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AstDyS ∴ Objects ∴ 1981ER7 ∴ Summary
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(58117) 1981ER7  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30388 8.019e-09 au
e 0.100545 3.449e-08
i 4.116 4.402e-06 deg
Ω 234.817 5.996e-05 deg
ω 43.519 6.705e-05 deg
M 18.591 3.302e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0722 au
Aphelion 2.5355 au
Asc. node-Earth separation 1.11438 au
Desc. node-Earth separation 1.4722 au
Earth MOID 1.05798 au
Orbital period 1277.29 days
Date of orbit computation  feb 22 02:02
Observational summary
Optical observations (Discarded) 997 (7)
Radar observations (Discarded) 0 (0)
Arc length 15459.5 days
Unobserved days

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Ephemeris at epoch MJD
Right Ascension deg
Declination deg
V Magnitude mag
Solar Elongation deg
Galactic Latitude deg
Rate deg/day
Direction deg

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