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
2024-11-14 11:41:22 C 09 32 06.025 +21 39 35.60 V G96
2024-11-29 12:08:06 C 09 38 25.224 +22 00 54.00 V V00
2024-11-29 12:18:41 C 09 38 25.271 +22 00 55.37 V V00
2024-11-29 12:26:46 C 09 38 25.379 +22 00 56.27 V V00
2024-11-29 12:34:50 C 09 38 25.429 +22 00 56.95 V V00
2024-11-30 12:06:01 C 09 38 37.660 +22 03 29.22 X F51
2024-11-30 12:24:04 C 09 38 37.800 +22 03 31.22 X F51
2024-11-30 12:42:08 C 09 38 37.934 +22 03 33.28 X F51
2024-11-30 13:00:26 C 09 38 38.051 +22 03 35.48 X F51
2024-12-29 11:33:09 C 09 31 12.412 +24 19 40.43 X F52
2024-12-29 11:49:39 C 09 31 11.900 +24 19 44.88 X F52
2024-12-29 12:06:20 C 09 31 11.376 +24 19 49.41 X F52
2024-12-29 12:23:15 C 09 31 10.854 +24 19 53.81 X F52
2024-12-30 11:16:34 C 09 30 28.912 +24 26 00.56 V G96
2024-12-30 11:24:01 C 09 30 28.670 +24 26 02.47 V G96
2024-12-30 11:31:27 C 09 30 28.408 +24 26 04.67 V G96
2024-12-30 11:38:52 C 09 30 28.166 +24 26 06.47 V G96
2025-01-01 17:11:28 C 09 28 44.09 +24 40 41.0 V D29
2025-01-01 17:31:50 C 09 28 43.35 +24 40 46.4 V D29
2025-01-01 17:52:12 C 09 28 42.64 +24 40 52.0 V D29
2025-01-05 10:36:47 C 09 25 30.582 +25 05 32.76 X F51
2025-01-05 11:14:02 C 09 25 29.121 +25 05 44.24 X F51
2025-01-05 11:32:43 C 09 25 28.380 +25 05 49.46 X F51
2025-01-07 20:37:54 C 09 23 12.52 +25 21 53.2 V D29
2025-01-07 20:46:48 C 09 23 12.17 +25 21 55.1 V D29
2025-01-07 20:58:16 C 09 23 11.65 +25 21 58.4 V D29
2025-01-07 21:07:10 C 09 23 11.29 +25 22 00.6 V D29
2025-01-07 21:18:38 C 09 23 10.80 +25 22 04.1 V D29
2025-01-10 17:53:18 C 09 20 16.906 +25 41 23.75 O18
2025-01-10 17:54:35 C 09 20 16.838 +25 41 24.09 O18
2025-01-19 14:12:28 C 09 10 12.539 +26 39 27.72 X F52
2025-01-19 14:28:16 C 09 10 11.737 +26 39 31.67 X F52
2025-01-19 14:44:02 C 09 10 10.943 +26 39 35.63 X F52
2025-01-19 14:59:52 C 09 10 10.097 +26 39 39.68 X F52
2025-01-20 18:38:50 C 09 08 45.91 +26 46 48.7 V D29
2025-01-20 18:59:11 C 09 08 44.83 +26 46 53.8 V D29
2025-01-20 19:19:33 C 09 08 43.79 +26 46 59.1 V D29
2025-01-22 07:57:42 C 09 06 50.771 +26 56 16.48 V G96
2025-01-22 08:05:13 C 09 06 50.422 +26 56 18.38 V G96
2025-01-22 08:12:42 C 09 06 50.000 +26 56 20.47 V G96
2025-01-22 08:20:12 C 09 06 49.597 +26 56 21.34 V G96
2025-01-24 08:57:38 C 09 04 17.395 +27 08 18.02 X F51
2025-01-24 09:15:36 C 09 04 16.433 +27 08 22.40 X F51
2025-01-24 09:33:13 C 09 04 15.484 +27 08 26.70 X F51
2025-01-24 09:51:53 C 09 04 14.476 +27 08 31.27 X F51
2025-02-02 06:48:31 C 08 52 55.916 +27 54 05.76 V G96
2025-02-02 06:56:36 C 08 52 55.513 +27 54 06.88 V G96
2025-02-02 07:04:41 C 08 52 55.074 +27 54 08.24 V G96
2025-02-02 07:12:45 C 08 52 54.631 +27 54 09.83 V G96
2025-02-17 06:15:23 C 08 35 17.632 +28 40 45.91 V G96