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(18306) 1981EF9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30752 6.625e-09 au
e 0.106113 4.932e-08
i 3.982 3.245e-06 deg
Ω 283.682 6.639e-05 deg
ω 262.193 6.808e-05 deg
M 91.74 1.578e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0627 au
Aphelion 2.5524 au
Asc. node-Earth separation 1.29849 au
Desc. node-Earth separation 1.26623 au
Earth MOID 1.06892 au
Orbital period 1280.32 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2050 (13)
Radar observations (Discarded) 0 (0)
Arc length 15966.4 days
Unobserved 308 days

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Ephemeris at epoch 60440 MJD
Right Ascension 327.027 deg
Declination -12.0063 deg
V Magnitude 19.75 mag
Solar Elongation 84.34 deg
Galactic Latitude -44.54 deg
Rate 0.287 deg/day
Direction 65.528 deg

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