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1998US18  ▹ 
SUMMARY
Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 2.60659 1.132e-07 au
e 0.676665 1.432e-06
i 9.653 5.789e-05 deg
Ω 207.32 2.807e-05 deg
ω 115.387 0.0004868 deg
M 106.714 5.121e-05 deg

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Other useful info
Absolute Magnitude (H)    21.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8428 au
Aphelion distance 4.3704 au
Asc. node-Earth separation 0.98513 au
Desc. node-Earth separation 0.09934 au
Earth MOID 0.03321 au
Orbital period 1537.12 days
Date of orbit computation   Mar 19 08:41
Observational summary
Optical observations (Discarded) 68 (0)
Radar observations (Discarded) 0 (0)
Arc length 7704 days
Unobserved 605 days

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Ephemeris
(Epoch 59420 MJD)
Right Ascension 134.614 deg
Declination 9.44143 deg
V Magnitude 28.2 mag
Solar Elongation -14.34 deg
Galactic Latitude 32.47 deg
Rate 0.231 deg/day
Direction 104.579 deg

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