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AstDyS ∴ Objects ∴ 1981ET17 ∴ Summary
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(16378) 1981ET17  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63611 6.643e-09 au
e 0.239027 3.685e-08
i 1.179 3.666e-06 deg
Ω 277.932 0.0001908 deg
ω 151.879 0.000191 deg
M 100.584 8.308e-06 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.006 au
Aphelion 3.2662 au
Asc. node-Earth separation 2.13121 au
Desc. node-Earth separation 1.07074 au
Earth MOID 1.02081 au
Orbital period 1563.3 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 1901 (17)
Radar observations (Discarded) 0 (0)
Arc length 15743.9 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 190.25 deg
Declination -6.26368 deg
V Magnitude 19.26 mag
Solar Elongation -155.9 deg
Galactic Latitude 56.51 deg
Rate 0.181 deg/day
Direction -64.959 deg

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