AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998WD4 ∴ Summary
Contact »
(66175) 1998WD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37065 6.086e-09 au
e 0.216645 3.346e-08
i 2.701 3.587e-06 deg
Ω 166.908 7.326e-05 deg
ω 194.275 7.374e-05 deg
M 28.068 9.609e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8571 au
Aphelion 2.8842 au
Asc. node-Earth separation 1.86752 au
Desc. node-Earth separation 0.86075 au
Earth MOID 0.85412 au
Orbital period 1333.21 days
Date of orbit computation  apr 23 20:00
Observational summary
Optical observations (Discarded) 1461 (12)
Radar observations (Discarded) 0 (0)
Arc length 9652 days
Unobserved 201 days

More info »
Ephemeris at epoch 60461 MJD
Right Ascension 66.2392 deg
Declination 19.8327 deg
V Magnitude 19.86 mag
Solar Elongation 2.67 deg
Galactic Latitude -20.16 deg
Rate 0.546 deg/day
Direction 81.054 deg

More info »