AstDyS-2

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(58111) 1981ER2  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.10209 1.796e-08 au
e 0.220721 3.994e-08
i 21.534 4.464e-06 deg
Ω 190.43 1.117e-05 deg
ω 337.269 1.447e-05 deg
M 319.267 9.992e-06 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4174 au
Aphelion 3.7868 au
Asc. node-Earth separation 1.45288 au
Desc. node-Earth separation 2.70546 au
Earth MOID 1.4339 au
Orbital period 1995.63 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1199 (274)
Radar observations (Discarded) 0 (0)
Arc length 15703.7 days
Unobserved 83 days

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Ephemeris at epoch 60426 MJD
Right Ascension 93.3161 deg
Declination 5.06655 deg
V Magnitude 20.46 mag
Solar Elongation -59.39 deg
Galactic Latitude -6.13 deg
Rate 0.375 deg/day
Direction 78.31 deg

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