AstDyS-2

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AstDyS ∴ Objects ∴ 1998WR9 ∴ Summary
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(25287) 1998WR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.74473 9.569e-09 au
e 0.105571 3.667e-08
i 1.367 3.675e-06 deg
Ω 217.147 0.0001503 deg
ω 109.347 0.0001512 deg
M 285.714 1.586e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.455 au
Aphelion 3.0345 au
Asc. node-Earth separation 1.80519 au
Desc. node-Earth separation 1.63081 au
Earth MOID 1.44345 au
Orbital period 1660.92 days
Date of orbit computation  apr 23 19:51
Observational summary
Optical observations (Discarded) 2082 (8)
Radar observations (Discarded) 0 (0)
Arc length 10949.7 days
Unobserved 339 days

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Ephemeris at epoch 60426 MJD
Right Ascension 261.133 deg
Declination -22.2431 deg
V Magnitude 18.82 mag
Solar Elongation 134.12 deg
Galactic Latitude 7.6 deg
Rate 0.038 deg/day
Direction -68.54 deg

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