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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.15935 5.473e-09 au
e 0.837686 2.796e-08
i 11.552 5.749e-06 deg
Ω 27.531 2.045e-05 deg
ω 209.394 2.026e-05 deg
M 346.772 5.449e-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   Nov 26 13:22
Observational summary
Optical observations (Discarded) 2576 (5)
Radar observations (Discarded) 0 (0)
Arc length 16413 days
Unobserved 86 days

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Ephemeris
(Epoch 58899 MJD)
Right Ascension 349.682 deg
Declination -7.63352 deg
V Magnitude 16.14 mag
Solar Elongation -17.24 deg
Galactic Latitude -60.63 deg
Rate 0.841 deg/day
Direction 64.011 deg

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