AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Libera ∴ Summary
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(771) Libera  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.65158 8.485e-09 au
e 0.247725 3.408e-08
i 14.936 4.333e-06 deg
Ω 218.192 1.758e-05 deg
ω 227.409 1.963e-05 deg
M 90.74 9.982e-06 deg

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Other useful info
Absolute Magnitude (H)    10.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9947 au
Aphelion 3.3084 au
Asc. node-Earth separation 1.98161 au
Desc. node-Earth separation 1.1387 au
Earth MOID 1.0387 au
Orbital period 1577.09 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2120 (37)
Radar observations (Discarded) 0 (0)
Arc length 38209.3 days
Unobserved 197 days

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Ephemeris at epoch 58500 MJD
Right Ascension 235.622 deg
Declination -18.8615 deg
V Magnitude 16.24 mag
Solar Elongation 58.61 deg
Galactic Latitude 28.09 deg
Rate 0.287 deg/day
Direction 94.649 deg

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