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AstDyS ∴ Objects ∴ Demophon ∴ Summary
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(4057) Demophon  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.23842 5.848e-08 au
e 0.119367 3.721e-08
i 2.873 4.652e-06 deg
Ω 24.264 6.086e-05 deg
ω 60.905 6.415e-05 deg
M 16.243 1.93e-05 deg

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Other useful info
Absolute Magnitude (H)    10.3 mag
Slope parameter (G)    0.15 mag
Perihelion 4.6131 au
Aphelion 5.8637 au
Asc. node-Earth separation 3.88509 au
Desc. node-Earth separation 4.47852 au
Earth MOID 3.63093 au
Orbital period 4379.24 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 4525 (310)
Radar observations (Discarded) 0 (0)
Arc length 14059.3 days
Unobserved 34 days

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Ephemeris at epoch 60426 MJD
Right Ascension 98.4079 deg
Declination 25.8545 deg
V Magnitude 17.86 mag
Solar Elongation -61.68 deg
Galactic Latitude 7.86 deg
Rate 0.184 deg/day
Direction 95.394 deg

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