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2004ER21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60200.0 MJD)
Value 1-σ variation Units
a 0.899118 0.0002204 au
e 0.17109 0.0008499
i 7.95 0.03623 deg
Ω 357.26 0.02638 deg
ω 343.525 0.09003 deg
M 142.906 1.283 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 1.0529 au
Asc. node-Earth separation -0.25457 au
Desc. node-Earth separation 0.04738 au
Earth MOID 0.03955 au
Orbital period 311.404 days
Date of orbit computation   ott 4 10:52
Observational summary
Optical observations (Discarded) 71 (1)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 7132 days

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Ephemeris
(Epoch 60222 MJD)
Right Ascension 172.826 deg
Declination 5.06986 deg
V Magnitude 26.79 mag
Solar Elongation 19.84 deg
Galactic Latitude 60.83 deg
Rate 0.898 deg/day
Direction 116.793 deg

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