AstDyS-2

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AstDyS ∴ Objects ∴ 1997WC21 ∴ Summary
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(52631) 1997WC21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65602 7.426e-09 au
e 0.302821 3.319e-08
i 5.091 4.166e-06 deg
Ω 307.66 4.591e-05 deg
ω 102.996 4.674e-05 deg
M 19.241 6.862e-06 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8517 au
Aphelion 3.4603 au
Asc. node-Earth separation 1.57332 au
Desc. node-Earth separation 1.27474 au
Earth MOID 0.87067 au
Orbital period 1581.05 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1817 (7)
Radar observations (Discarded) 0 (0)
Arc length 9594.02 days
Unobserved 79 days

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Ephemeris at epoch 60420 MJD
Right Ascension 72.896 deg
Declination 24.6296 deg
V Magnitude 19.09 mag
Solar Elongation -44.45 deg
Galactic Latitude -12.36 deg
Rate 0.567 deg/day
Direction 86.092 deg

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