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NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
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1998US18  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.6272 0.02555 au
e 0.680258 0.004427
i 9.686 0.0437 deg
Ω 207.31 0.08016 deg
ω 115.435 0.0994 deg
M 117.166 26.55 deg

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Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion 0.84 au
Aphelion 4.4144 au
Asc. node-Earth separation 0.99011 au
Desc. node-Earth separation 0.09768 au
Earth MOID 0.03272 au
Orbital period 1555.38 days
Date of orbit computation   May 15 15:36
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 6772 days

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Ephemeris at epoch 57898 MJD
Right Ascension 120.973 deg
Declination 11.766 deg
V Magnitude 27.9 mag
Solar Elongation -57.27 deg
Galactic Latitude 21.34 deg
Rate 0.174 deg/day
Direction 93.396 deg

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