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AstDyS ∴ Objects ∴ Ussery ∴ Summary
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(17831) Ussery  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.67912 1.526e-08 au
e 0.063272 3.916e-08
i 2.39 5.504e-06 deg
Ω 129.983 0.0001103 deg
ω 305.978 0.0001216 deg
M 359.43 5.136e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5096 au
Aphelion 2.8486 au
Asc. node-Earth separation 1.5863 au
Desc. node-Earth separation 1.75619 au
Earth MOID 1.52485 au
Orbital period 1601.72 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1394 (8)
Radar observations (Discarded) 0 (0)
Arc length 9588.91 days
Unobserved 379 days

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Ephemeris at epoch 58503 MJD
Right Ascension 90.8914 deg
Declination 21.6603 deg
V Magnitude 17.87 mag
Solar Elongation -151.42 deg
Galactic Latitude -0.18 deg
Rate 0.158 deg/day
Direction -81.838 deg

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