NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2004ER21 ∴ Summary
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2004ER21  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 0.899637 5.684e-05 au
e 0.171938 0.000424
i 7.97 0.02392 deg
Ω 357.326 0.003937 deg
ω 343.385 0.01804 deg
M 94.419 1.187 deg

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Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion 0.745 au
Aphelion 1.0543 au
Asc. node-Earth separation -0.25492 au
Desc. node-Earth separation 0.05025 au
Earth MOID 0.04159 au
Orbital period 311.673 days
Date of orbit computation   May 25 10:43
Observational summary
Optical observations (Discarded) 71 (3)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 5592 days

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Ephemeris at epoch 58682 MJD
Right Ascension 144.237 deg
Declination 15.0494 deg
V Magnitude 26.92 mag
Solar Elongation -26.76 deg
Galactic Latitude 43.36 deg
Rate 0.886 deg/day
Direction 113.035 deg

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