AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998WB9 ∴ Summary
Contact »
(31367) 1998WB9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32935 7.956e-09 au
e 0.316159 3.656e-08
i 24.243 3.721e-06 deg
Ω 85.14 9.994e-06 deg
ω 256.985 1.155e-05 deg
M 134.477 9.642e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5929 au
Aphelion 3.0658 au
Asc. node-Earth separation 1.27375 au
Desc. node-Earth separation 0.94134 au
Earth MOID 0.74292 au
Orbital period 1298.53 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2356 (8)
Radar observations (Discarded) 0 (0)
Arc length 25968 days
Unobserved 40 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 124.419 deg
Declination 40.237 deg
V Magnitude 19.62 mag
Solar Elongation -81.94 deg
Galactic Latitude 32.97 deg
Rate 0.204 deg/day
Direction 118.977 deg

More info »