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AstDyS ∴ Objects ∴ 1998YW9 ∴ Summary
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(15458) 1998YW9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.4183 5.239e-09 au
e 0.192804 2.543e-08
i 1.429 3.431e-06 deg
Ω 150.958 0.0001128 deg
ω 264.747 0.0001133 deg
M 295.079 1.024e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.952 au
Aphelion 2.8846 au
Asc. node-Earth separation 1.38131 au
Desc. node-Earth separation 1.27791 au
Earth MOID 0.96464 au
Orbital period 1373.61 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2506 (17)
Radar observations (Discarded) 0 (0)
Arc length 17411.3 days
Unobserved 313 days

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Ephemeris at epoch 60425 MJD
Right Ascension 354.094 deg
Declination -2.66769 deg
V Magnitude 19.64 mag
Solar Elongation 41.43 deg
Galactic Latitude -59.65 deg
Rate 0.489 deg/day
Direction 67.395 deg

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