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AstDyS ∴ Objects ∴ 1998US4 ∴ Summary
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(23945) 1998US4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.13461 1.73e-08 au
e 0.119575 6.319e-08
i 23.746 5.93e-06 deg
Ω 336.609 9.71e-06 deg
ω 185.515 1.918e-05 deg
M 19.789 1.797e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7598 au
Aphelion 3.5094 au
Asc. node-Earth separation 2.49795 au
Desc. node-Earth separation 1.7715 au
Earth MOID 1.76988 au
Orbital period 2027.09 days
Date of orbit computation  apr 23 19:51
Observational summary
Optical observations (Discarded) 1817 (66)
Radar observations (Discarded) 0 (0)
Arc length 10199.9 days
Unobserved 34 days

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Ephemeris at epoch 60426 MJD
Right Ascension 169.456 deg
Declination -17.0737 deg
V Magnitude 18.02 mag
Solar Elongation -137.34 deg
Galactic Latitude 40.31 deg
Rate 0.109 deg/day
Direction -77.227 deg

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