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AstDyS ∴ Objects ∴ 2001QY257 ∴ Summary
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(55172) 2001QY257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62848 8.174e-09 au
e 0.103822 3.106e-08
i 14.387 3.69e-06 deg
Ω 170.842 9.602e-06 deg
ω 224.706 1.771e-05 deg
M 82.313 1.445e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3556 au
Aphelion 2.9014 au
Asc. node-Earth separation 1.81397 au
Desc. node-Earth separation 1.41596 au
Earth MOID 1.37905 au
Orbital period 1556.52 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 3443 (163)
Radar observations (Discarded) 0 (0)
Arc length 9111.02 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 112.867 deg
Declination 12.8478 deg
V Magnitude 19.5 mag
Solar Elongation -83.52 deg
Galactic Latitude 14.61 deg
Rate 0.278 deg/day
Direction 79.668 deg

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