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
2021-01-18 02:13:30 C 22 48 16.24 -10 49 10.7 U I41
2021-01-18 02:17:00 C 22 48 16.77 -10 49 07.2 U I41
2021-01-19 02:03:48 C 22 51 45.38 -10 24 46.5 U I41
2021-01-19 02:10:45 C 22 51 46.39 -10 24 39.9 U I41
2021-01-19 02:14:15 C 22 51 46.90 -10 24 36.2 U I41
2021-01-19 02:17:43 C 22 51 47.40 -10 24 32.7 U I41
2021-02-03 02:25:41 C 23 42 35.59 -04 12 15.7 U I41
2021-02-03 02:29:11 C 23 42 36.06 -04 12 12.0 U I41
2021-02-03 02:32:40 C 23 42 36.54 -04 12 08.4 U I41
2021-02-03 02:36:10 C 23 42 37.01 -04 12 04.7 U I41
2021-02-05 02:24:46 C 23 49 07.05 -03 22 56.9 U I41
2021-02-05 02:28:14 C 23 49 07.54 -03 22 53.7 U I41
2021-02-05 02:35:07 C 23 49 08.45 -03 22 46.6 U I41
2021-02-06 02:22:06 C 23 52 21.30 -02 58 24.7 U I41
2021-02-06 02:22:48 C 23 52 21.41 -02 58 23.8 U I41
2021-02-06 02:28:53 C 23 52 22.23 -02 58 17.8 U I41
2021-02-06 02:29:35 C 23 52 22.31 -02 58 17.2 U I41
2021-02-06 02:32:17 C 23 52 22.67 -02 58 14.3 U I41
2021-02-06 02:32:58 C 23 52 22.78 -02 58 13.9 U I41
2021-02-06 02:35:40 C 23 52 23.15 -02 58 11.1 U I41
2021-02-08 02:23:54 C 23 58 48.50 -02 09 25.9 U I41
2021-02-08 02:27:19 C 23 58 48.97 -02 09 22.4 U I41
2021-02-08 02:34:09 C 23 58 49.86 -02 09 15.4 U I41
2021-02-08 02:37:34 C 23 58 50.32 -02 09 11.8 U I41
2021-02-09 02:26:57 C 00 02 01.22 -01 45 01.5 U I41
2021-02-09 02:30:28 C 00 02 01.71 -01 44 57.6 U I41
2021-02-09 02:33:57 C 00 02 02.19 -01 44 54.0 U I41
2021-02-10 02:31:58 C 00 05 13.48 -01 20 39.8 U I41
2021-02-10 02:35:28 C 00 05 13.96 -01 20 36.1 U I41
2021-02-10 02:38:59 C 00 05 14.43 -01 20 32.5 U I41
2021-02-19 02:36:48 C 00 33 26.90 +02 13 08.3 U I41
2021-02-19 02:40:16 C 00 33 27.36 +02 13 11.5 U I41
2021-02-19 02:43:43 C 00 33 27.79 +02 13 15.3 U I41
2021-02-19 02:47:12 C 00 33 28.23 +02 13 18.0 U I41
2021-02-19 02:50:40 C 00 33 28.66 +02 13 21.7 U I41
2021-02-23 02:39:07 C 00 45 42.50 +03 44 49.6 U I41
2021-02-23 02:42:33 C 00 45 42.95 +03 44 52.9 U I41
2021-02-23 02:46:01 C 00 45 43.38 +03 44 56.2 U I41
2021-02-23 02:49:29 C 00 45 43.81 +03 44 59.5 U I41
2021-10-11 14:59:51 C 09 25 39.294 +20 47 26.29 U F51
2021-10-11 15:06:24 C 09 25 39.616 +20 47 25.65 U F51
2021-10-11 15:12:55 C 09 25 39.959 +20 47 24.45 U F51
2021-10-14 14:44:07 C 09 29 19.513 +20 36 30.51 U F51
2021-10-14 14:51:12 C 09 29 19.889 +20 36 29.32 U F51
2021-10-14 14:58:17 C 09 29 20.226 +20 36 28.19 U F51
2022-01-05 09:38:56 C 10 04 16.04 +21 38 15.6 V G96
2022-01-05 09:46:21 C 10 04 15.82 +21 38 17.5 V G96
2022-01-05 09:53:47 C 10 04 15.64 +21 38 19.1 V G96
2022-01-05 10:01:12 C 10 04 15.42 +21 38 21.2 V G96
2022-01-07 19:07:56 C 10 02 41.40 +21 53 07.0 V D29