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AstDyS ∴ Objects ∴ 2001XD221 ∴ Summary
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(146772) 2001XD221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77046 1.847e-08 au
e 0.055013 4.654e-08
i 4.38 6.131e-06 deg
Ω 18.235 6.464e-05 deg
ω 111.738 8.687e-05 deg
M 231.251 5.703e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6181 au
Aphelion 2.9229 au
Asc. node-Earth separation 1.82209 au
Desc. node-Earth separation 1.70562 au
Earth MOID 1.63688 au
Orbital period 1684.33 days
Date of orbit computation  apr 23 20:19
Observational summary
Optical observations (Discarded) 454 (6)
Radar observations (Discarded) 0 (0)
Arc length 8428.98 days
Unobserved 188 days

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Ephemeris at epoch 60427 MJD
Right Ascension 10.3362 deg
Declination 3.42188 deg
V Magnitude 22.05 mag
Solar Elongation 26.07 deg
Galactic Latitude -59.35 deg
Rate 0.39 deg/day
Direction 65.516 deg

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