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AstDyS ∴ Objects ∴ 1999WY18 ∴ Summary
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(121651) 1999WY18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08023 2.378e-08 au
e 0.143275 3.708e-08
i 4.582 4.205e-06 deg
Ω 60.664 6.611e-05 deg
ω 192.737 6.927e-05 deg
M 331.333 2.503e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6389 au
Aphelion 3.5215 au
Asc. node-Earth separation 2.52026 au
Desc. node-Earth separation 1.6348 au
Earth MOID 1.62455 au
Orbital period 1974.57 days
Date of orbit computation  apr 23 20:14
Observational summary
Optical observations (Discarded) 742 (6)
Radar observations (Discarded) 0 (0)
Arc length 8868.33 days
Unobserved 65 days

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Ephemeris at epoch 60426 MJD
Right Ascension 223.24 deg
Declination -14.0528 deg
V Magnitude 18.71 mag
Solar Elongation 170.63 deg
Galactic Latitude 39.35 deg
Rate 0.196 deg/day
Direction -80.426 deg

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