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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Athene ∴ Summary
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(881) Athene  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.61306 1.082e-08 au
e 0.205496 4.367e-08
i 14.191 4.618e-06 deg
Ω 277.035 1.883e-05 deg
ω 41.209 2.138e-05 deg
M 341.421 1.206e-05 deg

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Other useful info
Absolute Magnitude (H)    11.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0761 au
Aphelion 3.15 au
Asc. node-Earth separation 1.14988 au
Desc. node-Earth separation 1.97631 au
Earth MOID 1.08167 au
Orbital period 1542.85 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1885 (25)
Radar observations (Discarded) 0 (0)
Arc length 36981.3 days
Unobserved 26 days

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Ephemeris at epoch 58440 MJD
Right Ascension 283.309 deg
Declination -17.7845 deg
V Magnitude 16.53 mag
Solar Elongation -47.59 deg
Galactic Latitude -8.39 deg
Rate 0.517 deg/day
Direction 79.566 deg

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