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AstDyS ∴ Objects ∴ Demophon ∴ Summary
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(4057) Demophon  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.26209 1.035e-07 au
e 0.118135 5.917e-08
i 2.87 7.07e-06 deg
Ω 24.361 0.0001135 deg
ω 58.82 0.0001176 deg
M 213.992 3.303e-05 deg

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Other useful info
Absolute Magnitude (H)    10.2 mag
Slope parameter (G)    0.15 mag
Perihelion 4.6404 au
Aphelion 5.8837 au
Asc. node-Earth separation 3.89334 au
Desc. node-Earth separation 4.52153 au
Earth MOID 3.6567 au
Orbital period 4408.95 days
Date of orbit computation  Oct 31 04:57
Observational summary
Optical observations (Discarded) 1402 (14)
Radar observations (Discarded) 0 (0)
Arc length 12040.3 days
Unobserved 71 days

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Ephemeris at epoch 58443 MJD
Right Ascension 287.754 deg
Declination -25.0475 deg
V Magnitude 18.57 mag
Solar Elongation -47.75 deg
Galactic Latitude -15.18 deg
Rate 0.166 deg/day
Direction 81.377 deg

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