NEODyS-2

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NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
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1998US18  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.62692 0.02501 au
e 0.680441 0.004566
i 9.687 0.04387 deg
Ω 207.306 0.08184 deg
ω 115.418 0.1035 deg
M 256.139 28.57 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 4.4144 au
Asc. node-Earth separation 0.98666 au
Desc. node-Earth separation 0.09622 au
Earth MOID 0.03219 au
Orbital period 1555.14 days
Date of orbit computation   Oct 1 16:40
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 7406 days

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Ephemeris at epoch 58532 MJD
Right Ascension 185.017 deg
Declination -9.34668 deg
V Magnitude 25.85 mag
Solar Elongation 140 deg
Galactic Latitude 52.74 deg
Rate 0.145 deg/day
Direction -70.057 deg

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