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NEODyS ∴ Objects ∴ Hephaistos ∴ Summary
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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.15935 6.023e-09 au
e 0.837686 2.315e-08
i 11.552 4.516e-06 deg
Ω 27.531 1.735e-05 deg
ω 209.394 1.714e-05 deg
M 346.772 5.899e-06 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3505 au
Aphelion distance 3.9682 au
Asc. node-Earth separation 1.38854 au
Desc. node-Earth separation -0.62993 au
Earth MOID 0.11591 au
Orbital period 1159 days
Date of orbit computation   Sep 19 18:07
Observational summary
Optical observations (Discarded) 2505 (15)
Radar observations (Discarded) 0 (0)
Arc length 16120 days
Unobserved 231 days

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Ephemeris
(Epoch 58750 MJD)
Right Ascension 132.46 deg
Declination 26.9456 deg
V Magnitude 17.26 mag
Solar Elongation 53.39 deg
Galactic Latitude 36.76 deg
Rate 0.631 deg/day
Direction 102.313 deg

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