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(489475) 2007ER4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.16422 3.703e-08 au
e 0.312242 6.491e-08
i 12.154 9.493e-06 deg
Ω 329.936 3.543e-05 deg
ω 91.798 5.357e-05 deg
M 68.536 2.327e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1762 au
Aphelion 4.1522 au
Asc. node-Earth separation 1.87298 au
Desc. node-Earth separation 1.84001 au
Earth MOID 1.22935 au
Orbital period 2055.88 days
Date of orbit computation  apr 23 21:34
Observational summary
Optical observations (Discarded) 191 (0)
Radar observations (Discarded) 0 (0)
Arc length 6749.1 days
Unobserved 50 days

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Ephemeris at epoch 60426 MJD
Right Ascension 154.142 deg
Declination 5.01125 deg
V Magnitude 22.38 mag
Solar Elongation -118.15 deg
Galactic Latitude 47.02 deg
Rate 0.027 deg/day
Direction 140.738 deg

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