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AstDyS ∴ Objects ∴ 2011HW31 ∴ Summary
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(507286) 2011HW31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65755 5.242e-08 au
e 0.084978 7.364e-08
i 12.221 6.577e-06 deg
Ω 99.838 4.339e-05 deg
ω 144.604 9.379e-05 deg
M 339.175 9.828e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4317 au
Aphelion 2.8834 au
Asc. node-Earth separation 1.85211 au
Desc. node-Earth separation 1.45073 au
Earth MOID 1.42693 au
Orbital period 1582.41 days
Date of orbit computation  feb 22 03:37
Observational summary
Optical observations (Discarded) 125 (0)
Radar observations (Discarded) 0 (0)
Arc length 9003.15 days
Unobserved 432 days

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Ephemeris at epoch 60397 MJD
Right Ascension 239.412 deg
Declination -4.77768 deg
V Magnitude 21.29 mag
Solar Elongation 127.55 deg
Galactic Latitude 34.88 deg
Rate 0.049 deg/day
Direction 17.133 deg

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