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AstDyS ∴ Objects ∴ 2011UR257 ∴ Summary
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(549881) 2011UR257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.87043 2.474e-08 au
e 0.076468 6.024e-08
i 2.663 4.986e-06 deg
Ω 45.079 0.0001352 deg
ω 298.591 0.0001407 deg
M 253.956 3.803e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6509 au
Aphelion 3.0899 au
Asc. node-Earth separation 1.76254 au
Desc. node-Earth separation 1.95353 au
Earth MOID 1.64427 au
Orbital period 1776.32 days
Date of orbit computation  feb 22 03:46
Observational summary
Optical observations (Discarded) 295 (1)
Radar observations (Discarded) 0 (0)
Arc length 7855.88 days
Unobserved 388 days

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Ephemeris at epoch 60418 MJD
Right Ascension 242.608 deg
Declination -21.579 deg
V Magnitude 21.58 mag
Solar Elongation 143.45 deg
Galactic Latitude 21.53 deg
Rate 0.105 deg/day
Direction -87.547 deg

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