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AstDyS ∴ Objects ∴ 1999WJ17 ∴ Summary
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(21969) 1999WJ17  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.33119 6.638e-09 au
e 0.06705 3.474e-08
i 6.046 3.362e-06 deg
Ω 222.168 3.26e-05 deg
ω 287.776 4.052e-05 deg
M 186.726 2.459e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1749 au
Aphelion 2.4875 au
Asc. node-Earth separation 1.26619 au
Desc. node-Earth separation 1.37827 au
Earth MOID 1.19428 au
Orbital period 1300.06 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2167 (13)
Radar observations (Discarded) 0 (0)
Arc length 15258.4 days
Unobserved 281 days

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Ephemeris at epoch 60418 MJD
Right Ascension 352.536 deg
Declination 1.22078 deg
V Magnitude 20.17 mag
Solar Elongation 34.7 deg
Galactic Latitude -55.56 deg
Rate 0.434 deg/day
Direction 66.77 deg

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