NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2008ER ∴ Summary
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2008ER  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 1.21542 1.58e-08 au
e 0.25688 1.946e-07
i 9.407 3.004e-05 deg
Ω 144.614 7.352e-05 deg
ω 167.159 8.309e-05 deg
M 122.835 7.378e-05 deg

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Other useful info
Absolute Magnitude (H)    21.2 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9032 au
Aphelion 1.5276 au
Asc. node-Earth separation 0.52718 au
Desc. node-Earth separation -0.10359 au
Earth MOID 0.09089 au
Orbital period 489.428 days
Date of orbit computation   May 15 16:32
Observational summary
Optical observations (Discarded) 44 (0)
Radar observations (Discarded) 0 (0)
Arc length 2898 days
Unobserved 504 days

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Ephemeris at epoch 57929 MJD
Right Ascension 133.45 deg
Declination 18.7095 deg
V Magnitude 24.89 mag
Solar Elongation -37.27 deg
Galactic Latitude 35.12 deg
Rate 0.634 deg/day
Direction 101.424 deg

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