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1998US18  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.60642 8.93e-08 au
e 0.676415 1.425e-06
i 9.658 5.785e-05 deg
Ω 207.255 2.814e-05 deg
ω 115.483 0.0004869 deg
M 27.611 6.83e-05 deg

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Other useful info
Absolute Magnitude (H)    21.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8434 au
Aphelion distance 4.3694 au
Asc. node-Earth separation 0.98996 au
Desc. node-Earth separation 0.10041 au
Earth MOID 0.03369 au
Orbital period 1536.97 days
Date of orbit computation   feb 26 10:22
Observational summary
Optical observations (Discarded) 68 (0)
Radar observations (Discarded) 0 (0)
Arc length 7704 days
Unobserved 1644 days

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Ephemeris
(Epoch 60459 MJD)
Right Ascension 80.507 deg
Declination 17.291 deg
V Magnitude 25.92 mag
Solar Elongation -14.33 deg
Galactic Latitude -10.82 deg
Rate 0.461 deg/day
Direction 87.971 deg

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