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AstDyS ∴ Objects ∴ 2011UR221 ∴ Summary
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(448876) 2011UR221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77221 3.301e-08 au
e 0.087965 8.937e-08
i 4.651 8.079e-06 deg
Ω 40.056 9.273e-05 deg
ω 320.471 0.0001013 deg
M 273.695 3.788e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5284 au
Aphelion 3.0161 au
Asc. node-Earth separation 1.58449 au
Desc. node-Earth separation 1.94362 au
Earth MOID 1.52747 au
Orbital period 1685.92 days
Date of orbit computation  feb 22 03:25
Observational summary
Optical observations (Discarded) 182 (2)
Radar observations (Discarded) 0 (0)
Arc length 6577.99 days
Unobserved 339 days

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Ephemeris at epoch 60419 MJD
Right Ascension 291.335 deg
Declination -26.01 deg
V Magnitude 22.35 mag
Solar Elongation 99.94 deg
Galactic Latitude -18.53 deg
Rate 0.177 deg/day
Direction 93.167 deg

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