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AstDyS ∴ Objects ∴ 2001US81 ∴ Summary
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(213385) 2001US81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08543 3.569e-08 au
e 0.137966 4.831e-08
i 17.316 8.049e-06 deg
Ω 41.278 2.03e-05 deg
ω 74.744 3.868e-05 deg
M 354.63 3.533e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6597 au
Aphelion 3.5111 au
Asc. node-Earth separation 1.92964 au
Desc. node-Earth separation 2.13285 au
Earth MOID 1.7385 au
Orbital period 1979.58 days
Date of orbit computation  feb 22 02:35
Observational summary
Optical observations (Discarded) 288 (0)
Radar observations (Discarded) 0 (0)
Arc length 8080.11 days
Unobserved 114 days

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Ephemeris at epoch 60397 MJD
Right Ascension 83.5695 deg
Declination 39.055 deg
V Magnitude 20.96 mag
Solar Elongation -77.83 deg
Galactic Latitude 3.38 deg
Rate 0.293 deg/day
Direction 96.006 deg

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