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AstDyS ∴ Objects ∴ 2003US221 ∴ Summary
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(183618) 2003US221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36811 1.062e-08 au
e 0.2297 4.205e-08
i 3.282 4.222e-06 deg
Ω 114.86 9.423e-05 deg
ω 191.749 9.502e-05 deg
M 279.833 1.13e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8242 au
Aphelion 2.9121 au
Asc. node-Earth separation 1.91072 au
Desc. node-Earth separation 0.81518 au
Earth MOID 0.80913 au
Orbital period 1331.07 days
Date of orbit computation  feb 22 02:29
Observational summary
Optical observations (Discarded) 525 (1)
Radar observations (Discarded) 0 (0)
Arc length 11075.8 days
Unobserved 443 days

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Ephemeris at epoch 60416 MJD
Right Ascension 203.319 deg
Declination -3.61256 deg
V Magnitude 19.89 mag
Solar Elongation -173.44 deg
Galactic Latitude 57.64 deg
Rate 0.264 deg/day
Direction -67.816 deg

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