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 23:11:11 C 15 06 55.08 +27 19 26.9 S L01
2018-04-19 23:12:00 C 15 06 56.71 +27 16 55.0 U Z80
2018-04-19 23:14:40 C 15 06 41.59 +27 14 14.6 U 204
2018-04-19 23:19:03 C 15 06 21.28 +27 07 55.1 U 204
2018-04-19 23:22:13 C 15 06 09.76 +27 02 12.1 U Z80
2018-04-19 23:25:48 C 15 05 53.26 +26 57 01.1 U Z80
2018-04-20 01:11:28 C 14 57 42.48 +24 20 16.3 S 033
2018-04-20 01:13:02 C 14 57 35.40 +24 17 54.4 S 033
2018-04-20 01:14:34 C 14 57 28.30 +24 15 32.4 S 033
2018-04-20 01:16:07 C 14 57 21.20 +24 13 10.1 S 033
2018-04-20 01:17:42 C 14 57 14.11 +24 10 47.8 S 033
2018-04-20 01:19:14 C 14 57 07.02 +24 08 25.5 S 033
2018-04-20 01:20:47 C 14 56 59.92 +24 06 03.0 S 033
2018-04-20 01:22:21 C 14 56 52.81 +24 03 40.4 S 033
2018-04-20 01:23:53 C 14 56 45.76 +24 01 18.0 S 033
2018-04-20 01:25:26 C 14 56 38.65 +23 58 54.7 S 033
2018-04-20 02:57:10 C 14 50 13.97 +21 48 45.9 r Y00
2018-04-20 02:58:02 C 14 50 10.12 +21 47 27.0 r Y00
2018-04-20 02:58:48 C 14 50 06.53 +21 46 14.1 r Y00
2018-04-20 05:19:55 C 14 40 07.67 +17 48 14.9 U I52
2018-04-20 05:20:31 C 14 40 05.02 +17 47 16.5 U I52
2018-04-20 05:21:05 C 14 40 02.46 +17 46 20.2 U I52
2018-04-20 05:21:40 C 14 39 59.88 +17 45 23.5 U I52
2018-04-20 06:55:09 C 14 32 54.36 +15 09 25.0 q 734
2018-04-20 06:57:22 C 14 32 44.52 +15 05 41.2 q 734
2018-04-20 07:00:40 C 14 32 29.93 +15 00 08.9 q 734
2018-04-20 07:02:53 C 14 32 20.12 +14 56 25.0 q 734
2018-04-20 13:23:52 C 14 06 29.31 +04 09 45.4 q 900
2018-04-20 13:27:02 C 14 06 16.25 +04 04 24.8 q 900
2018-04-20 13:36:32 C 14 05 37.20 +03 48 25.9 q 900
2018-04-20 13:39:40 C 14 05 24.32 +03 43 09.4 q 900
2018-04-20 20:15:09 C 13 40 36.15 -06 54 41.5 q C43
2018-04-20 20:17:21 C 13 40 28.05 -06 58 00.3 q C43
2018-04-20 20:19:33 C 13 40 19.94 -07 01 20.1 q C43
2018-04-20 20:21:46 C 13 40 11.82 -07 04 39.6 q C43
2018-04-20 20:23:58 C 13 40 03.69 -07 07 59.6 q C43
2018-04-20 20:26:37 C 13 39 54.73 -07 11 44.2 q 246
2018-04-20 20:26:44 C 13 39 54.34 -07 11 54.6 q 246
2018-04-20 20:26:51 C 13 39 53.92 -07 12 05.4 q 246
2018-04-20 20:26:58 C 13 39 53.46 -07 12 16.3 q 246
2018-04-20 20:27:05 C 13 39 53.02 -07 12 27.0 q 246
2018-04-20 20:27:12 C 13 39 52.61 -07 12 37.5 q 246
2018-04-20 20:27:19 C 13 39 52.19 -07 12 48.2 q 246
2018-04-20 20:30:36 C 13 39 39.89 -07 17 54.4 U 113
2018-04-20 20:33:15 C 13 39 30.28 -07 21 53.4 U 113
2018-04-20 20:34:35 C 13 39 25.36 -07 23 53.8 U 113
2018-04-20 20:35:54 C 13 39 20.51 -07 25 53.0 U 113
2018-04-20 20:37:14 C 13 39 15.62 -07 27 52.8 U 113
2018-04-20 20:49:50 C 13 38 34.51 -07 46 35.7 U J95
2018-04-20 20:51:30 C 13 38 28.44 -07 49 04.2 U J95