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AstDyS ∴ Objects ∴ 1990QQ4 ∴ Summary
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(11880) 1990QQ4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70884 1.125e-08 au
e 0.067013 3.64e-08
i 7.63 4.004e-06 deg
Ω 25.334 2.324e-05 deg
ω 318.099 3.387e-05 deg
M 187.049 2.471e-05 deg

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Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5273 au
Aphelion 2.8904 au
Asc. node-Earth separation 1.5731 au
Desc. node-Earth separation 1.83493 au
Earth MOID 1.52636 au
Orbital period 1628.45 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 3074 (13)
Radar observations (Discarded) 0 (0)
Arc length 13657.2 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 161.206 deg
Declination 13.4411 deg
V Magnitude 18.53 mag
Solar Elongation -122.48 deg
Galactic Latitude 57.44 deg
Rate 0.055 deg/day
Direction -153.335 deg

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