NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Hephaistos ∴ Summary
Contact »
(2212) Hephaistos  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.15959 5.983e-09 au
e 0.837643 2.334e-08
i 11.56 4.593e-06 deg
Ω 27.562 1.837e-05 deg
ω 209.347 1.817e-05 deg
M 36.342 4.868e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3506 au
Aphelion 3.9686 au
Asc. node-Earth separation 1.39312 au
Desc. node-Earth separation -0.63158 au
Earth MOID 0.11617 au
Orbital period 1159.19 days
Date of orbit computation   Nov 18 15:32
Observational summary
Optical observations (Discarded) 2207 (12)
Radar observations (Discarded) 0 (0)
Arc length 15022 days
Unobserved 417 days

More info »
Ephemeris at epoch 57838 MJD
Right Ascension 18.9613 deg
Declination 7.9137 deg
V Magnitude 18.16 mag
Solar Elongation -15.2 deg
Galactic Latitude -54.46 deg
Rate 0.406 deg/day
Direction 65.005 deg

More info »





This Web Site has been visited 320259 times since

and this Page has been visited 8343 times since 2011/06/25