AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998RU55 ∴ Summary
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(118283) 1998RU55  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.26584 1.203e-08 au
e 0.111504 4.151e-08
i 3.131 4.69e-06 deg
Ω 294.827 0.0001095 deg
ω 134.731 0.0001145 deg
M 258.735 3.588e-05 deg

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Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0132 au
Aphelion 2.5185 au
Asc. node-Earth separation 1.41092 au
Desc. node-Earth separation 1.09029 au
Earth MOID 1.02818 au
Orbital period 1245.79 days
Date of orbit computation  Oct 31 06:10
Observational summary
Optical observations (Discarded) 652 (4)
Radar observations (Discarded) 0 (0)
Arc length 7273.06 days
Unobserved 159 days

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Ephemeris at epoch 58503 MJD
Right Ascension 333.033 deg
Declination -9.2001 deg
V Magnitude 21.1 mag
Solar Elongation -32.35 deg
Galactic Latitude -48.38 deg
Rate 0.494 deg/day
Direction 68.824 deg

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