AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001WK4 ∴ Summary
Contact »
(131582) 2001WK4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.25287 8.302e-09 au
e 0.198833 3.54e-08
i 9.327 4.96e-06 deg
Ω 66.242 3.211e-05 deg
ω 55.091 3.651e-05 deg
M 168.088 1.7e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8049 au
Aphelion 2.7008 au
Asc. node-Earth separation 0.95713 au
Desc. node-Earth separation 1.42805 au
Earth MOID 0.83949 au
Orbital period 1235.1 days
Date of orbit computation  apr 23 20:16
Observational summary
Optical observations (Discarded) 651 (6)
Radar observations (Discarded) 0 (0)
Arc length 9915.91 days
Unobserved 291 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 324.572 deg
Declination -21.7976 deg
V Magnitude 22.03 mag
Solar Elongation 77.29 deg
Galactic Latitude -45.99 deg
Rate 0.272 deg/day
Direction 82.498 deg

More info »