NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
Contact »
(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 2.83203 1.342e-08 au
e 0.592956 2.543e-08
i 9.177 4.207e-06 deg
Ω 238.978 2.049e-05 deg
ω 207.712 2.126e-05 deg
M 223.996 3.174e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1528 au
Aphelion distance 4.5113 au
Asc. node-Earth separation 2.85284 au
Desc. node-Earth separation 0.21608 au
Earth MOID 0.18147 au
Orbital period 1740.78 days
Date of orbit computation   Mar 19 10:36
Observational summary
Optical observations (Discarded) 1000 (0)
Radar observations (Discarded) 0 (0)
Arc length 7561 days
Unobserved 772 days

More info »
Ephemeris
(Epoch 59377 MJD)
Right Ascension 305.686 deg
Declination -9.55354 deg
V Magnitude 22.78 mag
Solar Elongation 134.49 deg
Galactic Latitude -24.59 deg
Rate 0.11 deg/day
Direction -78.84 deg

More info »