AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999FW4 ∴ Summary
Contact »
(17896) 1999FW4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.23933 5.763e-09 au
e 0.08875 3.67e-08
i 3.315 4.107e-06 deg
Ω 16.381 5.5e-05 deg
ω 197.847 5.968e-05 deg
M 150.771 2.422e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0406 au
Aphelion 2.4381 au
Asc. node-Earth separation 1.42863 au
Desc. node-Earth separation 1.04794 au
Earth MOID 1.03441 au
Orbital period 1223.98 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2608 (6)
Radar observations (Discarded) 0 (0)
Arc length 11588.2 days
Unobserved 152 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 16.7757 deg
Declination 7.02752 deg
V Magnitude 19.81 mag
Solar Elongation 9.97 deg
Galactic Latitude -55.63 deg
Rate 0.461 deg/day
Direction 66.347 deg

More info »