AstDyS-2

Asteroids - Dynamic Site
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(18555) Courant  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.8313 1.743e-08 au
e 0.037965 3.949e-08
i 1.244 5.184e-06 deg
Ω 332.634 0.0001995 deg
ω 108.405 0.0002125 deg
M 257.795 7.257e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7238 au
Aphelion 2.9388 au
Asc. node-Earth separation 1.85051 au
Desc. node-Earth separation 1.80324 au
Earth MOID 1.73894 au
Orbital period 1740.11 days
Date of orbit computation  Oct 31 05:08
Observational summary
Optical observations (Discarded) 1217 (4)
Radar observations (Discarded) 0 (0)
Arc length 10212.1 days
Unobserved 44 days

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Ephemeris at epoch 58439 MJD
Right Ascension 324.523 deg
Declination -13.884 deg
V Magnitude 19.89 mag
Solar Elongation -87.91 deg
Galactic Latitude -43.14 deg
Rate 0.218 deg/day
Direction 70.19 deg

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