AstDyS-2

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AstDyS ∴ Objects ∴ 1997WK1 ∴ Summary
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(31157) 1997WK1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.72318 9.323e-09 au
e 0.077103 3.476e-08
i 4.451 3.71e-06 deg
Ω 313.633 4.067e-05 deg
ω 47.251 4.691e-05 deg
M 3.976 2.278e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5132 au
Aphelion 2.9331 au
Asc. node-Earth separation 1.55824 au
Desc. node-Earth separation 1.87147 au
Earth MOID 1.5119 au
Orbital period 1641.4 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2137 (13)
Radar observations (Discarded) 0 (0)
Arc length 10911.2 days
Unobserved 143 days

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Ephemeris at epoch 60426 MJD
Right Ascension 16.3463 deg
Declination 9.94342 deg
V Magnitude 19.73 mag
Solar Elongation 17.27 deg
Galactic Latitude -52.77 deg
Rate 0.456 deg/day
Direction 66.238 deg

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