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AstDyS ∴ Objects ∴ 1990SF4 ∴ Summary
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(22306) 1990SF4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5428 8.599e-09 au
e 0.225429 5.032e-08
i 10.63 4.09e-06 deg
Ω 230.252 2.305e-05 deg
ω 55.679 2.425e-05 deg
M 143.291 9.736e-06 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9696 au
Aphelion 3.116 au
Asc. node-Earth separation 1.13123 au
Desc. node-Earth separation 1.77629 au
Earth MOID 0.97551 au
Orbital period 1481.04 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2215 (11)
Radar observations (Discarded) 0 (0)
Arc length 12198 days
Unobserved 73 days

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Ephemeris at epoch 60425 MJD
Right Ascension 72.7165 deg
Declination 17.4669 deg
V Magnitude 20.27 mag
Solar Elongation -38.8 deg
Galactic Latitude -16.82 deg
Rate 0.33 deg/day
Direction 84.628 deg

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