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AstDyS ∴ Objects ∴ 1998US39 ∴ Summary
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(118306) 1998US39  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31964 7.102e-09 au
e 0.236318 5.124e-08
i 1.253 3.742e-06 deg
Ω 242.54 0.0002265 deg
ω 92.756 0.0002267 deg
M 105.225 8.369e-06 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7715 au
Aphelion 2.8678 au
Asc. node-Earth separation 1.20089 au
Desc. node-Earth separation 1.1807 au
Earth MOID 0.7621 au
Orbital period 1290.41 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 790 (4)
Radar observations (Discarded) 0 (0)
Arc length 11768 days
Unobserved 86 days

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Ephemeris at epoch 60423 MJD
Right Ascension 90.2431 deg
Declination 22.6505 deg
V Magnitude 22.13 mag
Solar Elongation -57.23 deg
Galactic Latitude -0.22 deg
Rate 0.358 deg/day
Direction 90.087 deg

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