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AstDyS ∴ Objects ∴ 2009QR21 ∴ Summary
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(392186) 2009QR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1684 4.783e-08 au
e 0.239034 8.419e-08
i 28.699 9.414e-06 deg
Ω 148.773 1.565e-05 deg
ω 136.94 2.568e-05 deg
M 243.86 1.661e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.411 au
Aphelion 3.9258 au
Asc. node-Earth separation 2.63167 au
Desc. node-Earth separation 1.53205 au
Earth MOID 1.45485 au
Orbital period 2059.96 days
Date of orbit computation  feb 22 03:13
Observational summary
Optical observations (Discarded) 193 (2)
Radar observations (Discarded) 0 (0)
Arc length 6147.19 days
Unobserved 95 days

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Ephemeris at epoch 60419 MJD
Right Ascension 137.779 deg
Declination 17.4036 deg
V Magnitude 22.09 mag
Solar Elongation -105.87 deg
Galactic Latitude 38.5 deg
Rate 0.072 deg/day
Direction 40.242 deg

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