AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998RU4 ∴ Summary
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(52821) 1998RU4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.39906 1.128e-08 au
e 0.302288 4.349e-08
i 21.756 7.758e-06 deg
Ω 359.936 1.454e-05 deg
ω 94.784 3.068e-05 deg
M 88.409 1.573e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.6739 au
Aphelion 3.1243 au
Asc. node-Earth separation 1.23266 au
Desc. node-Earth separation 1.12849 au
Earth MOID 0.83813 au
Orbital period 1357.25 days
Date of orbit computation  Oct 31 05:29
Observational summary
Optical observations (Discarded) 879 (3)
Radar observations (Discarded) 0 (0)
Arc length 12686.6 days
Unobserved 283 days

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Ephemeris at epoch 58560 MJD
Right Ascension 263.966 deg
Declination -44.6217 deg
V Magnitude 20.69 mag
Solar Elongation 91.35 deg
Galactic Latitude -6.61 deg
Rate 0.203 deg/day
Direction 134.232 deg

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