AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009WS198 ∴ Summary
Contact »
(331099) 2009WS198  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.02916 3.485e-08 au
e 0.12574 6.516e-08
i 11.537 6.48e-06 deg
Ω 102.363 3.52e-05 deg
ω 256.434 4.465e-05 deg
M 314.058 3.128e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6483 au
Aphelion 3.4101 au
Asc. node-Earth separation 2.08908 au
Desc. node-Earth separation 1.87931 au
Earth MOID 1.67346 au
Orbital period 1925.67 days
Date of orbit computation  feb 22 03:00
Observational summary
Optical observations (Discarded) 288 (2)
Radar observations (Discarded) 0 (0)
Arc length 8596.81 days
Unobserved 296 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 327.996 deg
Declination -17.2981 deg
V Magnitude 21.57 mag
Solar Elongation 64.9 deg
Galactic Latitude -47.55 deg
Rate 0.34 deg/day
Direction 79.207 deg

More info »