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AstDyS ∴ Objects ∴ 1998WJ18 ∴ Summary
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(28185) 1998WJ18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.24851 6.015e-09 au
e 0.099601 2.755e-08
i 4.5 3.235e-06 deg
Ω 292.92 3.999e-05 deg
ω 345.133 4.409e-05 deg
M 324.337 1.869e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0246 au
Aphelion 2.4725 au
Asc. node-Earth separation 1.01441 au
Desc. node-Earth separation 1.48032 au
Earth MOID 1.00829 au
Orbital period 1231.51 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2823 (12)
Radar observations (Discarded) 0 (0)
Arc length 10482.9 days
Unobserved 360 days

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Ephemeris at epoch 60418 MJD
Right Ascension 264.96 deg
Declination -28.7951 deg
V Magnitude 17.77 mag
Solar Elongation 122.39 deg
Galactic Latitude 1.15 deg
Rate 0.112 deg/day
Direction 98.764 deg

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