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
2018-04-26 07:00:44 C 14 46 55.04 -13 14 25.2 U H01
2018-04-26 07:02:38 C 14 46 54.98 -13 14 24.8 o 291
2018-04-26 07:18:13 C 14 46 53.92 -13 14 27.5 U H01
2018-04-26 07:25:29 C 14 46 53.47 -13 14 28.4 U H01
2018-04-26 07:30:31 C 14 46 53.20 -13 14 29.1 o 291
2018-04-26 07:58:26 C 14 46 51.43 -13 14 32.6 o 291
2018-05-05 09:54:45 C 14 33 42.19 -13 41 40.2 o 291
2018-05-05 10:17:36 C 14 33 40.83 -13 41 42.9 o 291
2018-05-13 04:47:26 C 14 23 28.40 -14 02 55.3 U 807
2018-05-13 05:03:15 C 14 23 27.56 -14 02 57.2 U 807
2018-05-13 05:19:05 C 14 23 26.73 -14 02 59.3 U 807
2018-05-15 08:07:49 C 14 20 54.89 -14 08 47.6 o 691
2018-05-15 08:24:19 C 14 20 53.97 -14 08 48.4 o 691
2018-05-15 08:40:50 C 14 20 53.22 -14 08 50.8 o 691
2018-05-19 09:04:17 C 14 16 26.463 -14 19 41.36 V F51
2018-05-19 09:38:15 C 14 16 24.914 -14 19 44.70 V F51
2018-05-19 09:55:15 C 14 16 24.153 -14 19 47.04 V F51
2018-06-05 06:48:30 C 14 03 19.784 -15 09 38.57 V F51
2021-09-05 11:26:57 C 01 58 52.386 -06 50 02.83 V F51
2021-09-05 11:49:26 C 01 58 52.159 -06 50 05.17 V F51
2021-09-05 12:11:58 C 01 58 51.922 -06 50 07.64 V F51
2021-09-05 12:33:43 C 01 58 51.700 -06 50 10.04 V F51
2021-09-08 12:59:52 C 01 58 04.248 -06 57 44.16 V F51
2021-09-08 13:41:10 C 01 58 03.635 -06 57 48.51 V F51
2021-09-08 13:58:54 C 01 58 03.383 -06 57 50.49 V F51
2021-09-08 14:16:38 C 01 58 03.124 -06 57 52.59 V F51
2021-09-29 12:55:33 C 01 43 34.250 -07 54 18.03 V F51
2021-09-29 13:46:27 C 01 43 31.903 -07 54 23.18 V F51
2021-10-13 09:10:04 C 01 25 50.703 -08 10 54.92 U F51
2021-10-13 09:30:52 C 01 25 49.409 -08 10 54.95 U F51
2021-10-13 09:51:43 C 01 25 48.118 -08 10 54.71 U F51
2021-10-31 05:43:00 C 00 58 41.97 -07 20 36.5 V G96
2021-10-31 05:50:31 C 00 58 41.44 -07 20 34.0 V G96
2021-10-31 05:58:02 C 00 58 40.98 -07 20 32.1 V G96
2021-10-31 06:05:34 C 00 58 40.53 -07 20 30.4 V G96
2021-11-01 07:18:45 C 00 57 07.797 -07 14 17.53 U F51
2021-11-01 07:35:49 C 00 57 06.723 -07 14 13.26 U F51
2021-11-01 07:52:54 C 00 57 05.641 -07 14 08.99 U F51
2021-11-11 03:58:46 C 00 43 52.02 -05 57 51.3 V G96
2021-11-11 04:07:39 C 00 43 51.55 -05 57 48.0 V G96
2021-11-11 04:15:06 C 00 43 51.20 -05 57 45.5 V G96
2021-11-24 05:09:14 C 00 31 31.508 -03 29 56.63 U F51
2021-11-24 05:26:24 C 00 31 30.988 -03 29 46.98 U F51
2021-11-24 06:00:50 C 00 31 29.930 -03 29 28.33 U F51
2021-12-03 04:23:18 C 00 27 16.50 -01 22 56.4 V G96
2021-12-03 04:31:30 C 00 27 16.37 -01 22 51.1 V G96
2021-12-03 04:39:41 C 00 27 16.23 -01 22 45.5 V G96
2021-12-03 04:47:52 C 00 27 16.17 -01 22 40.3 V G96
2022-01-21 05:45:38 C 01 02 38.454 +14 07 11.59 U F52
2022-01-21 06:04:04 C 01 02 39.670 +14 07 28.38 U F52