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(553579) 2011SB221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.96529 1.177e-08 au
e 0.123663 6.516e-08
i 22.276 1.237e-05 deg
Ω 183.582 1.244e-05 deg
ω 119.012 5.059e-05 deg
M 245.762 4.642e-05 deg

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Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7223 au
Aphelion 2.2083 au
Asc. node-Earth separation 1.06177 au
Desc. node-Earth separation 0.82392 au
Earth MOID 0.7807 au
Orbital period 1006.33 days
Date of orbit computation  feb 22 03:46
Observational summary
Optical observations (Discarded) 122 (0)
Radar observations (Discarded) 0 (0)
Arc length 4073.78 days
Unobserved 492 days

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Ephemeris at epoch 60398 MJD
Right Ascension 164.521 deg
Declination 0.63396 deg
V Magnitude 21.46 mag
Solar Elongation -156.42 deg
Galactic Latitude 52.03 deg
Rate 0.373 deg/day
Direction -28.168 deg

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