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AstDyS ∴ Objects ∴ 1981EK39 ∴ Summary
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(17391) 1981EK39  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.32973 9.598e-09 au
e 0.158446 4.869e-08
i 3.356 5.415e-06 deg
Ω 178.51 6.833e-05 deg
ω 215.087 7.001e-05 deg
M 330.618 1.5e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9606 au
Aphelion 2.6989 au
Asc. node-Earth separation 1.61225 au
Desc. node-Earth separation 1.00658 au
Earth MOID 0.96706 au
Orbital period 1298.84 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1051 (3)
Radar observations (Discarded) 0 (0)
Arc length 13747.8 days
Unobserved 85 days

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Ephemeris at epoch 58499 MJD
Right Ascension 3.54554 deg
Declination -0.28432 deg
V Magnitude 19.41 mag
Solar Elongation -67.86 deg
Galactic Latitude -61.7 deg
Rate 0.495 deg/day
Direction 67.731 deg

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