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1998US18  ▹ 
SUMMARY
Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 2.60688 1.069e-07 au
e 0.676619 1.428e-06
i 9.655 5.786e-05 deg
Ω 207.276 2.811e-05 deg
ω 115.449 0.0004866 deg
M 200.318 5.722e-05 deg

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Other useful info
Absolute Magnitude (H)    21.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.843 au
Aphelion distance 4.3707 au
Asc. node-Earth separation 0.98913 au
Desc. node-Earth separation 0.10042 au
Earth MOID 0.03372 au
Orbital period 1537.37 days
Date of orbit computation   Oct 20 09:58
Observational summary
Optical observations (Discarded) 68 (0)
Radar observations (Discarded) 0 (0)
Arc length 7704 days
Unobserved 793 days

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Ephemeris
(Epoch 59608 MJD)
Right Ascension 152.802 deg
Declination 0.06827 deg
V Magnitude 27.4 mag
Solar Elongation 152.14 deg
Galactic Latitude 42.98 deg
Rate 0.182 deg/day
Direction -73.865 deg

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