2017 WC28

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5457076000 ± 2.00e+00
Semi-major axis (a)1.9603829000 AU ± 3.00e+00
Inclination (i)6.02557000° ± 4.00e+00
Long. of Asc. Node (Ω)251.27334000° ± 5.00e+00
Arg. of Perihelion (ω)114.67179000° ± 6.00e+00
Mean Anomaly (M)343.77283000° ± 7.84e+01
Mean Motion (n)0.3590812394°/day ± 8.24e-01
Perihelion dist (q)0.89058710 AU ± 4.15e+00
Aphelion dist (Q)3.03017870 AU ± 6.07e+00
Orbital Period2.74480410 yr ± 6.30e+00
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty5
Orbit TypeApollo
MOID0.035285 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-12-13
Observations (54)
Date Type RA Dec Mag Band Observatory
2017-11-28 07:07:44 C 04 21 26.87 +27 43 50.6 U G96
2017-12-13 05:37:48 C 04 44 15.29 +17 21 53.8 u H21
2017-12-13 05:58:23 C 04 44 15.71 +17 21 38.2 u H21
2017-12-13 06:15:58 C 04 44 16.07 +17 21 24.8 u H21