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AstDyS ∴ Objects ∴ 2009WB257 ∴ Summary
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(419360) 2009WB257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.98035 3.556e-08 au
e 0.111385 6.988e-08
i 10.038 7.079e-06 deg
Ω 254.694 3.391e-05 deg
ω 158.047 4.515e-05 deg
M 302.592 2.835e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6484 au
Aphelion 3.3123 au
Asc. node-Earth separation 2.26768 au
Desc. node-Earth separation 1.68334 au
Earth MOID 1.66335 au
Orbital period 1879.31 days
Date of orbit computation  feb 22 03:19
Observational summary
Optical observations (Discarded) 225 (3)
Radar observations (Discarded) 0 (0)
Arc length 5374.34 days
Unobserved 307 days

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Ephemeris at epoch 60419 MJD
Right Ascension 355.534 deg
Declination 6.53508 deg
V Magnitude 22.06 mag
Solar Elongation 31.46 deg
Galactic Latitude -52.39 deg
Rate 0.402 deg/day
Direction 64.738 deg

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