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AstDyS ∴ Objects ∴ 1997WS28 ∴ Summary
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(164697) 1997WS28  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.22905 8.972e-09 au
e 0.123331 4.298e-08
i 7.195 5.37e-06 deg
Ω 29.64 3.163e-05 deg
ω 30.483 4.007e-05 deg
M 316.39 2.513e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9541 au
Aphelion 2.504 au
Asc. node-Earth separation 0.99008 au
Desc. node-Earth separation 1.45156 au
Earth MOID 0.96986 au
Orbital period 1215.57 days
Date of orbit computation  apr 23 20:24
Observational summary
Optical observations (Discarded) 603 (5)
Radar observations (Discarded) 0 (0)
Arc length 9363.64 days
Unobserved 309 days

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Ephemeris at epoch 60427 MJD
Right Ascension 21.1882 deg
Declination 7.59337 deg
V Magnitude 21.13 mag
Solar Elongation 14.53 deg
Galactic Latitude -54.35 deg
Rate 0.562 deg/day
Direction 65.302 deg

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