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AstDyS ∴ Objects ∴ 1998ST31 ∴ Summary
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(356995) 1998ST31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.53244 1.547e-08 au
e 0.11411 1.808e-07
i 12.222 9.687e-06 deg
Ω 167.195 2.563e-05 deg
ω 182.804 3.955e-05 deg
M 116.372 3.204e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2435 au
Aphelion 2.8214 au
Asc. node-Earth separation 1.82865 au
Desc. node-Earth separation 1.23722 au
Earth MOID 1.23712 au
Orbital period 1472 days
Date of orbit computation  apr 23 21:05
Observational summary
Optical observations (Discarded) 278 (2)
Radar observations (Discarded) 0 (0)
Arc length 9276.07 days
Unobserved 71 days

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Ephemeris at epoch 60425 MJD
Right Ascension 103.282 deg
Declination 14.9167 deg
V Magnitude 22.37 mag
Solar Elongation -68.22 deg
Galactic Latitude 7.11 deg
Rate 0.318 deg/day
Direction 83.758 deg

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