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AstDyS ∴ Objects ∴ 1981ET20 ∴ Summary
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(37546) 1981ET20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.62684 1.412e-08 au
e 0.145184 7.247e-08
i 9.001 6.519e-06 deg
Ω 356.413 2.454e-05 deg
ω 191.207 2.878e-05 deg
M 28.923 1.866e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2455 au
Aphelion 3.0082 au
Asc. node-Earth separation 1.99459 au
Desc. node-Earth separation 1.25605 au
Earth MOID 1.24803 au
Orbital period 1555.07 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 988 (2)
Radar observations (Discarded) 0 (0)
Arc length 15748.6 days
Unobserved 38 days

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Ephemeris at epoch 60426 MJD
Right Ascension 241.388 deg
Declination -33.5571 deg
V Magnitude 18.6 mag
Solar Elongation 147.77 deg
Galactic Latitude 13.83 deg
Rate 0.164 deg/day
Direction -112.337 deg

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