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(515020) 2009SD221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.10601 3.068e-08 au
e 0.189114 5.724e-08
i 5.499 7.188e-06 deg
Ω 243.199 8.188e-05 deg
ω 26.553 8.746e-05 deg
M 297.821 2.789e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5186 au
Aphelion 3.6934 au
Asc. node-Earth separation 1.54862 au
Desc. node-Earth separation 2.61873 au
Earth MOID 1.50389 au
Orbital period 1999.42 days
Date of orbit computation  apr 23 21:39
Observational summary
Optical observations (Discarded) 155 (0)
Radar observations (Discarded) 0 (0)
Arc length 9313.21 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 177.71 deg
Declination -5.77857 deg
V Magnitude 21.25 mag
Solar Elongation -144.78 deg
Galactic Latitude 53.98 deg
Rate 0.133 deg/day
Direction -49.393 deg

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