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AstDyS ∴ Objects ∴ 1997WP31 ∴ Summary
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(85537) 1997WP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63365 1.053e-08 au
e 0.082069 3.767e-08
i 13.607 3.783e-06 deg
Ω 234.048 1.724e-05 deg
ω 148.338 2.976e-05 deg
M 87.213 2.47e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4175 au
Aphelion 2.8498 au
Asc. node-Earth separation 1.8014 au
Desc. node-Earth separation 1.45706 au
Earth MOID 1.43281 au
Orbital period 1561.12 days
Date of orbit computation  apr 23 20:04
Observational summary
Optical observations (Discarded) 1612 (5)
Radar observations (Discarded) 0 (0)
Arc length 9573.96 days
Unobserved 70 days

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Ephemeris at epoch 60427 MJD
Right Ascension 103.686 deg
Declination 10.9274 deg
V Magnitude 20.28 mag
Solar Elongation -67.36 deg
Galactic Latitude 5.68 deg
Rate 0.328 deg/day
Direction 89.802 deg

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