AstDyS-2

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AstDyS ∴ Objects ∴ 1999WY18 ∴ Summary
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(121651) 1999WY18  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.07879 3.254e-08 au
e 0.144567 4.562e-08
i 4.586 5.246e-06 deg
Ω 60.704 8.97e-05 deg
ω 193.726 9.294e-05 deg
M 325.39 2.624e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6337 au
Aphelion 3.5239 au
Asc. node-Earth separation 2.51903 au
Desc. node-Earth separation 1.62949 au
Earth MOID 1.61794 au
Orbital period 1973.19 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 461 (4)
Radar observations (Discarded) 0 (0)
Arc length 6789.86 days
Unobserved 221 days

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Ephemeris at epoch 58503 MJD
Right Ascension 248.022 deg
Declination -21.3942 deg
V Magnitude 20.51 mag
Solar Elongation 49.76 deg
Galactic Latitude 17.88 deg
Rate 0.401 deg/day
Direction 100.63 deg

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