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1998US18  ▹ 
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.62692 0.02501 au
e 0.680441 0.004566
i 9.687 0.04387 deg
Ω 207.306 0.08184 deg
ω 115.418 0.1035 deg
M 256.139 28.57 deg
Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8395 au
Aphelion 4.4144 au
Asc. node-Earth separation 0.98666 au
Desc. node-Earth separation 0.09622 au
Earth MOID 0.03219 au
Orbital period 1555.14 days
Date of orbit computation   Oct 1 16:40


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 51114.3 MJD
Near present day (ASCII file) Epoch 58400.0 MJD


Note: The elements are given with reduced precision in order to be more readable. For full precision please use the machine readable ASCII files, which contain equinoctial (not keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.

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