NEODyS-2

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NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
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1998US18  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.6287 0.01825 au
e 0.680586 0.003177
i 9.689 0.03029 deg
Ω 207.303 0.06163 deg
ω 115.433 0.08124 deg
M 161.694 19.08 deg

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Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8396 au
Aphelion 4.4178 au
Asc. node-Earth separation 0.99125 au
Desc. node-Earth separation 0.09672 au
Earth MOID 0.03234 au
Orbital period 1556.72 days
Date of orbit computation   Oct 9 17:42
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 6951 days

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Ephemeris at epoch 58077 MJD
Right Ascension 154.467 deg
Declination 1.26816 deg
V Magnitude 27.9 mag
Solar Elongation 81.84 deg
Galactic Latitude 45.03 deg
Rate 0.091 deg/day
Direction 128.63 deg

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