NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
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(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.81533 1.148e-08 au
e 0.599269 2.908e-08
i 9.301 4.385e-06 deg
Ω 239.305 2.031e-05 deg
ω 207.087 2.159e-05 deg
M 58.296 2.703e-06 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1282 au
Aphelion 4.5025 au
Asc. node-Earth separation 2.8552 au
Desc. node-Earth separation 0.1884 au
Earth MOID 0.15719 au
Orbital period 1725.41 days
Date of orbit computation   Dec 13 15:40
Observational summary
Optical observations (Discarded) 997 (0)
Radar observations (Discarded) 0 (0)
Arc length 7212 days
Unobserved 344 days

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Ephemeris at epoch 58599 MJD
Right Ascension 244.352 deg
Declination -21.5263 deg
V Magnitude 22.57 mag
Solar Elongation 148.97 deg
Galactic Latitude 20.37 deg
Rate 0.178 deg/day
Direction -74.123 deg

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