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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 60200.0 MJD)
Value 1-σ variation Units
a 2.16129 3.793e-09 au
e 0.837387 2.17e-08
i 11.54 4.652e-06 deg
Ω 27.501 1.521e-05 deg
ω 209.43 1.502e-05 deg
M 61.576 2.556e-06 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3515 au
Aphelion distance 3.9711 au
Asc. node-Earth separation 1.38951 au
Desc. node-Earth separation -0.63181 au
Earth MOID 0.11598 au
Orbital period 1160.56 days
Date of orbit computation   Nov 21 13:55
Observational summary
Optical observations (Discarded) 3740 (5)
Radar observations (Discarded) 0 (0)
Arc length 17867 days
Unobserved 14 days

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Ephemeris
(Epoch 60280 MJD)
Right Ascension 24.3141 deg
Declination 13.5318 deg
V Magnitude 18.55 mag
Solar Elongation -138.16 deg
Galactic Latitude -47.85 deg
Rate 0.183 deg/day
Direction -110.007 deg

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