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AstDyS ∴ Objects ∴ Alfven ∴ Summary
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(1778) Alfven  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.14644 1.544e-08 au
e 0.128141 3.932e-08
i 2.474 4.097e-06 deg
Ω 106.236 0.0001063 deg
ω 136.228 0.0001073 deg
M 252.996 1.825e-05 deg

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Other useful info
Absolute Magnitude (H)    11.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7433 au
Aphelion 3.5496 au
Asc. node-Earth separation 2.42651 au
Desc. node-Earth separation 1.81479 au
Earth MOID 1.72958 au
Orbital period 2038.58 days
Date of orbit computation  Oct 31 04:56
Observational summary
Optical observations (Discarded) 2127 (30)
Radar observations (Discarded) 0 (0)
Arc length 40838.7 days
Unobserved 164 days

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Ephemeris at epoch 58568 MJD
Right Ascension 139.741 deg
Declination 18.0423 deg
V Magnitude 16.92 mag
Solar Elongation -131.74 deg
Galactic Latitude 40.47 deg
Rate 0.062 deg/day
Direction -74.549 deg

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