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AstDyS ∴ Objects ∴ 2001WS18 ∴ Summary
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(228542) 2001WS18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56545 2.25e-08 au
e 0.24048 5.151e-08
i 2.354 5.699e-06 deg
Ω 258.122 0.0002474 deg
ω 148.553 0.0002514 deg
M 161.766 4.814e-05 deg

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Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9485 au
Aphelion 3.1824 au
Asc. node-Earth separation 2.02491 au
Desc. node-Earth separation 1.02195 au
Earth MOID 0.95896 au
Orbital period 1500.87 days
Date of orbit computation  feb 22 02:38
Observational summary
Optical observations (Discarded) 228 (0)
Radar observations (Discarded) 0 (0)
Arc length 7791 days
Unobserved 430 days

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Ephemeris at epoch 60418 MJD
Right Ascension 219.219 deg
Declination -17.6471 deg
V Magnitude 22.03 mag
Solar Elongation 165.59 deg
Galactic Latitude 38.44 deg
Rate 0.214 deg/day
Direction -71.186 deg

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