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
2017-05-14 04:22:20 C 11 56 07.43 +03 48 48.3 q G96
2017-05-14 04:28:30 C 11 56 07.54 +03 49 01.3 q G96
2017-05-15 03:34:44 C 11 56 42.63 +04 36 12.1 q G96
2017-05-15 03:40:54 C 11 56 42.77 +04 36 24.9 q G96
2017-05-15 03:47:06 C 11 56 42.93 +04 36 37.4 q G96
2017-05-15 03:53:15 C 11 56 43.08 +04 36 49.8 q G96
2017-05-17 06:29:57 C 11 58 06.97 +06 15 21.6 q 703
2017-05-17 06:36:17 C 11 58 07.13 +06 15 32.7 q 703
2017-05-17 06:42:35 C 11 58 07.39 +06 15 45.4 q 703
2017-05-18 04:12:01 C 11 58 46.83 +06 55 37.0 q G96
2017-05-18 04:17:58 C 11 58 47.03 +06 55 48.0 q G96
2017-05-18 04:23:57 C 11 58 47.17 +06 55 58.9 q G96
2017-05-18 04:29:53 C 11 58 47.36 +06 56 09.9 q G96
2022-05-12 01:53:13 C 20 20 36.35 +35 30 04.4 X C95
2022-05-12 02:42:26 C 20 20 41.05 +35 31 49.4 X C95
2022-09-17 21:08:50 C 02 15 32.095 +69 01 35.98 V Z80
2022-09-17 21:40:10 C 02 15 32.352 +69 01 00.37 V Z80
2022-09-19 12:47:40 C 02 15 46.596 +68 12 29.02 V T08
2022-09-19 12:55:42 C 02 15 46.402 +68 12 17.96 V T08
2022-09-19 13:01:55 C 02 15 46.469 +68 12 09.76 V T08
2022-09-19 13:44:46 C 02 15 46.049 +68 11 13.24 V T08
2022-09-25 10:46:11 C 02 14 31.282 +64 30 02.41 V T05
2022-09-25 10:50:06 C 02 14 31.366 +64 29 54.64 V T05
2022-09-25 11:04:23 C 02 14 30.943 +64 29 28.25 V T05
2022-09-25 11:11:33 C 02 14 30.593 +64 29 15.00 V T05
2022-10-05 07:48:29 C 02 06 27.74 +54 32 39.8 V U55
2022-10-05 08:00:44 C 02 06 27.10 +54 31 59.5 V U55
2022-10-05 08:12:23 C 02 06 26.50 +54 31 21.0 V U55
2022-10-05 13:04:28 C 02 06 11.904 +54 15 21.92 V T08
2022-10-05 13:13:08 C 02 06 11.333 +54 14 53.16 V T08
2022-10-05 13:21:07 C 02 06 10.910 +54 14 25.73 V T08
2022-10-05 13:26:37 C 02 06 10.596 +54 14 07.33 V T08
2022-10-05 13:35:56 C 02 06 10.073 +54 13 35.33 V T08
2022-10-05 13:51:33 C 02 06 09.247 +54 12 42.26 V T08
2022-10-07 11:39:36 C 02 04 05.566 +51 31 04.40 V T05
2022-10-07 11:43:34 C 02 04 05.340 +51 30 50.18 V T05
2022-10-07 12:31:14 C 02 04 02.609 +51 27 51.98 V T05
2022-10-07 12:39:46 C 02 04 02.098 +51 27 19.98 V T05
2022-10-14 10:21:59 C 01 56 01.907 +39 13 58.62 V 703
2022-10-14 10:29:13 C 01 56 01.496 +39 13 21.22 V 703
2022-10-14 10:36:26 C 01 56 01.122 +39 12 43.99 V 703
2022-10-14 10:43:38 C 01 56 00.701 +39 12 06.80 V 703
2022-10-14 13:28:46 C 01 55 52.639 +38 58 05.12 V T05
2022-10-14 13:33:21 C 01 55 52.382 +38 57 41.04 V T05
2022-10-14 13:41:10 C 01 55 51.943 +38 57 00.43 V T05
2022-10-14 13:56:03 C 01 55 51.096 +38 55 43.03 V T05
2022-10-15 11:00:57 C 01 54 51.554 +37 05 30.44 V T05
2022-10-15 11:05:31 C 01 54 51.290 +37 05 06.25 V T05
2022-10-15 11:10:39 C 01 54 50.964 +37 04 39.36 V T08
2022-10-15 11:15:18 C 01 54 50.695 +37 04 14.63 V T08