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AstDyS ∴ Objects ∴ 1997WL31 ∴ Summary
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(120754) 1997WL31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.39788 7.164e-09 au
e 0.242692 4.359e-08
i 2.091 5.486e-06 deg
Ω 160.985 0.000114 deg
ω 229.4 0.0001148 deg
M 49.396 9.999e-06 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8159 au
Aphelion 2.9798 au
Asc. node-Earth separation 1.68887 au
Desc. node-Earth separation 0.94082 au
Earth MOID 0.82227 au
Orbital period 1356.25 days
Date of orbit computation  feb 22 02:15
Observational summary
Optical observations (Discarded) 898 (2)
Radar observations (Discarded) 0 (0)
Arc length 9552.95 days
Unobserved 94 days

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Ephemeris at epoch 60420 MJD
Right Ascension 88.3023 deg
Declination 22.0622 deg
V Magnitude 21.28 mag
Solar Elongation -58.36 deg
Galactic Latitude -2.07 deg
Rate 0.471 deg/day
Direction 87.932 deg

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