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
2025-05-05 20:30:43 C 13 14 15.878 +04 08 43.30 V M22
2025-05-05 20:33:59 C 13 14 15.706 +04 08 52.04 V M22
2025-05-05 20:41:13 C 13 14 15.401 +04 09 14.44 V M22
2025-05-06 16:40:11 C 13 13 27.757 +05 08 34.13 W O18
2025-05-06 18:03:20 C 13 13 24.192 +05 12 40.22 W O18
2025-05-17 06:31:25 C 13 06 38.272 +15 50 31.67 V G96
2025-05-17 06:39:33 C 13 06 38.120 +15 50 48.59 V G96
2025-05-17 06:47:42 C 13 06 37.966 +15 51 05.69 V G96
2025-05-17 06:55:49 C 13 06 37.818 +15 51 22.64 V G96
2025-05-19 08:29:21 C 13 06 00.252 +17 31 04.80 V T05
2025-05-19 08:34:35 C 13 06 00.130 +17 31 15.06 V T05
2025-05-19 08:42:18 C 13 05 59.990 +17 31 29.46 V T05
2025-05-19 08:56:53 C 13 05 59.808 +17 31 56.60 V T05
2025-05-19 09:46:09 C 13 05 59.084 +17 33 32.14 X F51
2025-05-19 10:03:03 C 13 05 58.843 +17 34 04.46 X F51
2025-05-19 10:03:59 C 13 05 58.826 +17 34 06.29 X F51
2025-05-19 10:20:47 C 13 05 58.590 +17 34 38.36 X F51
2025-05-19 10:21:43 C 13 05 58.579 +17 34 40.12 X F51
2025-05-19 10:38:29 C 13 05 58.349 +17 35 12.13 X F51
2025-05-19 10:39:24 C 13 05 58.333 +17 35 14.00 X F51
2025-05-20 09:27:20 C 13 05 46.030 +18 18 17.24 V T08
2025-05-20 09:32:04 C 13 05 45.886 +18 18 24.41 V T08
2025-05-20 09:40:05 C 13 05 45.739 +18 18 38.52 V T08
2025-05-20 10:04:20 C 13 05 45.475 +18 19 23.92 V T08
2025-05-21 22:38:32 C 13 05 31.694 +19 24 54.22 V R17
2025-05-21 22:59:05 C 13 05 31.548 +19 25 29.75 V R17
2025-05-21 23:19:36 C 13 05 31.327 +19 26 05.71 V R17
2025-05-21 23:40:08 C 13 05 31.097 +19 26 40.52 V R17
2025-05-24 22:35:35 C 13 05 24.161 +21 22 14.41 V R17
2025-05-24 22:56:05 C 13 05 24.062 +21 22 45.37 V R17
2025-05-24 23:16:37 C 13 05 23.983 +21 23 17.05 V R17
2025-05-24 23:37:09 C 13 05 23.942 +21 23 47.80 V R17
2025-06-28 04:18:13 C 13 30 21.208 +31 40 31.26 V G96
2025-06-28 04:26:23 C 13 30 21.632 +31 40 32.92 V G96
2025-06-28 04:34:35 C 13 30 22.086 +31 40 34.61 V G96
2025-06-28 04:42:46 C 13 30 22.460 +31 40 36.80 V G96
2025-09-06 07:03:20 C 15 52 22.489 +27 34 37.12 X F52
2025-09-06 07:16:13 C 15 52 23.971 +27 34 31.30 X F52
2025-09-06 07:29:03 C 15 52 25.425 +27 34 25.39 X F52
2025-09-06 07:41:58 C 15 52 26.893 +27 34 19.53 X F52
2025-09-30 05:38:48 C 17 06 06.148 +22 14 21.51 X F52
2025-09-30 05:57:07 C 17 06 08.691 +22 14 09.07 X F52
2025-09-30 06:15:38 C 17 06 11.295 +22 13 56.10 X F52
2025-09-30 06:34:09 C 17 06 13.923 +22 13 43.56 X F52
2025-10-09 05:45:04 C 17 37 48.659 +19 37 44.78 X F51
2025-10-09 06:01:02 C 17 37 51.062 +19 37 32.19 X F51
2025-10-09 06:33:02 C 17 37 55.856 +19 37 07.12 X F51
2025-11-29 05:05:14 C 21 03 54.105 +01 41 36.30 X F52
2025-11-29 05:18:25 C 21 03 56.315 +01 41 26.18 X F52
2025-11-29 05:31:48 C 21 03 58.594 +01 41 15.73 X F52