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NEODyS ∴ Objects ∴ Hephaistos ∴ Summary
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(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.15983 4.011e-09 au
e 0.837669 1.452e-08
i 11.559 2.877e-06 deg
Ω 27.562 1.006e-05 deg
ω 209.349 9.97e-06 deg
M 98.433 3.24e-06 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3506 au
Aphelion 3.9691 au
Asc. node-Earth separation 1.39257 au
Desc. node-Earth separation -0.63034 au
Earth MOID 0.11613 au
Orbital period 1159.38 days
Date of orbit computation   Dec 15 14:58
Observational summary
Optical observations (Discarded) 2380 (77)
Radar observations (Discarded) 0 (0)
Arc length 15702 days
Unobserved 38 days

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Ephemeris at epoch 58139 MJD
Right Ascension 31.38 deg
Declination 17.7711 deg
V Magnitude 19.8 mag
Solar Elongation -94.68 deg
Galactic Latitude -41.64 deg
Rate 0.039 deg/day
Direction 86.585 deg

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