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AstDyS ∴ Objects ∴ 1989WD ∴ Summary
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(8359) 1989WD  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34994 5.684e-09 au
e 0.06679 3.236e-08
i 7.632 2.664e-06 deg
Ω 63.156 2.212e-05 deg
ω 128.686 2.795e-05 deg
M 69.26 1.91e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.193 au
Aphelion 2.5069 au
Asc. node-Earth separation 1.45517 au
Desc. node-Earth separation 1.23283 au
Earth MOID 1.1994 au
Orbital period 1315.78 days
Date of orbit computation  feb 22 01:51
Observational summary
Optical observations (Discarded) 5564 (318)
Radar observations (Discarded) 0 (0)
Arc length 12315 days
Unobserved 281 days

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Ephemeris at epoch 60423 MJD
Right Ascension 303.692 deg
Declination -24.5008 deg
V Magnitude 18.06 mag
Solar Elongation 92.57 deg
Galactic Latitude -28.5 deg
Rate 0.27 deg/day
Direction 90.726 deg

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