AstDyS-2

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AstDyS ∴ Objects ∴ 1990QR ∴ Summary
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(12269) 1990QR  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61833 7.721e-09 au
e 0.174351 1.883e-08
i 13.554 3.203e-06 deg
Ω 168.707 1.06e-05 deg
ω 123.988 1.534e-05 deg
M 3.174 1.167e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1618 au
Aphelion 3.0748 au
Asc. node-Earth separation 1.82018 au
Desc. node-Earth separation 1.30715 au
Earth MOID 1.17815 au
Orbital period 1547.51 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 6002 (316)
Radar observations (Discarded) 0 (0)
Arc length 12046.6 days
Unobserved 253 days

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Ephemeris at epoch 60423 MJD
Right Ascension 329.569 deg
Declination -3.54478 deg
V Magnitude 18.24 mag
Solar Elongation 62.89 deg
Galactic Latitude -42.44 deg
Rate 0.45 deg/day
Direction 71.902 deg

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