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AstDyS ∴ Objects ∴ 1997YA4 ∴ Summary
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(17723) 1997YA4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.20445 7.095e-09 au
e 0.188132 4.904e-08
i 5.384 5.054e-06 deg
Ω 313.857 4.273e-05 deg
ω 39.156 4.409e-05 deg
M 229.58 1.04e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7897 au
Aphelion 2.6192 au
Asc. node-Earth separation 0.84088 au
Desc. node-Earth separation 1.50285 au
Earth MOID 0.78696 au
Orbital period 1195.5 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1169 (10)
Radar observations (Discarded) 0 (0)
Arc length 9044.18 days
Unobserved 303 days

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Ephemeris at epoch 58562 MJD
Right Ascension 277.229 deg
Declination -28.3481 deg
V Magnitude 19.39 mag
Solar Elongation 82.48 deg
Galactic Latitude -8.03 deg
Rate 0.367 deg/day
Direction 89.601 deg

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