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AstDyS ∴ Objects ∴ 1990QJ4 ∴ Summary
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(9754) 1990QJ4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.41422 6.666e-09 au
e 0.190846 2.844e-08
i 2.456 3.986e-06 deg
Ω 156.022 6.875e-05 deg
ω 123.886 6.963e-05 deg
M 26.746 1.086e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9535 au
Aphelion 2.875 au
Asc. node-Earth separation 1.61405 au
Desc. node-Earth separation 1.09295 au
Earth MOID 0.93813 au
Orbital period 1370.14 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 2332 (18)
Radar observations (Discarded) 0 (0)
Arc length 12014.5 days
Unobserved 281 days

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Ephemeris at epoch 60423 MJD
Right Ascension 348.514 deg
Declination -4.61967 deg
V Magnitude 19.45 mag
Solar Elongation 45.37 deg
Galactic Latitude -57.67 deg
Rate 0.512 deg/day
Direction 68.271 deg

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