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AstDyS ∴ Objects ∴ 1990OS4 ∴ Summary
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(13041) 1990OS4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55903 1.059e-08 au
e 0.053001 4.443e-08
i 14.084 4.268e-06 deg
Ω 269.134 1.582e-05 deg
ω 234.563 4.056e-05 deg
M 244.045 3.761e-05 deg

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Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4234 au
Aphelion 2.6947 au
Asc. node-Earth separation 1.61654 au
Desc. node-Earth separation 1.49267 au
Earth MOID 1.46273 au
Orbital period 1495.24 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2663 (16)
Radar observations (Discarded) 0 (0)
Arc length 16096.2 days
Unobserved 95 days

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Ephemeris at epoch 60425 MJD
Right Ascension 25.2202 deg
Declination 19.9947 deg
V Magnitude 18.42 mag
Solar Elongation 9.87 deg
Galactic Latitude -41.38 deg
Rate 0.439 deg/day
Direction 71.122 deg

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