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
2006-09-19 04:45:36 C 18 09 33.87 +51 59 38.7 c H45
2006-10-09 18:52:14 C 19 36 05.94 +37 46 58.7 o 198
2006-10-09 18:53:15 C 19 36 06.11 +37 46 56.1 o 198
2006-10-09 18:54:18 C 19 36 06.33 +37 46 53.5 o 198
2006-10-25 19:18:37 C 20 49 06.94 +20 41 58.5 r 113
2006-10-25 19:20:51 C 20 49 07.31 +20 41 52.7 r 113
2006-10-25 19:23:03 C 20 49 07.67 +20 41 46.8 r 113
2006-10-26 18:04:01 C 20 53 21.93 +19 36 41.1 o 198
2006-10-26 18:05:45 C 20 53 22.24 +19 36 36.2 o 198
2006-10-26 18:07:02 C 20 53 22.47 +19 36 32.5 o 198
2006-10-26 18:07:28 C 20 53 22.55 +19 36 31.4 o 198
2006-10-26 18:18:42 C 20 53 24.57 +19 35 59.3 o 198
2006-11-16 01:57:08 C 22 17 54.99 -01 02 03.8 r 703
2006-11-16 02:09:48 C 22 17 56.86 -01 02 28.0 r 703
2006-11-16 02:22:30 C 22 17 58.95 -01 02 53.7 r 703
2006-11-16 02:35:12 C 22 18 00.82 -01 03 20.3 r 703
2011-11-06 07:01:40 C 07 13 33.86 -26 06 57.9 o 807
2011-11-06 07:08:24 C 07 13 33.99 -26 07 12.5 o 807
2011-11-06 07:15:01 C 07 13 34.12 -26 07 26.6 o 807
2011-11-06 07:21:38 C 07 13 34.24 -26 07 41.0 o 807
2014-03-28 09:46:25 C 17 53 19.33 -09 03 12.7 u 807
2014-03-28 09:54:18 C 17 53 20.00 -09 02 56.9 u 807
2014-03-28 09:59:26 C 17 53 20.45 -09 02 47.2 u 807
2014-04-16 07:54:34 C 18 31 20.71 +07 59 42.7 u 807
2014-04-16 08:02:36 C 18 31 21.31 +08 00 03.4 u 807
2014-04-16 08:10:39 C 18 31 21.95 +08 00 24.2 u 807
2014-07-09 09:20:28 C 19 28 09.313 +72 46 00.16 L F51
2014-07-09 09:58:55 C 19 28 07.583 +72 46 26.69 L F51
2014-07-09 10:18:08 C 19 28 06.777 +72 46 39.79 L F51
2014-09-08 03:13:53 C 19 41 48.74 +73 50 57.4 q H21
2014-09-08 03:22:24 C 19 41 49.87 +73 50 51.5 q H21
2014-09-08 03:30:55 C 19 41 50.84 +73 50 45.3 q H21
2014-09-11 05:54:35 C 19 51 43.532 +72 53 59.32 L F51
2014-09-11 06:16:26 C 19 51 46.251 +72 53 41.30 L F51
2014-09-11 06:37:41 C 19 51 48.849 +72 53 23.77 L F51
2014-09-11 06:59:17 C 19 51 51.556 +72 53 05.76 L F51
2014-09-23 20:32:52 C 20 38 53.25 +66 44 04.6 c A24
2014-09-23 20:34:55 C 20 38 53.44 +66 44 00.7 c A24
2014-09-23 20:53:13 C 20 38 56.45 +66 43 29.6 c A24
2014-09-23 20:59:49 C 20 38 57.33 +66 43 16.6 c A24
2014-09-23 21:25:13 C 20 39 01.32 +66 42 33.9 c A24
2014-09-23 21:31:50 C 20 39 02.42 +66 42 22.5 c A24
2014-09-23 21:50:06 C 20 39 05.22 +66 41 51.8 c A24
2014-09-23 21:52:11 C 20 39 05.72 +66 41 47.7 c A24
2014-09-25 20:22:29 C 20 46 58.47 +65 18 18.8 c A24
2014-09-25 20:24:33 C 20 46 58.71 +65 18 14.7 c A24
2014-10-06 02:25:10 C 21 28 46.38 +55 09 22.4 u H21
2014-10-06 02:29:37 C 21 28 47.02 +55 09 08.1 u H21
2014-10-17 21:09:12 C 22 13 31.33 +36 41 16.0 q 203
2014-10-17 21:37:57 C 22 13 35.39 +36 39 03.1 q 203