NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
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(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.81379 8.745e-09 au
e 0.599215 4.707e-08
i 9.301 5.904e-06 deg
Ω 239.311 4.114e-05 deg
ω 207.046 4.118e-05 deg
M 334.821 4.638e-06 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1277 au
Aphelion 4.4999 au
Asc. node-Earth separation 2.85638 au
Desc. node-Earth separation 0.18891 au
Earth MOID 0.15814 au
Orbital period 1723.99 days
Date of orbit computation   Oct 19 15:01
Observational summary
Optical observations (Discarded) 315 (17)
Radar observations (Discarded) 0 (0)
Arc length 7001 days
Unobserved 4 days

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Ephemeris at epoch 58048 MJD
Right Ascension 1.77282 deg
Declination 19.7894 deg
V Magnitude 16.57 mag
Solar Elongation -154.6 deg
Galactic Latitude -41.87 deg
Rate 0.314 deg/day
Direction -146.878 deg

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