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2004ER21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 0.899087 0.0002259 au
e 0.171015 0.0008547
i 7.95 0.03623 deg
Ω 357.254 0.02677 deg
ω 343.516 0.09075 deg
M 245.35 1.111 deg

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Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7453 au
Aphelion distance 1.0528 au
Asc. node-Earth separation -0.25435 au
Desc. node-Earth separation 0.05056 au
Earth MOID 0.04201 au
Orbital period 311.388 days
Date of orbit computation   Jul 29 11:02
Observational summary
Optical observations (Discarded) 71 (1)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 7492 days

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Ephemeris
(Epoch 60582 MJD)
Right Ascension 188.463 deg
Declination -4.86669 deg
V Magnitude 26.21 mag
Solar Elongation -3.85 deg
Galactic Latitude 57.72 deg
Rate 0.929 deg/day
Direction 116.794 deg

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