AstDyS-2

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AstDyS ∴ Objects ∴ 1997WW20 ∴ Summary
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(90963) 1997WW20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34422 6.985e-09 au
e 0.194582 2.856e-08
i 5.058 3.493e-06 deg
Ω 76.98 4.678e-05 deg
ω 31.707 4.869e-05 deg
M 89.284 1.253e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8881 au
Aphelion 2.8004 au
Asc. node-Earth separation 0.95107 au
Desc. node-Earth separation 1.68758 au
Earth MOID 0.90746 au
Orbital period 1310.98 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1435 (320)
Radar observations (Discarded) 0 (0)
Arc length 10236.9 days
Unobserved 367 days

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Ephemeris at epoch 60419 MJD
Right Ascension 233.534 deg
Declination -14.6987 deg
V Magnitude 20.03 mag
Solar Elongation 153.96 deg
Galactic Latitude 32.49 deg
Rate 0.203 deg/day
Direction -80.45 deg

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