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AstDyS ∴ Objects ∴ 1997WK21 ∴ Summary
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(29498) 1997WK21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76304 1.019e-08 au
e 0.045602 3.312e-08
i 4.774 3.818e-06 deg
Ω 195.501 3.933e-05 deg
ω 119.703 5.947e-05 deg
M 18.243 4.655e-05 deg

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Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.637 au
Aphelion 2.889 au
Asc. node-Earth separation 1.82054 au
Desc. node-Earth separation 1.69811 au
Earth MOID 1.62745 au
Orbital period 1677.56 days
Date of orbit computation  feb 22 01:56
Observational summary
Optical observations (Discarded) 2466 (18)
Radar observations (Discarded) 0 (0)
Arc length 9865.09 days
Unobserved 237 days

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Ephemeris at epoch 60416 MJD
Right Ascension 351.308 deg
Declination -1.34834 deg
V Magnitude 19.36 mag
Solar Elongation 34.74 deg
Galactic Latitude -56.96 deg
Rate 0.415 deg/day
Direction 67.855 deg

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