NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
Contact »
(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.81335 4.687e-08 au
e 0.599247 8.618e-08
i 9.301 1.267e-05 deg
Ω 239.317 0.0001029 deg
ω 207.055 0.0001062 deg
M 293.043 3.366e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1275 au
Aphelion 4.4992 au
Asc. node-Earth separation 2.85492 au
Desc. node-Earth separation 0.18861 au
Earth MOID 0.1575 au
Orbital period 1723.59 days
Date of orbit computation   Nov 18 15:36
Observational summary
Optical observations (Discarded) 173 (0)
Radar observations (Discarded) 0 (0)
Arc length 5757 days
Unobserved 1042 days

More info »
Ephemeris at epoch 57842 MJD
Right Ascension 329.691 deg
Declination -4.54372 deg
V Magnitude 22.23 mag
Solar Elongation 39.63 deg
Galactic Latitude -43.09 deg
Rate 0.363 deg/day
Direction 66.738 deg

More info »





This Web Site has been visited 102787 times since

and this Page has been visited 3438 times since 2012/09/10