NEODyS-2

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2008ER  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.21548 4.651e-09 au
e 0.25691 1.979e-07
i 9.408 2.443e-05 deg
Ω 144.587 3.484e-05 deg
ω 167.177 5.755e-05 deg
M 235.22 7.056e-05 deg

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Other useful info
Absolute Magnitude (H)    21.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9032 au
Aphelion distance 1.5278 au
Asc. node-Earth separation 0.52769 au
Desc. node-Earth separation -0.10419 au
Earth MOID 0.0913 au
Orbital period 489.466 days
Date of orbit computation   feb 27 11:45
Observational summary
Optical observations (Discarded) 61 (0)
Radar observations (Discarded) 0 (0)
Arc length 5827 days
Unobserved 66 days

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Ephemeris
(Epoch 60420 MJD)
Right Ascension 136.815 deg
Declination 26.0789 deg
V Magnitude 23.28 mag
Solar Elongation -101.33 deg
Galactic Latitude 40.31 deg
Rate 0.249 deg/day
Direction 94.801 deg

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