AstDyS-2

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AstDyS ∴ Objects ∴ 1997WJ20 ∴ Summary
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(17713) 1997WJ20  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.40129 1.272e-08 au
e 0.081377 4.133e-08
i 4.496 4.67e-06 deg
Ω 218.723 5.91e-05 deg
ω 250.938 6.644e-05 deg
M 173.043 3.101e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2059 au
Aphelion 2.5967 au
Asc. node-Earth separation 1.44182 au
Desc. node-Earth separation 1.33092 au
Earth MOID 1.22635 au
Orbital period 1359.14 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 949 (4)
Radar observations (Discarded) 0 (0)
Arc length 9041.47 days
Unobserved 191 days

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Ephemeris at epoch 58503 MJD
Right Ascension 306.439 deg
Declination -15.8712 deg
V Magnitude 20.22 mag
Solar Elongation -6.43 deg
Galactic Latitude -27.85 deg
Rate 0.445 deg/day
Direction 76.437 deg

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