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AstDyS ∴ Objects ∴ 2001WS31 ∴ Summary
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(153821) 2001WS31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68998 1.291e-08 au
e 0.175437 4.198e-08
i 3.318 4.537e-06 deg
Ω 209.954 8.338e-05 deg
ω 263.463 8.489e-05 deg
M 344.444 1.42e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2181 au
Aphelion 3.1619 au
Asc. node-Earth separation 1.65596 au
Desc. node-Earth separation 1.56171 au
Earth MOID 1.23796 au
Orbital period 1611.47 days
Date of orbit computation  apr 23 20:21
Observational summary
Optical observations (Discarded) 566 (2)
Radar observations (Discarded) 0 (0)
Arc length 11430 days
Unobserved 74 days

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Ephemeris at epoch 60426 MJD
Right Ascension 80.0888 deg
Declination 20.6711 deg
V Magnitude 21.54 mag
Solar Elongation -44.86 deg
Galactic Latitude -9.28 deg
Rate 0.479 deg/day
Direction 85.819 deg

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