AstDyS-2

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AstDyS ∴ Objects ∴ 1998WW31 ∴ Summary
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1998WW31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 44.9199 0.01285 au
e 0.082094 0.000139
i 6.776 0.0003041 deg
Ω 237.006 0.0003426 deg
ω 55.133 0.1263 deg
M 142.715 0.1361 deg

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Other useful info
Absolute Magnitude (H)    6.4 mag
Slope parameter (G)    0.15 mag
Perihelion 41.2323 au
Aphelion 48.6076 au
Asc. node-Earth separation 41.6041 au
Desc. node-Earth separation 45.8286 au
Earth MOID 40.2208 au
Orbital period 109966 days
Date of orbit computation  apr 24 01:19
Observational summary
Optical observations (Discarded) 38 (0)
Radar observations (Discarded) 0 (0)
Arc length 7647.26 days
Unobserved 1641 days

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Ephemeris at epoch 60425 MJD
Right Ascension 78.4821 deg
Declination 20.3856 deg
V Magnitude 23.35 mag
Solar Elongation -44.31 deg
Galactic Latitude -10.69 deg
Rate 0.017 deg/day
Direction 84.283 deg

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