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NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
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1998US18  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.62511 0.0136 au
e 0.679993 0.002913
i 9.681 0.03294 deg
Ω 207.314 0.03848 deg
ω 115.391 0.01443 deg
M 352.34 20.74 deg

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Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8401 au
Aphelion distance 4.4102 au
Asc. node-Earth separation 0.98982 au
Desc. node-Earth separation 0.09721 au
Earth MOID 0.03253 au
Orbital period 1553.53 days
Date of orbit computation   Oct 14 15:32
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 7648 days

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Ephemeris
(Epoch 58774 MJD)
Right Ascension 226.114 deg
Declination -13.5614 deg
V Magnitude 23.63 mag
Solar Elongation -23.74 deg
Galactic Latitude 38.07 deg
Rate 0.801 deg/day
Direction 102.695 deg

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