AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001WN55 ∴ Summary
Contact »
(217991) 2001WN55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.94971 5.682e-08 au
e 0.152869 5.289e-08
i 7.669 8.018e-06 deg
Ω 231.92 4.392e-05 deg
ω 245.601 5.396e-05 deg
M 252.186 2.956e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 3.3459 au
Aphelion 4.5535 au
Asc. node-Earth separation 3.10725 au
Desc. node-Earth separation 2.63953 au
Earth MOID 2.37292 au
Orbital period 2867.12 days
Date of orbit computation  feb 22 02:36
Observational summary
Optical observations (Discarded) 485 (20)
Radar observations (Discarded) 0 (0)
Arc length 8814.07 days
Unobserved 196 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 0.08101 deg
Declination 5.74467 deg
V Magnitude 21.55 mag
Solar Elongation 26.25 deg
Galactic Latitude -54.88 deg
Rate 0.267 deg/day
Direction 66.582 deg

More info »