NEODyS-2

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NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
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1998US18  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 2.62862 0.01813 au
e 0.680645 0.003207
i 9.689 0.03031 deg
Ω 207.303 0.06187 deg
ω 115.426 0.08178 deg
M 207.977 19.56 deg

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Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8395 au
Aphelion 4.4178 au
Asc. node-Earth separation 0.98942 au
Desc. node-Earth separation 0.09549 au
Earth MOID 0.03195 au
Orbital period 1556.65 days
Date of orbit computation   Feb 5 12:01
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 7047 days

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Ephemeris at epoch 58173 MJD
Right Ascension 145.495 deg
Declination 2.49801 deg
V Magnitude 26.85 mag
Solar Elongation -166.59 deg
Galactic Latitude 38.47 deg
Rate 0.213 deg/day
Direction -67.073 deg

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