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AstDyS ∴ Objects ∴ 1999US ∴ Summary
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(13409) 1999US  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08495 1.413e-08 au
e 0.117748 3.495e-08
i 3.363 3.595e-06 deg
Ω 133.017 6.187e-05 deg
ω 72.743 6.367e-05 deg
M 27.175 1.769e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7217 au
Aphelion 3.4482 au
Asc. node-Earth separation 1.95475 au
Desc. node-Earth separation 2.13783 au
Earth MOID 1.72024 au
Orbital period 1979.11 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 2695 (15)
Radar observations (Discarded) 0 (0)
Arc length 15802.2 days
Unobserved 301 days

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Ephemeris at epoch 60419 MJD
Right Ascension 260.199 deg
Declination -18.8619 deg
V Magnitude 18.06 mag
Solar Elongation 128.27 deg
Galactic Latitude 10.2 deg
Rate 0.017 deg/day
Direction -25.113 deg

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