AstDyS-2

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(16490) 1990ST2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26905 6.59e-09 au
e 0.23483 3.789e-08
i 2.072 3.892e-06 deg
Ω 39.927 7.959e-05 deg
ω 309.731 7.999e-05 deg
M 301.207 1.088e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7362 au
Aphelion 2.8019 au
Asc. node-Earth separation 0.87225 au
Desc. node-Earth separation 1.5159 au
Earth MOID 0.73094 au
Orbital period 1248.43 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2376 (26)
Radar observations (Discarded) 0 (0)
Arc length 18121.2 days
Unobserved 320 days

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Ephemeris at epoch 60425 MJD
Right Ascension 305.563 deg
Declination -21.4342 deg
V Magnitude 18.85 mag
Solar Elongation 92.15 deg
Galactic Latitude -29.1 deg
Rate 0.389 deg/day
Direction 79.763 deg

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