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AstDyS ∴ Objects ∴ 1997WH22 ∴ Summary
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(200140) 1997WH22  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.06382 1.666e-08 au
e 0.329262 4.5e-08
i 11.589 5.443e-06 deg
Ω 260.439 3.023e-05 deg
ω 122.067 3.166e-05 deg
M 338.172 1.129e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.055 au
Aphelion 4.0726 au
Asc. node-Earth separation 2.29446 au
Desc. node-Earth separation 1.34162 au
Earth MOID 1.08635 au
Orbital period 1958.82 days
Date of orbit computation  feb 22 02:33
Observational summary
Optical observations (Discarded) 593 (2)
Radar observations (Discarded) 0 (0)
Arc length 8946.57 days
Unobserved 674 days

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Ephemeris at epoch 60398 MJD
Right Ascension 345.321 deg
Declination 2.45319 deg
V Magnitude 19.9 mag
Solar Elongation 22.44 deg
Galactic Latitude -50.26 deg
Rate 0.541 deg/day
Direction 65.282 deg

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