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AstDyS ∴ Objects ∴ 2001WB31 ∴ Summary
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(111209) 2001WB31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26135 8.378e-09 au
e 0.245322 3.51e-08
i 3.764 4.348e-06 deg
Ω 116.75 6.851e-05 deg
ω 224.667 6.927e-05 deg
M 257.029 1.11e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7066 au
Aphelion 2.8161 au
Asc. node-Earth separation 1.5907 au
Desc. node-Earth separation 0.79371 au
Earth MOID 0.7005 au
Orbital period 1242.08 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 829 (104)
Radar observations (Discarded) 0 (0)
Arc length 9229.24 days
Unobserved 37 days

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Ephemeris at epoch 60425 MJD
Right Ascension 222.171 deg
Declination -9.72749 deg
V Magnitude 19.9 mag
Solar Elongation 170.07 deg
Galactic Latitude 43.46 deg
Rate 0.258 deg/day
Direction -71.211 deg

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