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AstDyS ∴ Objects ∴ 2011QQ21 ∴ Summary
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(553450) 2011QQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34503 1.174e-08 au
e 0.18232 6.59e-08
i 6.218 7.251e-06 deg
Ω 208.309 5.233e-05 deg
ω 158.669 5.689e-05 deg
M 164.314 1.994e-05 deg

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Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9175 au
Aphelion 2.7726 au
Asc. node-Earth separation 1.72656 au
Desc. node-Earth separation 0.94342 au
Earth MOID 0.91813 au
Orbital period 1311.66 days
Date of orbit computation  apr 23 21:47
Observational summary
Optical observations (Discarded) 132 (1)
Radar observations (Discarded) 0 (0)
Arc length 10679 days
Unobserved 497 days

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Ephemeris at epoch 60426 MJD
Right Ascension 164.307 deg
Declination 2.46852 deg
V Magnitude 23.06 mag
Solar Elongation -128.56 deg
Galactic Latitude 53.19 deg
Rate 0.07 deg/day
Direction -26.763 deg

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