NEODyS-2

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NEODyS ∴ Objects ∴ 2004ER21 ∴ Summary
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2004ER21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.899626 5.572e-05 au
e 0.171953 0.0004236
i 7.97 0.02392 deg
Ω 357.329 0.003952 deg
ω 343.382 0.01813 deg
M 223.41 1.166 deg

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Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7449 au
Aphelion 1.0543 au
Asc. node-Earth separation -0.25479 au
Desc. node-Earth separation 0.04826 au
Earth MOID 0.04007 au
Orbital period 311.667 days
Date of orbit computation   Oct 1 17:07
Observational summary
Optical observations (Discarded) 71 (3)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 5375 days

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Ephemeris at epoch 58465 MJD
Right Ascension 259.305 deg
Declination -26.745 deg
V Magnitude 25.62 mag
Solar Elongation 3.67 deg
Galactic Latitude 6.45 deg
Rate 1.141 deg/day
Direction 94.4 deg

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