AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Hirado ∴ Summary
Contact »
(22277) Hirado  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5999 1.013e-08 au
e 0.1702 3.174e-08
i 13.057 3.635e-06 deg
Ω 60.958 1.575e-05 deg
ω 290.325 1.99e-05 deg
M 357.571 1.322e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1574 au
Aphelion 3.0424 au
Asc. node-Earth separation 1.39688 au
Desc. node-Earth separation 1.67095 au
Earth MOID 1.19354 au
Orbital period 1531.2 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2563 (222)
Radar observations (Discarded) 0 (0)
Arc length 14887.4 days
Unobserved 242 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 8.08022 deg
Declination -5.78756 deg
V Magnitude 19.04 mag
Solar Elongation 24.45 deg
Galactic Latitude -68.18 deg
Rate 0.533 deg/day
Direction 65.472 deg

More info »