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
1986-11-02 06:26:59 01 53 30.44 +05 12 07.0 c 261
1986-11-02 07:27:00 01 53 28.55 +05 12 50.1 c 261
1986-11-04 19:59:15 A 01 52 00.09 +05 54 58.2 095
1992-05-30 11:05:53 14 11 03.10 -13 18 19.7 c 260
1992-05-30 12:05:54 14 11 00.13 -13 18 17.0 c 260
1997-01-14 13:12:35 C 09 38 55.19 +24 14 24.0 o 566
1997-01-14 13:24:57 C 09 38 54.66 +24 14 28.2 o 566
1998-05-01 04:30:38 c 12 47 34.08 +00 28 03.6 i 691
1998-05-01 05:01:28 c 12 47 32.73 +00 28 07.7 i 691
1998-05-01 05:31:46 c 12 47 31.47 +00 28 11.4 i 691
1998-05-02 06:38:24 c 12 46 29.28 +00 31 26.4 i 691
1998-05-02 06:47:01 c 12 46 28.94 +00 31 27.3 i 691
1998-05-02 06:55:04 c 12 46 28.60 +00 31 28.4 i 691
1998-05-03 03:40:22 c 12 45 38.64 +00 34 00.9 i 691
1998-05-03 04:11:02 c 12 45 37.34 +00 34 04.3 i 691
1998-05-03 04:41:18 c 12 45 36.07 +00 34 06.8 i 691
1998-05-04 08:44:05 C 12 44 29.42 +00 37 21.2 a 696
1998-05-04 08:51:14 C 12 44 29.12 +00 37 22.2 a 696
1998-05-04 08:54:48 C 12 44 29.00 +00 37 22.2 a 696
1998-05-17 05:41:14 c 12 34 34.27 +00 56 08.1 i 691
1998-05-17 05:49:03 c 12 34 34.10 +00 56 08.2 i 691
1998-05-17 06:02:22 c 12 34 33.72 +00 56 08.6 i 691
1998-05-19 03:45:23 c 12 33 28.91 +00 56 14.8 i 691
1998-05-19 04:15:23 c 12 33 28.22 +00 56 14.7 i 691
1998-05-19 04:45:15 c 12 33 27.50 +00 56 14.1 i 691
2001-03-26 11:54:33 C 12 45 01.58 +02 53 12.9 o 608
2001-03-26 12:10:03 C 12 45 00.78 +02 53 17.2 o 608
2001-03-26 12:24:39 C 12 45 00.09 +02 53 20.3 o 608
2001-04-16 04:12:51 C 12 22 17.441 +04 44 01.75 e 645
2001-04-16 04:17:51 C 12 22 17.223 +04 44 02.63 21.45 e 645
2001-04-19 09:04:31 C 12 19 03.03 +04 56 36.1 o 608
2001-04-27 08:14:25 C 12 11 47.25 +05 20 22.8 o 608
2002-11-21 11:09:34 C 08 43 52.23 +25 14 33.8 o 644
2003-01-10 07:14:19 C 08 06 02.64 +30 04 29.2 19.3 c 704
2003-01-10 07:37:34 C 08 06 01.23 +30 04 34.7 19.7 c 704
2003-01-10 08:00:38 C 08 05 59.80 +30 04 40.4 19.4 c 704
2003-01-10 08:23:34 C 08 05 58.38 +30 04 44.7 19.5 c 704
2003-01-10 08:46:40 C 08 05 57.07 +30 04 50.8 19.6 c 704
2003-01-11 06:50:57 C 08 04 38.78 +30 09 29.1 c 858
2003-01-11 07:01:49 C 08 04 38.19 +30 09 32.4 c 858
2003-01-11 07:07:19 C 08 04 37.88 +30 09 33.2 20.0 c 704
2003-01-11 07:12:39 C 08 04 37.57 +30 09 35.1 c 858
2003-01-11 07:30:44 C 08 04 36.38 +30 09 37.6 20.2 c 704
2003-01-11 07:51:23 C 08 04 35.22 +30 09 42.5 19.9 c 704
2003-01-11 08:11:58 C 08 04 33.97 +30 09 46.1 19.7 c 704
2003-01-12 00:34:27 C 08 03 35.59 +30 13 07.7 c 246
2003-01-12 00:35:53 C 08 03 35.51 +30 13 07.6 c 246
2003-01-12 00:38:53 C 08 03 35.37 +30 13 07.5 c 246
2003-01-12 00:40:25 C 08 03 35.22 +30 13 09.0 c 246
2003-01-12 02:46:05 C 08 03 27.65 +30 13 34.1 d 557