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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 2.15979 6.569e-09 au
e 0.837323 2.706e-08
i 11.542 5.651e-06 deg
Ω 27.509 1.747e-05 deg
ω 209.41 1.734e-05 deg
M 297.439 7.052e-06 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3513 au
Aphelion distance 3.9682 au
Asc. node-Earth separation 1.39086 au
Desc. node-Earth separation -0.62994 au
Earth MOID 0.11604 au
Orbital period 1159.36 days
Date of orbit computation   ago 8 14:38
Observational summary
Optical observations (Discarded) 3117 (4)
Radar observations (Discarded) 0 (0)
Arc length 17399 days
Unobserved 10 days

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Ephemeris
(Epoch 59808 MJD)
Right Ascension 98.8873 deg
Declination 30.8711 deg
V Magnitude 18.9 mag
Solar Elongation 46.59 deg
Galactic Latitude 10.43 deg
Rate 0.331 deg/day
Direction 88.061 deg

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