AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009WR171 ∴ Summary
Contact »
(332811) 2009WR171  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56625 2.218e-08 au
e 0.159903 7.023e-08
i 3.873 4.527e-06 deg
Ω 307.005 0.0001129 deg
ω 31.349 0.0001151 deg
M 239.476 2.153e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1559 au
Aphelion 2.9766 au
Asc. node-Earth separation 1.18504 au
Desc. node-Earth separation 1.91214 au
Earth MOID 1.14761 au
Orbital period 1501.57 days
Date of orbit computation  apr 23 21:00
Observational summary
Optical observations (Discarded) 311 (2)
Radar observations (Discarded) 0 (0)
Arc length 5811.14 days
Unobserved 899 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 200.698 deg
Declination -15.1325 deg
V Magnitude 21.15 mag
Solar Elongation -167.38 deg
Galactic Latitude 47.06 deg
Rate 0.229 deg/day
Direction -67.232 deg

More info »