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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Protesilaos ∴ Summary
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(3540) Protesilaos  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.27612 1.119e-07 au
e 0.116823 6.513e-08
i 23.292 7.611e-06 deg
Ω 26.418 1.565e-05 deg
ω 116.591 3.833e-05 deg
M 170.782 3.272e-05 deg

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Other useful info
Absolute Magnitude (H)    9.4 mag
Slope parameter (G)    0.15 mag
Perihelion 4.6597 au
Aphelion 5.8925 au
Asc. node-Earth separation 4.4954 au
Desc. node-Earth separation 3.94004 au
Earth MOID 3.73964 au
Orbital period 4426.6 days
Date of orbit computation  Oct 31 04:57
Observational summary
Optical observations (Discarded) 1134 (2)
Radar observations (Discarded) 0 (0)
Arc length 23991.1 days
Unobserved 91 days

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Ephemeris at epoch 58505 MJD
Right Ascension 330.05 deg
Declination -31.4807 deg
V Magnitude 17.82 mag
Solar Elongation -26.4 deg
Galactic Latitude -52.65 deg
Rate 0.196 deg/day
Direction 61.418 deg

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