NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
Contact »
(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.83634 1.381e-08 au
e 0.591134 2.488e-08
i 9.146 4.119e-06 deg
Ω 238.676 2.033e-05 deg
ω 207.861 2.107e-05 deg
M 306.691 3.581e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1597 au
Aphelion distance 4.513 au
Asc. node-Earth separation 2.85498 au
Desc. node-Earth separation 0.22442 au
Earth MOID 0.18849 au
Orbital period 1744.76 days
Date of orbit computation   apr 29 12:14
Observational summary
Optical observations (Discarded) 1009 (0)
Radar observations (Discarded) 0 (0)
Arc length 8362 days
Unobserved 314 days

More info »
Ephemeris
(Epoch 59720 MJD)
Right Ascension 11.2294 deg
Declination 11.7912 deg
V Magnitude 21.22 mag
Solar Elongation 45.06 deg
Galactic Latitude -51.05 deg
Rate 0.601 deg/day
Direction 67.531 deg

More info »