NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2004ER21 ∴ Summary
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2004ER21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.899636 5.572e-05 au
e 0.171934 0.0004239
i 7.97 0.02392 deg
Ω 357.33 0.003956 deg
ω 343.388 0.01811 deg
M 352.387 1.144 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 -0.25528 au
Desc. node-Earth separation 0.04997 au
Earth MOID 0.04148 au
Orbital period 311.673 days
Date of orbit computation   Mar 13 10:21
Observational summary
Optical observations (Discarded) 71 (3)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 5296 days

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Ephemeris at epoch 58386 MJD
Right Ascension 180.817 deg
Declination -0.5901 deg
V Magnitude 26.04 mag
Solar Elongation 0.68 deg
Galactic Latitude 59.96 deg
Rate 0.911 deg/day
Direction 117.201 deg

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