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AstDyS ∴ Objects ∴ 1998SY157 ∴ Summary
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(152717) 1998SY157  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.26018 8.572e-09 au
e 0.237569 3.172e-08
i 2.626 4.631e-06 deg
Ω 163.416 0.0001032 deg
ω 141.015 0.000104 deg
M 222.245 1.379e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7232 au
Aphelion 2.7971 au
Asc. node-Earth separation 1.62447 au
Desc. node-Earth separation 0.79257 au
Earth MOID 0.7089 au
Orbital period 1241.12 days
Date of orbit computation  apr 23 20:20
Observational summary
Optical observations (Discarded) 465 (2)
Radar observations (Discarded) 0 (0)
Arc length 9249.15 days
Unobserved 93 days

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Ephemeris at epoch 60425 MJD
Right Ascension 137.407 deg
Declination 15.987 deg
V Magnitude 22.23 mag
Solar Elongation -100.1 deg
Galactic Latitude 37.65 deg
Rate 0.123 deg/day
Direction 101.133 deg

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