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NEODyS ∴ Objects ∴ Hephaistos ∴ Summary
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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.15959 5.983e-09 au
e 0.837643 2.334e-08
i 11.56 4.593e-06 deg
Ω 27.562 1.837e-05 deg
ω 209.347 1.816e-05 deg
M 36.342 4.868e-06 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3506 au
Aphelion 3.9686 au
Asc. node-Earth separation 1.39312 au
Desc. node-Earth separation -0.63158 au
Earth MOID 0.11617 au
Orbital period 1159.19 days
Date of orbit computation   May 25 14:38
Observational summary
Optical observations (Discarded) 2212 (12)
Radar observations (Discarded) 0 (0)
Arc length 15022 days
Unobserved 479 days

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Ephemeris at epoch 57900 MJD
Right Ascension 39.4768 deg
Declination 16.4679 deg
V Magnitude 18.93 mag
Solar Elongation 23.45 deg
Galactic Latitude -39.33 deg
Rate 0.298 deg/day
Direction 68.83 deg

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