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
2014-11-10 02:55:16 C 23 25 45.58 -03 17 54.4 u H21
2014-11-10 02:57:50 C 23 25 45.85 -03 18 02.1 u H21
2014-11-10 03:00:25 C 23 25 46.11 -03 18 10.2 u H21
2014-11-10 03:02:59 C 23 25 46.39 -03 18 17.8 u H21
2014-11-10 03:05:33 C 23 25 46.67 -03 18 25.5 u H21
2014-11-10 03:08:22 C 23 25 46.95 -03 18 34.4 u H21
2014-11-19 02:49:42 C 23 49 01.43 -12 18 25.5 R G45
2014-11-19 02:55:48 C 23 49 02.11 -12 18 37.8 R G45
2014-11-19 02:58:49 C 23 49 02.35 -12 18 43.4 R G45
2014-11-19 03:04:46 C 23 49 02.91 -12 18 55.1 R G45
2014-11-20 03:04:00 C 23 51 31.16 -13 05 22.6 q 703
2014-11-20 03:12:40 C 23 51 31.92 -13 05 38.0 q 703
2014-11-20 03:21:20 C 23 51 32.84 -13 05 54.7 q 703
2014-11-20 03:29:59 C 23 51 33.71 -13 06 10.3 q 703
2014-11-22 05:21:42 C 23 56 38.132 -14 35 10.28 L F51
2014-11-22 05:37:00 C 23 56 39.605 -14 35 36.27 L F51
2014-11-22 05:52:19 C 23 56 41.084 -14 36 02.21 L F51
2014-11-24 02:52:01 C 00 01 11.39 -15 48 17.1 R G45
2014-11-24 02:57:59 C 00 01 11.95 -15 48 26.6 R G45
2014-11-24 03:04:26 C 00 01 12.53 -15 48 37.7 R G45
2014-11-24 03:10:24 C 00 01 13.15 -15 48 45.7 R G45
2014-11-25 02:48:14 C 00 03 33.70 -16 23 49.9 R G45
2014-11-25 02:59:23 C 00 03 34.84 -16 24 05.4 R G45
2014-11-25 03:05:50 C 00 03 35.36 -16 24 14.2 R G45
2014-11-25 03:11:48 C 00 03 36.01 -16 24 22.1 R G45
2014-11-26 02:37:06 C 00 05 54.55 -16 57 17.1 R G45
2014-11-26 02:43:03 C 00 05 55.06 -16 57 24.5 R G45
2014-11-26 02:46:27 C 00 05 55.43 -16 57 29.4 R G45
2014-11-26 02:58:24 C 00 05 56.54 -16 57 45.1 R G45
2017-03-31 09:52:35 C 12 19 24.84 -42 46 38.3 q Q60
2017-03-31 10:01:55 C 12 19 24.34 -42 46 21.3 q Q60
2017-03-31 10:11:18 C 12 19 23.68 -42 46 03.0 q Q60
2017-04-20 05:46:26 C 11 56 25.64 -22 06 00.6 q 703
2017-04-20 05:52:47 C 11 56 25.44 -22 05 40.5 q 703
2017-04-20 05:59:05 C 11 56 25.16 -22 05 20.3 q 703
2017-04-20 06:05:24 C 11 56 25.03 -22 05 01.0 q 703
2017-04-25 07:45:19 C 11 53 43.703 -15 54 30.14 L F51
2017-04-25 08:00:22 C 11 53 43.386 -15 53 44.70 L F51
2017-04-25 08:15:26 C 11 53 43.072 -15 52 59.10 L F51
2017-04-25 08:30:33 C 11 53 42.758 -15 52 13.45 L F51
2017-04-28 09:15:33 C 11 52 48.84 -12 15 03.0 L T05
2017-04-28 09:38:17 C 11 52 48.48 -12 13 57.0 L T05
2017-04-28 10:00:28 C 11 52 48.23 -12 12 50.6 L T05
2017-04-28 10:23:09 C 11 52 47.97 -12 11 43.4 L T05
2017-05-02 04:34:16 C 11 52 26.34 -07 53 25.8 q G96
2017-05-02 04:40:23 C 11 52 26.30 -07 53 08.7 q G96
2017-05-02 04:46:30 C 11 52 26.30 -07 52 52.0 q G96
2017-05-02 04:52:35 C 11 52 26.26 -07 52 34.8 q G96
2017-05-14 04:10:00 C 11 56 07.16 +03 48 23.0 q G96
2017-05-14 04:16:10 C 11 56 07.31 +03 48 35.6 q G96