AstDyS-2

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AstDyS ∴ Objects ∴ 1990QQ4 ∴ Summary
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(11880) 1990QQ4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.70936 1.739e-08 au
e 0.067367 6.395e-08
i 7.625 6.304e-06 deg
Ω 25.419 3.21e-05 deg
ω 319.99 4.774e-05 deg
M 102.995 3.422e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5268 au
Aphelion 2.8919 au
Asc. node-Earth separation 1.56852 au
Desc. node-Earth separation 1.83869 au
Earth MOID 1.52528 au
Orbital period 1628.92 days
Date of orbit computation  Oct 31 05:03
Observational summary
Optical observations (Discarded) 1512 (10)
Radar observations (Discarded) 0 (0)
Arc length 11669.7 days
Unobserved 99 days

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Ephemeris at epoch 58501 MJD
Right Ascension 121.016 deg
Declination 32.3033 deg
V Magnitude 17.43 mag
Solar Elongation -168.3 deg
Galactic Latitude 28.56 deg
Rate 0.231 deg/day
Direction -78.682 deg

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