2018 HS

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2999287112 ± 2.00e+00
Semi-major axis (a)1.2565222326 AU ± 3.00e+00
Inclination (i)33.24741844° ± 4.00e+00
Long. of Asc. Node (Ω)30.41984442° ± 5.00e+00
Arg. of Perihelion (ω)114.01134968° ± 6.00e+00
Mean Anomaly (M)177.07414545° ± 3.99e-01
Mean Motion (n)0.6997431600°/day ± 2.51e+00
Perihelion dist (q)0.87965030 AU ± 3.28e+00
Aphelion dist (Q)1.63343330 AU ± 4.64e+00
Orbital Period1.40852780 yr ± 5.04e+00
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.825″
Uncertainty3
Orbit TypeApollo
MOID0.012895 AU
Observations Used168
Oppositions1
Arc Total2018-2018
First Observation Used
Last Observation Used2018-04-25
Observations (171)
Date Type RA Dec Mag Band Observatory
2018-04-19 20:28:41 C 15 19 23.80 +31 01 02.8 U J95
2018-04-19 20:29:52 C 15 19 20.45 +31 01 09.7 U 160
2018-04-19 20:30:38 C 15 19 16.88 +31 00 09.5 U 160
2018-04-19 20:31:02 C 15 19 13.18 +30 57 58.8 U J95
2018-04-19 20:31:24 C 15 19 13.33 +30 59 06.4 U 160
2018-04-19 20:32:11 C 15 19 09.71 +30 58 06.1 U 160
2018-04-19 20:32:57 C 15 19 06.32 +30 57 06.3 U 160
2018-04-19 20:33:42 C 15 19 02.78 +30 56 05.8 U 160
2018-04-19 20:34:03 C 15 18 57.44 +30 55 13.1 S C47
2018-04-19 20:35:15 C 15 18 51.98 +30 53 39.0 S C47
2018-04-19 20:36:27 C 15 18 46.52 +30 52 05.1 S C47
2018-04-19 20:37:38 C 15 18 41.08 +30 50 31.0 S C47
2018-04-19 20:38:33 C 15 18 39.85 +30 49 04.7 q K30
2018-04-19 20:38:49 C 15 18 35.63 +30 48 57.0 S C47
2018-04-19 20:59:11 C 15 17 01.49 +30 21 32.2 U G34
2018-04-19 21:00:11 C 15 16 57.31 +30 20 16.5 U G34
2018-04-19 21:03:11 C 15 16 43.29 +30 16 13.1 U G34
2018-04-19 21:14:49 C 15 15 54.21 +30 01 26.6 17.4 U K63
2018-04-19 21:16:05 C 15 15 51.47 +29 59 04.8 q I93
2018-04-19 21:18:45 C 15 15 32.23 +29 55 24.6 q K61
2018-04-19 21:19:03 C 15 15 30.90 +29 54 59.0 q K61
2018-04-19 21:19:16 C 15 15 29.73 +29 54 42.0 q K61
2018-04-19 21:20:18 C 15 15 32.19 +29 53 24.0 q I93
2018-04-19 21:24:08 C 15 15 11.34 +29 48 52.7 16.9 U K63
2018-04-19 21:24:25 C 15 15 13.40 +29 47 50.9 q I93
2018-04-19 21:27:16 C 15 14 56.94 +29 44 38.4 17.7 U K63
2018-04-19 21:51:17 C 15 13 03.00 +29 10 51.9 S 033
2018-04-19 21:52:17 C 15 12 58.39 +29 09 29.4 S 033
2018-04-19 21:53:17 C 15 12 53.77 +29 08 06.2 S 033
2018-04-19 21:54:17 C 15 12 49.13 +29 06 42.9 S 033
2018-04-19 21:55:17 C 15 12 44.51 +29 05 19.9 S 033
2018-04-19 21:56:18 C 15 12 39.90 +29 03 56.8 S 033
2018-04-19 21:57:18 C 15 12 35.27 +29 02 33.6 S 033
2018-04-19 21:58:18 C 15 12 30.65 +29 01 10.5 S 033
2018-04-19 21:59:19 C 15 12 26.02 +28 59 47.0 S 033
2018-04-19 22:00:19 C 15 12 21.41 +28 58 23.8 S 033
2018-04-19 22:27:40 C 15 10 19.64 +28 21 12.0 q C77
2018-04-19 22:30:11 C 15 10 08.02 +28 17 40.8 q C77
2018-04-19 22:33:13 C 15 09 54.00 +28 13 23.3 q C77
2018-04-19 22:56:39 C 15 08 07.10 +27 38 50.2 U Z80
2018-04-19 23:00:48 C 15 07 43.02 +27 34 18.7 S L01
2018-04-19 23:00:52 C 15 07 47.84 +27 32 50.3 U Z80
2018-04-19 23:01:31 C 15 07 42.27 +27 33 05.2 U 204
2018-04-19 23:02:21 C 15 07 35.84 +27 32 05.1 S L01
2018-04-19 23:03:55 C 15 07 28.57 +27 29 50.1 S L01
2018-04-19 23:05:53 C 15 07 22.13 +27 26 51.0 U 204
2018-04-19 23:06:38 C 15 07 16.01 +27 25 56.9 S L01
2018-04-19 23:08:06 C 15 07 14.62 +27 22 30.0 U Z80
2018-04-19 23:08:15 C 15 07 08.49 +27 23 36.9 S L01
2018-04-19 23:10:19 C 15 07 01.66 +27 20 29.7 U 204