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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 2.1592 6.684e-09 au
e 0.837667 2.77e-08
i 11.552 5.793e-06 deg
Ω 27.53 1.897e-05 deg
ω 209.395 1.882e-05 deg
M 48.9 6.138e-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 3.9679 au
Asc. node-Earth separation 1.38872 au
Desc. node-Earth separation -0.63178 au
Earth MOID 0.11589 au
Orbital period 1158.87 days
Date of orbit computation   Oct 18 15:15
Observational summary
Optical observations (Discarded) 2759 (4)
Radar observations (Discarded) 0 (0)
Arc length 16740 days
Unobserved 3 days

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Ephemeris
(Epoch 59143 MJD)
Right Ascension 42.7667 deg
Declination 20.3792 deg
V Magnitude 18.23 mag
Solar Elongation 161.01 deg
Galactic Latitude -34.36 deg
Rate 0.313 deg/day
Direction -102.4 deg

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