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
2018-04-20 20:53:02 C 13 38 22.88 -07 51 21.5 U J95
2018-04-20 20:55:09 C 13 38 15.15 -07 54 30.8 U J95
2018-04-20 21:00:32 C 13 37 50.20 -08 02 35.0 q K61
2018-04-20 21:00:48 C 13 37 49.29 -08 02 57.2 q K61
2018-04-20 21:01:15 C 13 37 47.68 -08 03 37.0 q K61
2018-04-21 01:40:36 C 13 21 30.19 -14 32 14.0 U J95
2018-04-21 01:48:12 C 13 21 04.58 -14 42 02.9 U J95
2018-04-21 01:55:09 C 13 20 41.30 -14 50 58.4 U J95
2018-04-21 05:47:46 C 13 08 50.48 -19 30 58.0 U 703
2018-04-21 05:55:56 C 13 08 24.52 -19 40 09.5 U 703
2018-04-21 06:08:03 C 13 07 46.07 -19 53 47.1 U I52
2018-04-21 06:08:12 C 13 07 45.64 -19 53 56.7 U I52
2018-04-21 06:08:21 C 13 07 45.15 -19 54 07.0 U I52
2018-04-21 06:08:30 C 13 07 44.68 -19 54 16.9 U I52
2018-04-21 06:12:16 C 13 07 32.78 -19 58 27.6 U 703
2018-04-21 14:05:47 C 12 45 22.19 -27 36 41.8 r P93
2018-04-21 14:07:26 C 12 45 17.70 -27 38 03.9 r P93
2018-04-21 14:10:44 C 12 45 08.74 -27 40 47.4 r P93
2018-04-25 01:25:02 C 10 55 59.96 -50 30 17.1 U 807
2018-04-25 01:29:46 C 10 55 56.77 -50 30 38.7 U 807
2018-04-25 01:34:23 C 10 55 53.68 -50 31 00.0 U 807