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AstDyS ∴ Objects ∴ 1998WB9 ∴ Summary
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(31367) 1998WB9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32935 7.977e-09 au
e 0.316159 3.662e-08
i 24.243 3.733e-06 deg
Ω 85.14 1.004e-05 deg
ω 256.985 1.159e-05 deg
M 134.477 9.644e-06 deg

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Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5929 au
Aphelion 3.0658 au
Asc. node-Earth separation 1.27375 au
Desc. node-Earth separation 0.94134 au
Earth MOID 0.74292 au
Orbital period 1298.53 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2287 (8)
Radar observations (Discarded) 0 (0)
Arc length 25924.1 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 119.734 deg
Declination 42.8343 deg
V Magnitude 19.24 mag
Solar Elongation -104.45 deg
Galactic Latitude 29.96 deg
Rate 0.095 deg/day
Direction 144.898 deg

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