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AstDyS ∴ Objects ∴ Io ∴ Summary
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(85) Io  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.652 4.393e-09 au
e 0.194413 2.739e-08
i 11.962 3.53e-06 deg
Ω 203.115 1.652e-05 deg
ω 123.047 1.809e-05 deg
M 175.007 8.144e-06 deg

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Other useful info
Absolute Magnitude (H)    7.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1364 au
Aphelion 3.1676 au
Asc. node-Earth separation 1.84984 au
Desc. node-Earth separation 1.31038 au
Earth MOID 1.15201 au
Orbital period 1577.46 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2475 (139)
Radar observations (Discarded) 0 (0)
Arc length 55754 days
Unobserved 343 days

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Ephemeris at epoch 58598 MJD
Right Ascension 158.069 deg
Declination 1.25707 deg
V Magnitude 12.91 mag
Solar Elongation -124.67 deg
Galactic Latitude 47.79 deg
Rate 0.085 deg/day
Direction -8.509 deg

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