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1998US18  ▹ 
SUMMARY
Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 2.60618 1.157e-07 au
e 0.67664 1.434e-06
i 9.653 5.791e-05 deg
Ω 207.337 2.806e-05 deg
ω 115.36 0.0004869 deg
M 59.896 4.818e-05 deg

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Other useful info
Absolute Magnitude (H)    21.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8427 au
Aphelion distance 4.3696 au
Asc. node-Earth separation 0.9852 au
Desc. node-Earth separation 0.1006 au
Earth MOID 0.0337 au
Orbital period 1536.76 days
Date of orbit computation   May 28 12:33
Observational summary
Optical observations (Discarded) 68 (0)
Radar observations (Discarded) 0 (0)
Arc length 7704 days
Unobserved 226 days

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Ephemeris
(Epoch 59041 MJD)
Right Ascension 107.456 deg
Declination 15.2677 deg
V Magnitude 26.88 mag
Solar Elongation 7.4 deg
Galactic Latitude 10.89 deg
Rate 0.326 deg/day
Direction 98.155 deg

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