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AstDyS ∴ Objects ∴ 1990RQ9 ∴ Summary
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(17453) 1990RQ9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28998 6.676e-09 au
e 0.194986 3.669e-08
i 5.832 3.975e-06 deg
Ω 208.649 3.604e-05 deg
ω 135.005 3.728e-05 deg
M 243.344 1.113e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8435 au
Aphelion 2.7365 au
Asc. node-Earth separation 1.55078 au
Desc. node-Earth separation 0.94158 au
Earth MOID 0.84167 au
Orbital period 1265.75 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 2357 (21)
Radar observations (Discarded) 0 (0)
Arc length 13721.2 days
Unobserved 89 days

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Ephemeris at epoch 60418 MJD
Right Ascension 214.732 deg
Declination -13.0359 deg
V Magnitude 17.62 mag
Solar Elongation 171.28 deg
Galactic Latitude 44.57 deg
Rate 0.256 deg/day
Direction -61.921 deg

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