2018 HR3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5343330240 ± 2.78e-08
Semi-major axis (a)2.6985800897 AU ± 2.11e-08
Inclination (i)18.89599522° ± 1.53e-05
Long. of Asc. Node (Ω)43.74849203° ± 1.27e-05
Arg. of Perihelion (ω)71.06390992° ± 3.50e-05
Mean Anomaly (M)296.11495076° ± 2.55e-05
Mean Motion (n)0.2223357545°/day ± 2.61e-09
Perihelion dist (q)1.25663963 AU ± 7.55e-08
Aphelion dist (Q)4.14052055 AU ± 8.16e-08
Orbital Period4.43305345 yr ± 5.21e-08
Physical Parameters
H (abs. magnitude)19.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.172″
Uncertainty0
Orbit TypeAmor
MOID0.411627 AU
Observations Used95
Oppositions10
Arc Total2009-2022
First Observation Used2009-04-29
Last Observation Used2022-01-21
Observations (101)
Date Type RA Dec Mag Band Observatory
2009-04-29 06:27:06 C 13 47 18.60 -02 30 42.0 r G96
2009-04-29 06:40:45 C 13 47 17.84 -02 30 45.7 r G96
2009-04-29 06:54:18 C 13 47 17.05 -02 30 49.4 r G96
2009-04-29 07:08:04 C 13 47 16.29 -02 30 53.2 r G96
2012-10-10 08:43:27 C 00 44 42.576 -16 06 14.52 V F51
2012-10-10 09:03:29 C 00 44 41.398 -16 06 15.13 V F51
2012-10-10 09:23:33 C 00 44 40.196 -16 06 15.69 V F51
2012-10-10 09:43:35 C 00 44 39.004 -16 06 16.35 V F51
2013-01-10 05:24:34 C 00 26 05.570 +01 20 05.29 V F51
2013-01-10 05:32:10 C 00 26 05.958 +01 20 11.63 V F51
2013-01-10 05:47:21 C 00 26 06.747 +01 20 23.56 V F51
2018-04-23 02:18:15 C 14 51 39.937 -13 03 52.52 U 309
2018-04-23 02:19:59 C 14 51 39.825 -13 03 52.71 U 309
2018-04-23 02:26:57 C 14 51 39.391 -13 03 53.91 U 309
2018-04-23 02:28:41 C 14 51 39.277 -13 03 54.18 U 309
2018-04-23 02:37:07 C 14 51 38.752 -13 03 55.20 U 309
2018-04-23 02:38:51 C 14 51 38.634 -13 03 55.54 U 309
2018-04-23 02:44:56 C 14 51 38.251 -13 03 56.28 U 309
2018-04-23 02:46:40 C 14 51 38.143 -13 03 56.67 U 309
2018-04-23 02:48:24 C 14 51 38.033 -13 03 56.72 U 309
2018-04-23 02:50:09 C 14 51 37.921 -13 03 57.12 U 309
2018-04-23 02:51:52 C 14 51 37.821 -13 03 57.15 U 309
2018-04-23 02:53:38 C 14 51 37.707 -13 03 57.51 U 309
2018-04-23 02:55:23 C 14 51 37.593 -13 03 57.83 U 309
2018-04-23 02:57:07 C 14 51 37.479 -13 03 57.90 U 309
2018-04-23 02:58:51 C 14 51 37.377 -13 03 58.40 U 309
2018-04-23 03:00:36 C 14 51 37.263 -13 03 58.54 U 309
2018-04-23 03:05:36 C 14 51 36.941 -13 03 59.24 U 309
2018-04-23 03:07:21 C 14 51 36.832 -13 03 59.56 U 309
2018-04-23 03:09:30 C 14 51 36.694 -13 03 59.86 U 309
2018-04-23 03:11:14 C 14 51 36.589 -13 04 00.01 U 309
2018-04-23 03:14:02 C 14 51 36.415 -13 04 00.50 U 309
2018-04-23 03:15:46 C 14 51 36.300 -13 04 00.80 U 309
2018-04-23 03:24:14 C 14 51 35.759 -13 04 01.97 U 309
2018-04-23 03:25:58 C 14 51 35.653 -13 04 02.27 U 309
2018-04-23 03:32:01 C 14 51 35.275 -13 04 03.19 U 309
2018-04-23 03:33:46 C 14 51 35.155 -13 04 03.30 U 309
2018-04-23 03:35:29 C 14 51 35.048 -13 04 03.58 U 309
2018-04-23 03:37:13 C 14 51 34.932 -13 04 03.96 U 309
2018-04-23 03:38:57 C 14 51 34.825 -13 04 03.85 U 309
2018-04-23 03:40:42 C 14 51 34.716 -13 04 04.39 U 309
2018-04-23 03:42:27 C 14 51 34.599 -13 04 04.48 U 309
2018-04-23 03:44:10 C 14 51 34.506 -13 04 04.71 U 309
2018-04-23 03:45:55 C 14 51 34.388 -13 04 05.15 U 309
2018-04-23 03:47:38 C 14 51 34.279 -13 04 05.35 U 309
2018-04-24 06:22:16 C 14 49 55.64 -13 07 51.9 U H01
2018-04-24 06:31:44 C 14 49 55.05 -13 07 53.2 U H01
2018-04-24 06:57:00 C 14 49 53.43 -13 07 56.8 U H01
2018-04-24 07:06:13 C 14 49 52.85 -13 07 58.1 U H01
2018-04-26 06:45:14 C 14 46 56.03 -13 14 22.8 U H01