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AstDyS ∴ Objects ∴ 1998EC4 ∴ Summary
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(42613) 1998EC4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34752 6.717e-09 au
e 0.161519 2.953e-08
i 3.989 3.689e-06 deg
Ω 148.463 5.05e-05 deg
ω 332.27 5.2e-05 deg
M 128.389 1.25e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9683 au
Aphelion 2.7267 au
Asc. node-Earth separation 1.01241 au
Desc. node-Earth separation 1.65658 au
Earth MOID 0.98566 au
Orbital period 1313.75 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 1806 (298)
Radar observations (Discarded) 0 (0)
Arc length 12326 days
Unobserved 285 days

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Ephemeris at epoch 60418 MJD
Right Ascension 288.839 deg
Declination -18.1534 deg
V Magnitude 20.99 mag
Solar Elongation 100.18 deg
Galactic Latitude -13.31 deg
Rate 0.152 deg/day
Direction 76.612 deg

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