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AstDyS ∴ Objects ∴ 2009WC221 ∴ Summary
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(312635) 2009WC221  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.17934 3.868e-07 au
e 0.012002 1.077e-07
i 3.618 1.183e-05 deg
Ω 125.516 0.0001747 deg
ω 300.137 0.000759 deg
M 259.52 0.0007517 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 5.1172 au
Aphelion 5.2415 au
Asc. node-Earth separation 4.16179 au
Desc. node-Earth separation 4.19402 au
Earth MOID 4.13141 au
Orbital period 4305.36 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 115 (1)
Radar observations (Discarded) 0 (0)
Arc length 6402.16 days
Unobserved 258 days

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Ephemeris at epoch 58580 MJD
Right Ascension 346.555 deg
Declination -7.61625 deg
V Magnitude 21.91 mag
Solar Elongation 32 deg
Galactic Latitude -58.35 deg
Rate 0.213 deg/day
Direction 68.879 deg

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