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AstDyS ∴ Objects ∴ Libera ∴ Summary
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(771) Libera  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65202 5.767e-09 au
e 0.247552 2.968e-08
i 14.893 3.244e-06 deg
Ω 217.857 6.271e-06 deg
ω 228.626 8.526e-06 deg
M 185.76 3.702e-06 deg

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Other useful info
Absolute Magnitude (H)    10.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9955 au
Aphelion 3.3085 au
Asc. node-Earth separation 1.96978 au
Desc. node-Earth separation 1.14739 au
Earth MOID 1.04193 au
Orbital period 1577.48 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 9990 (71)
Radar observations (Discarded) 0 (0)
Arc length 40295.7 days
Unobserved 41 days

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Ephemeris at epoch 60431 MJD
Right Ascension 290.152 deg
Declination -7.4826 deg
V Magnitude 16.26 mag
Solar Elongation 109.45 deg
Galactic Latitude -9.87 deg
Rate 0.105 deg/day
Direction 18.63 deg

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