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
2022-01-07 19:46:07 C 10 02 40.26 +21 53 18.5 V D29
2022-01-07 20:24:18 C 10 02 39.14 +21 53 27.9 V D29
2022-01-16 03:42:00 C 09 55 59.28 +22 47 55.9 X C95
2022-01-16 05:09:06 C 09 55 55.91 +22 48 19.7 X C95
2022-01-27 09:07:43 C 09 44 31.19 +24 03 04.8 V G96
2022-01-27 09:15:51 C 09 44 30.89 +24 03 08.5 V G96
2022-01-27 09:23:58 C 09 44 30.45 +24 03 09.6 V G96
2022-01-27 09:32:04 C 09 44 30.05 +24 03 11.8 V G96
2022-01-29 09:09:25 C 09 42 15.455 +24 15 58.32 U F52
2022-01-29 09:23:59 C 09 42 14.744 +24 16 02.09 U F52
2022-01-29 09:38:34 C 09 42 14.033 +24 16 06.07 U F52
2022-01-29 09:53:04 C 09 42 13.321 +24 16 10.13 U F52
2022-01-30 17:31:50 C 09 40 41.97 +24 24 28.3 V D29
2022-01-30 18:02:22 C 09 40 40.47 +24 24 35.9 V D29
2022-02-03 08:02:33 C 09 36 28.206 +24 46 21.71 U F52
2022-02-03 08:20:48 C 09 36 27.286 +24 46 26.29 U F52
2022-02-03 08:39:03 C 09 36 26.362 +24 46 30.78 U F52
2022-02-03 08:57:23 C 09 36 25.437 +24 46 35.39 U F52
2022-02-04 07:09:09 C 09 35 19.31 +24 51 57.9 V G96
2022-02-04 07:17:20 C 09 35 18.95 +24 51 59.9 V G96
2022-02-04 07:25:31 C 09 35 18.48 +24 52 01.8 V G96
2022-02-04 07:33:44 C 09 35 18.06 +24 52 03.8 V G96
2022-02-09 08:04:04 C 09 29 17.627 +25 19 24.71 U F52
2022-02-09 08:21:29 C 09 29 16.738 +25 19 28.49 U F52
2022-02-09 08:38:55 C 09 29 15.851 +25 19 32.29 U F52
2022-02-09 08:56:09 C 09 29 14.970 +25 19 35.98 U F52
2022-02-22 07:59:46 C 09 14 20.860 +26 12 07.89 U F52
2022-02-22 08:28:59 C 09 14 19.509 +26 12 11.37 U F52
2022-02-22 08:43:38 C 09 14 18.843 +26 12 13.20 U F52
2022-02-27 07:04:10 C 09 09 15.035 +26 24 35.65 U F52
2022-02-27 07:22:30 C 09 09 14.269 +26 24 37.39 U F52
2022-02-27 07:59:03 C 09 09 12.747 +26 24 40.63 U F52
2022-03-28 04:30:15 C 08 51 35.95 +26 19 42.3 V V00
2022-03-28 04:39:41 C 08 51 35.84 +26 19 41.7 V V00
2022-03-28 04:49:04 C 08 51 35.73 +26 19 40.8 V V00
2022-03-28 04:58:28 C 08 51 35.64 +26 19 40.1 V V00
2023-01-26 11:56:55 C 13 55 38.442 -06 28 59.27 V G96
2023-01-26 12:04:23 C 13 55 38.636 -06 28 58.58 V G96
2023-01-26 12:11:51 C 13 55 38.777 -06 28 59.70 V G96
2023-01-26 12:19:19 C 13 55 38.968 -06 29 00.64 V G96
2023-03-14 11:04:21 C 13 58 51.748 -06 11 18.64 V G96
2023-03-14 11:11:44 C 13 58 51.568 -06 11 17.74 V G96
2023-03-14 11:22:27 C 13 58 51.283 -06 11 16.15 V G96
2023-03-14 11:29:49 C 13 58 51.085 -06 11 15.32 V G96
2023-03-25 10:29:06 C 13 50 59.616 -05 27 38.56 U F52
2023-03-25 10:44:35 C 13 50 59.039 -05 27 35.73 U F52
2023-03-25 11:00:07 C 13 50 58.468 -05 27 32.78 U F52
2023-03-25 11:15:39 C 13 50 57.874 -05 27 29.79 U F52
2023-03-27 19:06:14 C 13 48 52.44 -05 16 41.8 V D29
2023-03-27 19:07:30 C 13 48 52.40 -05 16 41.2 V D29