AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999AW18 ∴ Summary
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(121011) 1999AW18  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.25704 2.027e-08 au
e 0.208455 8.058e-08
i 6.305 9.344e-06 deg
Ω 289.881 6.563e-05 deg
ω 62.452 7.034e-05 deg
M 40.842 3.425e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7865 au
Aphelion 2.7275 au
Asc. node-Earth separation 0.95153 au
Desc. node-Earth separation 1.40515 au
Earth MOID 0.79034 au
Orbital period 1238.53 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 301 (3)
Radar observations (Discarded) 0 (0)
Arc length 7207.95 days
Unobserved 196 days

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Ephemeris at epoch 58566 MJD
Right Ascension 79.363 deg
Declination 23.6424 deg
V Magnitude 21.46 mag
Solar Elongation -77.46 deg
Galactic Latitude -8.17 deg
Rate 0.346 deg/day
Direction 91.037 deg

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