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 8.443e-09 au
e 0.599215 4.147e-08
i 9.301 3.904e-06 deg
Ω 239.311 1.307e-05 deg
ω 207.046 1.552e-05 deg
M 334.821 3.41e-06 deg

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Other useful info
Absolute Magnitude (H)    16.7 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   Dec 14 14:58
Observational summary
Optical observations (Discarded) 576 (22)
Radar observations (Discarded) 0 (0)
Arc length 7057 days
Unobserved 2 days

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Ephemeris at epoch 58102 MJD
Right Ascension 15.0446 deg
Declination 1.67007 deg
V Magnitude 16.56 mag
Solar Elongation -111.48 deg
Galactic Latitude -61.12 deg
Rate 0.824 deg/day
Direction 109.019 deg

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