22.41 +11 35 44.1 q 703
2015-01-11 03:07:52 C 01 33 22.85 +11 35 47.5 q 703
2015-01-17 02:45:26 C 01 46 14.51 +13 09 40.1 R G45
2015-01-17 02:51:26 C 01 46 15.11 +13 09 43.7 R G45
2015-01-17 02:57:31 C 01 46 15.59 +13 09 48.1 R G45
2015-01-17 03:22:45 C 01 46 17.70 +13 10 03.1 R G45
2015-01-17 03:28:43 C 01 46 18.33 +13 10 07.6 R G45
2015-01-17 03:34:38 C 01 46 18.86 +13 10 11.0 R G45
2015-01-18 02:23:40 C 01 48 21.23 +13 24 31.9 q 703
2015-01-18 02:29:27 C 01 48 21.80 +13 24 35.3 q 703
2015-01-18 02:35:13 C 01 48 22.32 +13 24 40.6 q 703
2015-01-18 02:41:25 C 01 48 22.78 +13 24 42.7 R G45
2015-01-18 02:47:24 C 01 48 23.39 +13 24 45.1 R G45
2015-01-18 02:53:15 C 01 48 23.83 +13 24 50.1 R G45
2015-01-18 03:10:46 C 01 48 25.40 +13 25 00.0 R G45
2015-01-18 03:20:45 C 01 48 26.24 +13 25 06.7 R G45
2015-01-18 03:27:27 C 01 48 26.86 +13 25 11.2 R G45
2015-01-18 03:33:28 C 01 48 27.41 +13 25 14.8 R G45
2015-01-19 02:38:23 C 01 50 31.01 +13 39 35.2 R G45
2015-01-19 02:44:36 C 01 50 31.62 +13 39 38.6 R G45
2015-01-19 03:11:00 C 01 50 33.97 +13 39 54.6 R G45
2015-01-19 03:19:03 C 01 50 34.64 +13 39 59.5 R G45
2015-01-19 03:24:58 C 01 50 35.18 +13 40 03.3 R G45
2015-01-19 03:30:59 C 01 50 35.66 +13 40 06.9 R G45
2015-01-20 02:36:22 C 01 52 39.34 +13 54 17.8 R G45
2015-01-20 02:48:14 C 01 52 40.39 +13 54 25.1 R G45
2015-01-20 02:56:00 C 01 52 41.04 +13 54 29.3 R G45
2015-01-20 03:02:04 C 01 52 41.61 +13 54 33.2 R G45
2015-01-20 03:16:02 C 01 52 42.83 +13 54 42.1 R G45
2015-01-20 03:21:55 C 01 52 43.33 +13 54 45.5 R G45
2015-01-20 03:27:52 C 01 52 43.85 +13 54 49.1 R G45
2015-01-24 02:23:42 C 02 01 11.40 +14 51 28.9 R G45
2015-01-24 02:29:40 C 02 01 11.90 +14 51 32.4 R G45
2015-01-24 02:35:32 C 02 01 12.47 +14 51 36.2 R G45