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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 2.15924 6.6e-09 au
e 0.837583 2.727e-08
i 11.549 5.781e-06 deg
Ω 27.528 1.756e-05 deg
ω 209.402 1.744e-05 deg
M 111.035 6.351e-06 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.3507 au
Aphelion distance 3.9678 au
Asc. node-Earth separation 1.38713 au
Desc. node-Earth separation -0.63239 au
Earth MOID 0.11583 au
Orbital period 1158.91 days
Date of orbit computation   Mar 19 10:54
Observational summary
Optical observations (Discarded) 2942 (4)
Radar observations (Discarded) 0 (0)
Arc length 16881 days
Unobserved 36 days

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Ephemeris
(Epoch 59316 MJD)
Right Ascension 41.5824 deg
Declination 20.0223 deg
V Magnitude 20.13 mag
Solar Elongation -23.49 deg
Galactic Latitude -35.25 deg
Rate 0.232 deg/day
Direction 71.942 deg

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