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AstDyS ∴ Objects ∴ 2001US228 ∴ Summary
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(640619) 2001US228  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.66489 2.32e-08 au
e 0.04848 1.015e-07
i 21.585 1.126e-05 deg
Ω 212.287 1.649e-05 deg
ω 217.029 9.043e-05 deg
M 11.882 8.79e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5357 au
Aphelion 2.7941 au
Asc. node-Earth separation 1.76033 au
Desc. node-Earth separation 1.56608 au
Earth MOID 1.56078 au
Orbital period 1588.97 days
Date of orbit computation  feb 22 04:02
Observational summary
Optical observations (Discarded) 189 (2)
Radar observations (Discarded) 0 (0)
Arc length 8134.9 days
Unobserved 109 days

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Ephemeris at epoch 60423 MJD
Right Ascension 71.638 deg
Declination 8.36181 deg
V Magnitude 21.98 mag
Solar Elongation -40.35 deg
Galactic Latitude -22.96 deg
Rate 0.418 deg/day
Direction 83.718 deg

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