AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998WK31 ∴ Summary
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(69989) 1998WK31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08136 1.78e-08 au
e 0.165424 3.968e-08
i 9.894 4.194e-06 deg
Ω 234.333 2.467e-05 deg
ω 122.191 2.761e-05 deg
M 292.507 1.303e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5716 au
Aphelion 3.5911 au
Asc. node-Earth separation 2.27551 au
Desc. node-Earth separation 1.76642 au
Earth MOID 1.58512 au
Orbital period 1975.66 days
Date of orbit computation  apr 23 20:01
Observational summary
Optical observations (Discarded) 1316 (5)
Radar observations (Discarded) 0 (0)
Arc length 8986.95 days
Unobserved 310 days

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Ephemeris at epoch 60426 MJD
Right Ascension 295.514 deg
Declination -13.8435 deg
V Magnitude 19.68 mag
Solar Elongation 100.88 deg
Galactic Latitude -17.36 deg
Rate 0.173 deg/day
Direction 56.729 deg

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