AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008HH57 ∴ Summary
Contact »
(418389) 2008HH57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.628 1.883e-08 au
e 0.012138 4.834e-08
i 12.596 5.792e-06 deg
Ω 142.43 2.763e-05 deg
ω 146.658 0.0002959 deg
M 200.797 0.0002935 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5961 au
Aphelion 2.6599 au
Asc. node-Earth separation 1.66791 au
Desc. node-Earth separation 1.58877 au
Earth MOID 1.58538 au
Orbital period 1556.1 days
Date of orbit computation  feb 22 03:18
Observational summary
Optical observations (Discarded) 195 (1)
Radar observations (Discarded) 0 (0)
Arc length 8150.95 days
Unobserved 74 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 108.277 deg
Declination 18.9228 deg
V Magnitude 22.16 mag
Solar Elongation -99.8 deg
Galactic Latitude 13.14 deg
Rate 0.175 deg/day
Direction 71.749 deg

More info »