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AstDyS ∴ Objects ∴ 1990SF1 ∴ Summary
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(18356) 1990SF1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.84259 1.131e-08 au
e 0.177946 3.792e-08
i 3.609 3.237e-06 deg
Ω 264.797 6.339e-05 deg
ω 146.969 6.422e-05 deg
M 324.128 9.988e-06 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3368 au
Aphelion 3.3484 au
Asc. node-Earth separation 2.21889 au
Desc. node-Earth separation 1.41211 au
Earth MOID 1.34901 au
Orbital period 1750.53 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2161 (11)
Radar observations (Discarded) 0 (0)
Arc length 17129.3 days
Unobserved 165 days

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Ephemeris at epoch 60425 MJD
Right Ascension 13.7681 deg
Declination 8.64548 deg
V Magnitude 19.27 mag
Solar Elongation 19.09 deg
Galactic Latitude -54.22 deg
Rate 0.477 deg/day
Direction 67.311 deg

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