AstDyS-2

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AstDyS ∴ Objects ∴ 1997WC21 ∴ Summary
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(52631) 1997WC21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.65663 1.74e-08 au
e 0.301596 4.163e-08
i 5.09 6.914e-06 deg
Ω 307.711 5.765e-05 deg
ω 103.122 5.954e-05 deg
M 283.716 1.69e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8554 au
Aphelion 3.4579 au
Asc. node-Earth separation 1.57639 au
Desc. node-Earth separation 1.27451 au
Earth MOID 0.87341 au
Orbital period 1581.6 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 838 (6)
Radar observations (Discarded) 0 (0)
Arc length 7565.19 days
Unobserved 253 days

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Ephemeris at epoch 58565 MJD
Right Ascension 348.944 deg
Declination -2.53931 deg
V Magnitude 18.96 mag
Solar Elongation 13.13 deg
Galactic Latitude -56.41 deg
Rate 0.54 deg/day
Direction 65.203 deg

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