NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
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(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 2.81902 1.12e-08 au
e 0.598836 2.843e-08
i 9.298 4.372e-06 deg
Ω 239.307 2.017e-05 deg
ω 207.204 2.139e-05 deg
M 99.828 2.726e-06 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1309 au
Aphelion 4.5071 au
Asc. node-Earth separation 2.85705 au
Desc. node-Earth separation 0.19207 au
Earth MOID 0.16058 au
Orbital period 1728.8 days
Date of orbit computation   Jun 10 23:52
Observational summary
Optical observations (Discarded) 1000 (0)
Radar observations (Discarded) 0 (0)
Arc length 7561 days
Unobserved 78 days

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Ephemeris at epoch 58683 MJD
Right Ascension 230.586 deg
Declination -17.3176 deg
V Magnitude 23.32 mag
Solar Elongation -116.87 deg
Galactic Latitude 32.43 deg
Rate 0.027 deg/day
Direction -53.695 deg

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