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AstDyS ∴ Objects ∴ 1997AO4 ∴ Summary
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(11639) 1997AO4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.74067 9.662e-09 au
e 0.106555 2.596e-08
i 5.898 2.932e-06 deg
Ω 124.783 2.996e-05 deg
ω 186.874 3.366e-05 deg
M 173.829 1.538e-05 deg

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Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4486 au
Aphelion 3.0327 au
Asc. node-Earth separation 2.04613 au
Desc. node-Earth separation 1.43506 au
Earth MOID 1.43417 au
Orbital period 1657.23 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 3825 (202)
Radar observations (Discarded) 0 (0)
Arc length 11719.5 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 112.616 deg
Declination 22.3568 deg
V Magnitude 19.33 mag
Solar Elongation -81.74 deg
Galactic Latitude 18.24 deg
Rate 0.21 deg/day
Direction 94.509 deg

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