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
2025-04-27 00:39:20 C 13 24 40.123 -07 25 12.14 V R17
2025-04-27 09:26:44 C 13 24 10.433 -06 54 54.04 V T05
2025-04-27 09:38:44 C 13 24 09.713 -06 54 12.82 V T05
2025-04-27 10:27:50 C 13 24 06.650 -06 51 23.83 V T05
2025-04-27 10:32:24 C 13 24 06.389 -06 51 07.92 V T05
2025-04-27 22:44:51 C 13 23 25.495 -06 08 55.82 V M22
2025-04-27 22:49:24 C 13 23 25.214 -06 08 39.80 V M22
2025-04-27 23:20:57 C 13 23 23.321 -06 06 51.77 V M22
2025-04-27 23:28:56 C 13 23 22.855 -06 06 24.30 V M22
2025-04-28 07:26:00 C 13 22 56.752 -05 39 33.37 V G96
2025-04-28 07:33:27 C 13 22 56.312 -05 39 07.85 V G96
2025-04-28 07:40:53 C 13 22 55.873 -05 38 42.40 V G96
2025-04-28 07:48:20 C 13 22 55.427 -05 38 16.87 V G96
2025-04-28 08:49:55 C 13 22 51.784 -05 34 46.42 V 703
2025-04-28 08:53:15 C 13 22 51.578 -05 34 34.14 V 703
2025-04-28 08:56:35 C 13 22 51.409 -05 34 23.52 V 703
2025-04-28 08:59:55 C 13 22 51.179 -05 34 11.60 V 703
2025-04-29 02:05:01 C 13 21 56.99 -04 36 02.2 V W46
2025-04-29 02:18:51 C 13 21 56.19 -04 35 15.4 V W46
2025-04-29 02:32:16 C 13 21 55.39 -04 34 29.8 V W46
2025-04-30 04:51:44 C 13 20 31.423 -03 05 19.68 V W68
2025-04-30 05:23:28 C 13 20 29.654 -03 03 33.44 V W68
2025-04-30 05:28:03 C 13 20 29.335 -03 03 18.18 V W68
2025-04-30 05:37:19 C 13 20 28.824 -03 02 47.51 V W68
2025-05-01 09:33:40 C 13 19 04.594 -01 30 11.48 V T05
2025-05-01 09:39:33 C 13 19 04.262 -01 29 52.26 V T05
2025-05-01 09:47:33 C 13 19 03.833 -01 29 25.91 V T05
2025-05-01 10:06:31 C 13 19 02.784 -01 28 23.59 V T05
2025-05-01 16:04:19 C 13 18 45.603 -01 08 52.71 W O18
2025-05-01 16:56:06 C 13 18 42.812 -01 06 01.07 W O18
2025-05-01 17:48:03 C 13 18 40.059 -01 03 10.80 W O18
2025-05-02 08:51:35 C 13 17 56.022 -00 14 06.43 V 703
2025-05-02 09:01:19 C 13 17 55.655 -00 13 31.04 V 703
2025-05-02 16:23:16 C 13 17 35.489 +00 10 18.91 W O18
2025-05-02 16:25:03 C 13 17 35.411 +00 10 24.12 W O18
2025-05-02 17:15:19 C 13 17 32.834 +00 13 05.36 W O18
2025-05-02 17:17:05 C 13 17 32.733 +00 13 11.04 W O18
2025-05-03 08:56:22 C 13 16 49.570 +01 03 28.30 V T08
2025-05-03 09:43:53 C 13 16 47.117 +01 05 59.89 V T08
2025-05-03 10:04:11 C 13 16 46.085 +01 07 04.51 V T08
2025-05-03 10:12:28 C 13 16 45.708 +01 07 31.19 V T08
2025-05-04 07:03:01 C 13 15 50.011 +02 13 13.44 V 703
2025-05-04 07:09:41 C 13 15 49.644 +02 13 34.90 V 703
2025-05-04 07:13:01 C 13 15 49.468 +02 13 44.69 V 703
2025-05-04 16:17:38 C 13 15 26.250 +02 41 59.16 W O18
2025-05-04 17:09:46 C 13 15 23.787 +02 44 40.04 W O18
2025-05-05 19:54:10 C 13 14 17.489 +04 06 52.27 V M22
2025-05-05 20:22:55 C 13 14 16.241 +04 08 19.57 V M22
2025-05-05 20:24:52 C 13 14 16.133 +04 08 25.15 V M22
2025-05-05 20:27:28 C 13 14 15.929 +04 08 33.04 V M22