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AstDyS ∴ Objects ∴ 2008SW257 ∴ Summary
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(476642) 2008SW257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.98713 7.337e-08 au
e 0.173756 7.803e-08
i 13.109 1.248e-05 deg
Ω 20.41 3.985e-05 deg
ω 76.701 5.919e-05 deg
M 287.847 4.136e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 3.2943 au
Aphelion 4.6799 au
Asc. node-Earth separation 2.72137 au
Desc. node-Earth separation 3.02573 au
Earth MOID 2.34554 au
Orbital period 2907.96 days
Date of orbit computation  apr 23 21:31
Observational summary
Optical observations (Discarded) 140 (1)
Radar observations (Discarded) 0 (0)
Arc length 7483.21 days
Unobserved 220 days

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Ephemeris at epoch 60426 MJD
Right Ascension 13.9805 deg
Declination 3.61598 deg
V Magnitude 22.34 mag
Solar Elongation 21.76 deg
Galactic Latitude -59.24 deg
Rate 0.297 deg/day
Direction 63.181 deg

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