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AstDyS ∴ Objects ∴ 1997WP18 ∴ Summary
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(200138) 1997WP18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37747 9.854e-09 au
e 0.174259 5.05e-08
i 2.235 5.202e-06 deg
Ω 97.474 0.0001343 deg
ω 324.863 0.0001354 deg
M 62.477 1.568e-05 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9632 au
Aphelion 2.7918 au
Asc. node-Earth separation 1.03471 au
Desc. node-Earth separation 1.67235 au
Earth MOID 0.97707 au
Orbital period 1338.97 days
Date of orbit computation  feb 22 02:33
Observational summary
Optical observations (Discarded) 403 (0)
Radar observations (Discarded) 0 (0)
Arc length 9565.1 days
Unobserved 79 days

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Ephemeris at epoch 60420 MJD
Right Ascension 126.754 deg
Declination 21.253 deg
V Magnitude 21.76 mag
Solar Elongation -93.84 deg
Galactic Latitude 30.08 deg
Rate 0.279 deg/day
Direction 104.728 deg

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