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AstDyS ∴ Objects ∴ 1997WY54 ∴ Summary
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(90981) 1997WY54  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36561 9.9e-09 au
e 0.177722 4.602e-08
i 2.083 4.63e-06 deg
Ω 118.928 0.0001367 deg
ω 284.792 0.0001377 deg
M 93.794 1.869e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9452 au
Aphelion 2.786 au
Asc. node-Earth separation 1.20747 au
Desc. node-Earth separation 1.38461 au
Earth MOID 0.95558 au
Orbital period 1328.97 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 513 (0)
Radar observations (Discarded) 0 (0)
Arc length 9609.78 days
Unobserved 66 days

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Ephemeris at epoch 60427 MJD
Right Ascension 143.724 deg
Declination 16.2601 deg
V Magnitude 21.59 mag
Solar Elongation -103.84 deg
Galactic Latitude 43.37 deg
Rate 0.162 deg/day
Direction 109.938 deg

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