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AstDyS ∴ Objects ∴ 1997WJ20 ∴ Summary
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(17713) 1997WJ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40168 7.863e-09 au
e 0.080571 2.869e-08
i 4.498 3.747e-06 deg
Ω 218.683 4.524e-05 deg
ω 249.894 5.3e-05 deg
M 343.81 2.689e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2082 au
Aphelion 2.5952 au
Asc. node-Earth separation 1.44707 au
Desc. node-Earth separation 1.32993 au
Earth MOID 1.23019 au
Orbital period 1359.48 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 1708 (4)
Radar observations (Discarded) 0 (0)
Arc length 11052.2 days
Unobserved 101 days

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Ephemeris at epoch 60425 MJD
Right Ascension 78.0961 deg
Declination 19.9704 deg
V Magnitude 20.21 mag
Solar Elongation -43.94 deg
Galactic Latitude -11.22 deg
Rate 0.476 deg/day
Direction 85.428 deg

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