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AstDyS ∴ Objects ∴ 1981WE9 ∴ Summary
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(9928) 1981WE9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.21733 5.257e-09 au
e 0.176757 2.658e-08
i 2.848 2.942e-06 deg
Ω 179.398 6.141e-05 deg
ω 176.046 6.211e-05 deg
M 336.641 9.595e-06 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8254 au
Aphelion 2.6093 au
Asc. node-Earth separation 1.6122 au
Desc. node-Earth separation 0.823 au
Earth MOID 0.8207 au
Orbital period 1205.99 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 3417 (476)
Radar observations (Discarded) 0 (0)
Arc length 26276.5 days
Unobserved 275 days

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Ephemeris at epoch 60419 MJD
Right Ascension 350.429 deg
Declination -3.00748 deg
V Magnitude 19.2 mag
Solar Elongation 39.09 deg
Galactic Latitude -57.72 deg
Rate 0.603 deg/day
Direction 67.962 deg

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