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AstDyS ∴ Objects ∴ 1998ST50 ∴ Summary
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(22721) 1998ST50  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.13184 1.425e-08 au
e 0.177414 4.094e-08
i 3.785 4.464e-06 deg
Ω 9.278 4.845e-05 deg
ω 168.171 4.925e-05 deg
M 73.947 1.009e-05 deg

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Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5762 au
Aphelion 3.6875 au
Asc. node-Earth separation 2.67056 au
Desc. node-Earth separation 1.58585 au
Earth MOID 1.5807 au
Orbital period 2024.4 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2293 (7)
Radar observations (Discarded) 0 (0)
Arc length 12600.5 days
Unobserved 287 days

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Ephemeris at epoch 60425 MJD
Right Ascension 297.561 deg
Declination -25.3391 deg
V Magnitude 19.28 mag
Solar Elongation 100.13 deg
Galactic Latitude -23.53 deg
Rate 0.122 deg/day
Direction 89.599 deg

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