136897 (1998 HJ41)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1247062323 ± 2.28e-08
Semi-major axis (a)1.3633753262 AU ± 8.01e-10
Inclination (i)38.87676715° ± 5.86e-06
Long. of Asc. Node (Ω)211.84992184° ± 1.95e-06
Arg. of Perihelion (ω)120.10387927° ± 1.56e-05
Mean Anomaly (M)22.34131137° ± 1.53e-05
Mean Motion (n)0.6191403824°/day ± 5.45e-10
Perihelion dist (q)1.19335393 AU ± 3.11e-08
Aphelion dist (Q)1.53339673 AU ± 3.12e-08
Orbital Period1.59192699 yr ± 1.40e-09
Physical Parameters
H (abs. magnitude)18.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.357″
Uncertainty0
Orbit TypeAmor
MOID0.262340 AU
Observations Used734
Oppositions10
Arc Total1998-2025
First Observation Used1998-04-28
Last Observation Used2025-11-29
Observations (751)
Date Type RA Dec Mag Band Observatory
1998-04-28 08:16:36 C 16 07 11.81 +09 20 06.6 18.6 a 704
1998-04-28 08:43:57 C 16 07 10.37 +09 21 46.3 18.5 a 704
1998-04-28 09:11:06 C 16 07 09.14 +09 23 24.9 18.3 a 704
1998-04-28 09:38:07 C 16 07 07.87 +09 25 04.2 18.7 a 704
1998-04-28 10:05:11 C 16 07 06.58 +09 26 41.7 19.1 a 704
1998-04-30 19:57:30 C 16 04 31.02 +12 55 43.4 046
1998-04-30 19:59:21 C 16 04 30.98 +12 55 51.3 046
1998-04-30 20:01:53 C 16 04 30.89 +12 55 59.2 046
1998-04-30 20:53:13 C 16 04 28.26 +12 59 05.7 557
1998-04-30 20:55:03 C 16 04 28.19 +12 59 11.3 557
1998-04-30 20:56:55 C 16 04 28.06 +12 59 18.2 557
1998-05-01 02:11:12 C 16 04 11.87 +13 18 07.8 046
1998-05-01 02:13:05 C 16 04 11.79 +13 18 14.7 046
1998-05-01 20:43:21 C 16 03 18.38 +14 24 26.4 557
1998-05-01 20:45:48 C 16 03 18.26 +14 24 34.4 557
1998-05-01 20:48:15 C 16 03 18.09 +14 24 43.2 557
1998-05-01 20:50:28 C 16 03 18.05 +14 24 51.6 557
1998-05-01 21:51:02 C 16 03 14.80 +14 28 29.1 046
1998-05-01 21:52:39 C 16 03 14.73 +14 28 34.6 046
1998-05-01 21:54:19 C 16 03 14.67 +14 28 39.8 046
1998-05-01 21:55:54 C 16 03 14.57 +14 28 45.8 046
1998-05-03 17:32:29 C 16 00 58.12 +17 02 53.8 360
1998-05-03 17:36:44 C 16 00 57.90 +17 03 08.2 360
1998-05-03 17:40:44 C 16 00 57.64 +17 03 22.4 360
1998-05-04 16:36:14 C 15 59 42.97 +18 22 59.5 z 402
1998-05-04 16:39:13 C 15 59 42.78 +18 23 09.9 z 402
1998-05-04 16:42:14 C 15 59 42.62 +18 23 21.5 z 402
1998-05-07 23:17:42 C 15 55 09.03 +22 46 54.3 046
1998-05-07 23:23:42 C 15 55 08.65 +22 47 13.6 046
1998-05-07 23:32:42 C 15 55 08.07 +22 47 43.2 046
1998-05-07 23:40:43 C 15 55 07.69 +22 48 11.5 z 104
1998-05-07 23:44:59 C 15 55 07.35 +22 48 23.8 z 104
1998-05-07 23:47:30 C 15 55 07.19 +22 48 33.1 z 104
1998-05-07 23:49:18 C 15 55 07.05 +22 48 38.5 z 104
1998-05-07 23:51:59 C 15 55 06.85 +22 48 47.1 z 104
1998-05-08 00:01:35 C 15 55 06.26 +22 49 17.6 z 104
1998-05-08 00:06:00 C 15 55 06.00 +22 49 33.8 z 104
1998-05-11 22:49:26 C 15 49 06.22 +27 42 49.0 118
1998-05-11 22:52:14 C 15 49 06.09 +27 42 57.3 118
1998-05-16 01:09:32 C 15 42 28.61 +32 13 44.9 046
1998-05-16 01:12:39 C 15 42 28.29 +32 13 54.7 046
1998-05-16 01:14:23 C 15 42 28.19 +32 13 58.1 046
1998-05-16 01:16:02 C 15 42 28.15 +32 14 01.8 046
1998-05-16 01:17:45 C 15 42 27.99 +32 14 07.5 046
1998-05-20 23:01:55 C 15 34 18.69 +36 50 12.2 118
1998-05-20 23:19:00 C 15 34 17.42 +36 50 48.6 118
1998-05-21 15:26:45 C 15 33 10.27 +37 24 36.0 360
1998-05-21 15:39:29 C 15 33 09.35 +37 25 01.9 360
1998-05-21 15:45:14 C 15 33 08.89 +37 25 13.7 360
1998-05-22 23:30:59 C 15 30 57.45 +38 28 42.8 z 587