NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1997ET30 ∴ Summary
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(168378) 1997ET30  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.1381 1.619e-08 au
e 0.448237 2.835e-08
i 6.815 5.202e-06 deg
Ω 23.298 2.674e-05 deg
ω 263.316 2.949e-05 deg
M 63.454 5.754e-06 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1797 au
Aphelion 3.0965 au
Asc. node-Earth separation 0.80681 au
Desc. node-Earth separation 0.62102 au
Earth MOID 0.20833 au
Orbital period 1141.94 days
Date of orbit computation   Apr 12 14:45
Observational summary
Optical observations (Discarded) 830 (2)
Radar observations (Discarded) 0 (0)
Arc length 10342 days
Unobserved 113 days

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Ephemeris at epoch 57873 MJD
Right Ascension 51.0265 deg
Declination 21.67 deg
V Magnitude 22.08 mag
Solar Elongation -14.85 deg
Galactic Latitude -28.81 deg
Rate 0.432 deg/day
Direction 73.801 deg

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