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AstDyS ∴ Objects ∴ 2001ST21 ∴ Summary
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(109904) 2001ST21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54022 7.398e-09 au
e 0.146468 2.543e-08
i 4.753 2.752e-06 deg
Ω 84.666 9.725e-05 deg
ω 1.165 0.0001027 deg
M 147.174 3.652e-05 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1682 au
Aphelion 2.9123 au
Asc. node-Earth separation 1.18483 au
Desc. node-Earth separation 1.89628 au
Earth MOID 1.18482 au
Orbital period 1478.79 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 1312 (9)
Radar observations (Discarded) 0 (0)
Arc length 8804.02 days
Unobserved 339 days

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Ephemeris at epoch 60425 MJD
Right Ascension 259.197 deg
Declination -20.9106 deg
V Magnitude 20.15 mag
Solar Elongation 135 deg
Galactic Latitude 9.84 deg
Rate 0.082 deg/day
Direction -92.865 deg

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