2017 WS1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5501077474 ± 4.35e-08
Semi-major axis (a)2.0072901355 AU ± 8.55e-08
Inclination (i)16.16902222° ± 1.04e-05
Long. of Asc. Node (Ω)255.60540536° ± 8.08e-06
Arg. of Perihelion (ω)242.24062928° ± 1.62e-05
Mean Anomaly (M)272.62871975° ± 6.15e-05
Mean Motion (n)0.3465748554°/day ± 2.21e-08
Perihelion dist (q)0.90306428 AU ± 9.54e-08
Aphelion dist (Q)3.11151599 AU ± 1.59e-07
Orbital Period2.84390592 yr ± 1.82e-07
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.325″
Uncertainty0
Orbit TypeApollo
MOID0.077536 AU
Observations Used95
Oppositions3
Arc Total2014-2018
First Observation Used2014-10-02
Last Observation Used2018-06-09
Observations (103)
Date Type RA Dec Mag Band Observatory
2018-06-08 06:20:38 C 16 17 02.88 -23 32 32.8 U I52
2018-06-09 07:25:39 C 16 15 36.07 -23 13 58.0 o 691
2018-06-09 07:34:54 C 16 15 35.55 -23 13 52.1 o 691