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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Athor ∴ Summary
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(161) Athor  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 2.37927 5.259e-09 au
e 0.13753 2.578e-08
i 9.06 2.763e-06 deg
Ω 18.605 1.872e-05 deg
ω 294.944 2.16e-05 deg
M 149.966 1.209e-05 deg

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Other useful info
Absolute Magnitude (H)    9.1 mag
Slope parameter (G)    0.13 mag
Perihelion 2.052 au
Aphelion 2.7065 au
Asc. node-Earth separation 1.20748 au
Desc. node-Earth separation 1.47674 au
Earth MOID 1.05764 au
Orbital period 1340.49 days
Date of orbit computation  Feb 7 05:42
Observational summary
Optical observations (Discarded) 1978 (166)
Radar observations (Discarded) 0 (0)
Arc length 43750.2 days
Unobserved 28 days

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Ephemeris at epoch 58173 MJD
Right Ascension 82.3831 deg
Declination 34.3299 deg
V Magnitude 13.95 mag
Solar Elongation -108.17 deg
Galactic Latitude 0 deg
Rate 0.118 deg/day
Direction 119.095 deg

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