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AstDyS ∴ Objects ∴ 1981EK31 ∴ Summary
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(90690) 1981EK31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62392 1.338e-08 au
e 0.088177 6.85e-08
i 10.218 6.093e-06 deg
Ω 350.359 2.479e-05 deg
ω 20.558 3.684e-05 deg
M 214.942 2.453e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3926 au
Aphelion 2.8553 au
Asc. node-Earth separation 1.39932 au
Desc. node-Earth separation 1.84464 au
Earth MOID 1.39356 au
Orbital period 1552.48 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 958 (6)
Radar observations (Discarded) 0 (0)
Arc length 15400.5 days
Unobserved 377 days

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Ephemeris at epoch 60427 MJD
Right Ascension 224.021 deg
Declination -30.2891 deg
V Magnitude 19.44 mag
Solar Elongation 161.36 deg
Galactic Latitude 25.32 deg
Rate 0.216 deg/day
Direction -88.069 deg

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