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AstDyS ∴ Objects ∴ 1998EF12 ∴ Summary
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(18642) 1998EF12  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.29289 6.134e-09 au
e 0.155745 3.643e-08
i 4.932 4.162e-06 deg
Ω 36.689 3.667e-05 deg
ω 122.842 3.845e-05 deg
M 187.493 1.155e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9358 au
Aphelion 2.65 au
Asc. node-Earth separation 1.45158 au
Desc. node-Earth separation 1.05632 au
Earth MOID 0.94975 au
Orbital period 1268.16 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2133 (8)
Radar observations (Discarded) 0 (0)
Arc length 16991.9 days
Unobserved 239 days

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Ephemeris at epoch 60418 MJD
Right Ascension 0.62741 deg
Declination -2.75335 deg
V Magnitude 20.27 mag
Solar Elongation 28.76 deg
Galactic Latitude -62.96 deg
Rate 0.408 deg/day
Direction 65.917 deg

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