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AstDyS ∴ Objects ∴ 1997WA7 ∴ Summary
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(17711) 1997WA7  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.5902 1.494e-08 au
e 0.194893 5.382e-08
i 15.195 6.015e-06 deg
Ω 95.975 1.809e-05 deg
ω 192.236 2.214e-05 deg
M 183.241 1.396e-05 deg

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Other useful info
Absolute Magnitude (H)    12.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0854 au
Aphelion 3.095 au
Asc. node-Earth separation 2.09386 au
Desc. node-Earth separation 1.07551 au
Earth MOID 1.06996 au
Orbital period 1522.65 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1583 (3)
Radar observations (Discarded) 0 (0)
Arc length 25353.2 days
Unobserved 121 days

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Ephemeris at epoch 58505 MJD
Right Ascension 135.277 deg
Declination 29.0776 deg
V Magnitude 16.78 mag
Solar Elongation 165.96 deg
Galactic Latitude 39.69 deg
Rate 0.245 deg/day
Direction -57.184 deg

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