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AstDyS ∴ Objects ∴ 2002ER31 ∴ Summary
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(57908) 2002ER31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77301 1.043e-08 au
e 0.134191 2.997e-08
i 8.736 3.878e-06 deg
Ω 195.524 2.203e-05 deg
ω 242.653 2.649e-05 deg
M 16.71 1.523e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4009 au
Aphelion 3.1451 au
Asc. node-Earth separation 1.90156 au
Desc. node-Earth separation 1.56663 au
Earth MOID 1.43096 au
Orbital period 1686.65 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 2382 (8)
Radar observations (Discarded) 0 (0)
Arc length 10381.5 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 88.0031 deg
Declination 16.1337 deg
V Magnitude 19.53 mag
Solar Elongation -52.5 deg
Galactic Latitude -5.31 deg
Rate 0.423 deg/day
Direction 85.796 deg

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