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AstDyS ∴ Objects ∴ 1997WH20 ∴ Summary
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(100658) 1997WH20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.78855 1.489e-08 au
e 0.152509 5.439e-08
i 3.497 5.847e-06 deg
Ω 204.917 6.958e-05 deg
ω 355.098 7.104e-05 deg
M 101.996 1.66e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3633 au
Aphelion 3.2138 au
Asc. node-Earth separation 1.36119 au
Desc. node-Earth separation 2.21615 au
Earth MOID 1.36094 au
Orbital period 1700.85 days
Date of orbit computation  apr 23 20:09
Observational summary
Optical observations (Discarded) 660 (3)
Radar observations (Discarded) 0 (0)
Arc length 9357.97 days
Unobserved 290 days

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Ephemeris at epoch 60425 MJD
Right Ascension 339.793 deg
Declination -5.6251 deg
V Magnitude 21.62 mag
Solar Elongation 55.77 deg
Galactic Latitude -51.9 deg
Rate 0.313 deg/day
Direction 67.24 deg

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