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2004ER21  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 0.899113 0.0002199 au
e 0.171105 0.0008503
i 7.95 0.03623 deg
Ω 357.262 0.02638 deg
ω 343.521 0.09032 deg
M 40.484 1.453 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 1.053 au
Asc. node-Earth separation -0.25414 au
Desc. node-Earth separation 0.04996 au
Earth MOID 0.0414 au
Orbital period 311.401 days
Date of orbit computation   giu 10 12:41
Observational summary
Optical observations (Discarded) 71 (1)
Radar observations (Discarded) 0 (0)
Arc length 11 days
Unobserved 6758 days

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Ephemeris
(Epoch 59848 MJD)
Right Ascension 145.252 deg
Declination 19.4246 deg
V Magnitude 26.63 mag
Solar Elongation 41.77 deg
Galactic Latitude 45.85 deg
Rate 0.918 deg/day
Direction 109.635 deg

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