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AstDyS ∴ Objects ∴ 2001XY257 ∴ Summary
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(55554) 2001XY257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63059 1.144e-08 au
e 0.159376 3.564e-08
i 12.106 4.084e-06 deg
Ω 298.18 1.848e-05 deg
ω 345.925 2.216e-05 deg
M 187.653 1.385e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2113 au
Aphelion 3.0498 au
Asc. node-Earth separation 1.20456 au
Desc. node-Earth separation 2.04922 au
Earth MOID 1.19668 au
Orbital period 1558.39 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 2011 (7)
Radar observations (Discarded) 0 (0)
Arc length 25325 days
Unobserved 78 days

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Ephemeris at epoch 60425 MJD
Right Ascension 97.7477 deg
Declination 24.0403 deg
V Magnitude 20.43 mag
Solar Elongation -62.13 deg
Galactic Latitude 6.51 deg
Rate 0.276 deg/day
Direction 100.383 deg

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