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AstDyS ∴ Objects ∴ 1998US39 ∴ Summary
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(118306) 1998US39  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.32065 1.417e-08 au
e 0.236016 8.126e-08
i 1.251 6.226e-06 deg
Ω 242.608 0.000346 deg
ω 92.64 0.0003463 deg
M 267.675 1.453e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7729 au
Aphelion 2.8684 au
Asc. node-Earth separation 1.20001 au
Desc. node-Earth separation 1.18157 au
Earth MOID 0.7629 au
Orbital period 1291.25 days
Date of orbit computation  Oct 31 06:10
Observational summary
Optical observations (Discarded) 391 (4)
Radar observations (Discarded) 0 (0)
Arc length 9654.87 days
Unobserved 280 days

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Ephemeris at epoch 58503 MJD
Right Ascension 260.173 deg
Declination -23.0943 deg
V Magnitude 21.47 mag
Solar Elongation 38.39 deg
Galactic Latitude 7.87 deg
Rate 0.51 deg/day
Direction 93.317 deg

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