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
2001-04-05 11:16:52 C 09 24 29.22 -36 03 51.6 413
2001-04-05 11:19:07 C 09 24 29.25 -36 03 47.3 413
2001-04-05 11:22:59 C 09 24 29.42 -36 03 38.7 413
2001-04-06 11:10:14 C 09 25 09.04 -35 13 53.3 413
2001-04-06 11:13:12 C 09 25 09.21 -35 13 46.8 413
2001-04-06 11:16:09 C 09 25 09.24 -35 13 41.3 413
2003-11-09 06:17:02 C 06 18 43.96 -28 06 23.9 r 859
2003-11-09 06:18:07 C 06 18 43.93 -28 06 26.5 r 859
2006-03-25 11:16:12 C 17 02 31.15 -18 43 11.2 r 448
2006-03-25 11:57:43 C 17 02 33.94 -18 42 00.4 r 448
2006-04-30 00:55:27 C 17 40 30.13 +18 58 45.4 o 198
2006-04-30 01:00:49 C 17 40 30.17 +18 59 02.9 o 198
2006-04-30 01:05:38 C 17 40 30.21 +18 59 18.6 o 198
2006-05-11 22:47:27 C 17 40 15.89 +34 02 13.9 r A13
2006-05-11 23:08:00 C 17 40 15.48 +34 03 14.2 r A13
2006-05-11 23:28:52 C 17 40 15.12 +34 04 16.1 r A13
2006-05-14 22:12:46 C 17 38 59.58 +37 26 21.9 r A13
2006-05-14 22:16:32 C 17 38 59.51 +37 26 33.2 r A13
2006-05-14 22:27:31 C 17 38 59.19 +37 27 03.1 r A13
2006-05-14 22:32:24 C 17 38 59.13 +37 27 17.0 r A13
2006-05-18 22:00:27 C 17 36 30.52 +41 40 42.0 o A13
2006-05-18 22:23:00 C 17 36 29.69 +41 41 39.4 o A13
2006-05-18 22:27:51 C 17 36 29.57 +41 41 51.9 o A13
2006-06-04 06:04:11 C 17 17 42.64 +54 42 04.4 c H45
2006-06-04 06:08:27 C 17 17 42.36 +54 42 09.6 c H45
2006-06-04 06:10:02 C 17 17 42.26 +54 42 12.7 c H45
2006-06-04 06:13:05 C 17 17 42.10 +54 42 16.8 c H45
2006-06-06 07:17:17 C 17 14 34.24 +55 51 28.0 20.0 c H55
2006-06-06 07:29:29 C 17 14 33.39 +55 51 44.3 20.0 c H55
2006-06-06 07:34:52 C 17 14 33.13 +55 51 49.9 20.1 c H55
2006-06-26 07:17:55 C 16 42 05.44 +62 47 27.9 r H45
2006-06-26 07:21:12 C 16 42 05.18 +62 47 28.7 r H45
2006-06-26 07:24:35 C 16 42 04.90 +62 47 30.4 r H45
2006-06-26 07:27:09 C 16 42 04.79 +62 47 32.2 r H45
2006-06-26 07:28:58 C 16 42 04.70 +62 47 32.9 r H45
2006-06-27 07:00:44 C 16 40 38.12 +62 58 01.3 r H45
2006-06-27 07:04:54 C 16 40 37.80 +62 58 02.5 r H45
2006-06-27 07:07:45 C 16 40 37.63 +62 58 03.9 r H45
2006-06-27 07:10:07 C 16 40 37.38 +62 58 05.5 r H45
2006-06-27 07:12:00 C 16 40 37.32 +62 58 06.5 r H45
2006-06-29 07:38:33 C 16 37 45.57 +63 17 20.8 c H45
2006-06-29 07:41:47 C 16 37 45.21 +63 17 22.0 c H45
2006-06-29 07:47:46 C 16 37 44.98 +63 17 23.6 c H45
2006-06-29 07:50:00 C 16 37 44.82 +63 17 24.4 c H45
2006-06-29 07:52:24 C 16 37 44.62 +63 17 25.1 c H45
2006-07-18 05:49:01 C 16 21 03.09 +64 21 51.5 r H45
2006-07-18 05:55:45 C 16 21 02.94 +64 21 51.3 r H45
2006-07-18 05:58:24 C 16 21 02.76 +64 21 51.2 r H45
2006-09-19 04:41:46 C 18 09 33.26 +51 59 43.2 c H45
2006-09-19 04:43:48 C 18 09 33.59 +51 59 41.1 c H45