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AstDyS ∴ Objects ∴ 1997WY57 ∴ Summary
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(58658) 1997WY57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.43552 1.088e-08 au
e 0.129325 4.541e-08
i 6.547 3.882e-06 deg
Ω 173.208 3.855e-05 deg
ω 197.501 4.188e-05 deg
M 2.444 1.763e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1205 au
Aphelion 2.7505 au
Asc. node-Earth separation 1.73774 au
Desc. node-Earth separation 1.127 au
Earth MOID 1.12074 au
Orbital period 1388.31 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 963 (7)
Radar observations (Discarded) 0 (0)
Arc length 11510.9 days
Unobserved 168 days

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Ephemeris at epoch 60426 MJD
Right Ascension 25.6987 deg
Declination 8.29335 deg
V Magnitude 20.45 mag
Solar Elongation 9.35 deg
Galactic Latitude -52.46 deg
Rate 0.54 deg/day
Direction 71.535 deg

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