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AstDyS ∴ Objects ∴ Comacina ∴ Summary
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(489) Comacina  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.15282 9.594e-09 au
e 0.048415 2.991e-08
i 12.991 3.331e-06 deg
Ω 166.692 8.837e-06 deg
ω 8.484 2.655e-05 deg
M 59.286 2.724e-05 deg

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Other useful info
Absolute Magnitude (H)    8.7 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0002 au
Aphelion 3.3055 au
Asc. node-Earth separation 2.0095 au
Desc. node-Earth separation 2.29697 au
Earth MOID 2.0064 au
Orbital period 2044.79 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 7865 (53)
Radar observations (Discarded) 0 (0)
Arc length 44395.5 days
Unobserved 52 days

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Ephemeris at epoch 60444 MJD
Right Ascension 254.751 deg
Declination -4.09367 deg
V Magnitude 13.41 mag
Solar Elongation 152.6 deg
Galactic Latitude 22.69 deg
Rate 0.17 deg/day
Direction -66.341 deg

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