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AstDyS ∴ Objects ∴ Amalthea ∴ Summary
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(113) Amalthea  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 2.37566 3.67e-09 au
e 0.086923 2.79e-08
i 5.043 3.284e-06 deg
Ω 123.452 3.855e-05 deg
ω 78.708 4.253e-05 deg
M 136.015 1.822e-05 deg

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Other useful info
Absolute Magnitude (H)    8.7 mag
Slope parameter (G)    0.35 mag
Perihelion 2.1692 au
Aphelion 2.5822 au
Asc. node-Earth separation 1.33447 au
Desc. node-Earth separation 1.38237 au
Earth MOID 1.17311 au
Orbital period 1337.44 days
Date of orbit computation  Sep 11 16:49
Observational summary
Optical observations (Discarded) 2781 (124)
Radar observations (Discarded) 0 (0)
Arc length 53950.3 days
Unobserved 290 days

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Ephemeris at epoch 58741 MJD
Right Ascension 31.9033 deg
Declination 5.23238 deg
V Magnitude 12.55 mag
Solar Elongation 139.52 deg
Galactic Latitude -52.77 deg
Rate 0.12 deg/day
Direction -130.608 deg

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