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AstDyS ∴ Objects ∴ Antilochus ∴ Summary
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(1583) Antilochus  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.13128 7.09e-08 au
e 0.051935 5.318e-08
i 28.512 5.285e-06 deg
Ω 221.375 9.974e-06 deg
ω 187.014 4.962e-05 deg
M 274.189 5.17e-05 deg

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Other useful info
Absolute Magnitude (H)    8.6 mag
Slope parameter (G)    0.15 mag
Perihelion 4.8648 au
Aphelion 5.3978 au
Asc. node-Earth separation 4.3861 au
Desc. node-Earth separation 3.87461 au
Earth MOID 3.87425 au
Orbital period 4245.58 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 1937 (19)
Radar observations (Discarded) 0 (0)
Arc length 33583.3 days
Unobserved 117 days

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Ephemeris at epoch 58531 MJD
Right Ascension 323.739 deg
Declination 9.87356 deg
V Magnitude 16.43 mag
Solar Elongation -22.97 deg
Galactic Latitude -29.71 deg
Rate 0.24 deg/day
Direction 72.983 deg

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