AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001WA81 ∴ Summary
Contact »
(186222) 2001WA81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.67592 1.32e-08 au
e 0.072621 5.715e-08
i 7.07 4.997e-06 deg
Ω 72.094 4.58e-05 deg
ω 289.872 5.736e-05 deg
M 92.37 3.451e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4816 au
Aphelion 2.8702 au
Asc. node-Earth separation 1.61275 au
Desc. node-Earth separation 1.71493 au
Earth MOID 1.49026 au
Orbital period 1598.85 days
Date of orbit computation  apr 23 20:28
Observational summary
Optical observations (Discarded) 357 (4)
Radar observations (Discarded) 0 (0)
Arc length 9052.91 days
Unobserved 113 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 90.1341 deg
Declination 27.0011 deg
V Magnitude 22.46 mag
Solar Elongation -55.25 deg
Galactic Latitude 1.85 deg
Rate 0.354 deg/day
Direction 89.017 deg

More info »