AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HD55 ∴ Summary
Contact »
(108266) 2001HD55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36156 1.047e-08 au
e 0.277554 3.32e-08
i 13.226 4.37e-06 deg
Ω 68.535 1.464e-05 deg
ω 273.882 1.682e-05 deg
M 22.376 9.807e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7061 au
Aphelion 3.017 au
Asc. node-Earth separation 1.15389 au
Desc. node-Earth separation 1.20779 au
Earth MOID 0.76047 au
Orbital period 1325.56 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 1491 (2)
Radar observations (Discarded) 0 (0)
Arc length 9100.87 days
Unobserved 168 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 34.224 deg
Declination 8.52226 deg
V Magnitude 18.95 mag
Solar Elongation 5.01 deg
Galactic Latitude -48.77 deg
Rate 0.614 deg/day
Direction 66.088 deg

More info »