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AstDyS ∴ Objects ∴ 2001QR221 ∴ Summary
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(109479) 2001QR221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58618 1.304e-08 au
e 0.158749 3.696e-08
i 13.346 4.98e-06 deg
Ω 181.444 1.457e-05 deg
ω 235.672 2.152e-05 deg
M 77.323 1.702e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1756 au
Aphelion 2.9967 au
Asc. node-Earth separation 1.77259 au
Desc. node-Earth separation 1.3114 au
Earth MOID 1.21472 au
Orbital period 1519.1 days
Date of orbit computation  feb 22 02:13
Observational summary
Optical observations (Discarded) 1172 (4)
Radar observations (Discarded) 0 (0)
Arc length 12534.3 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 134.093 deg
Declination 7.81767 deg
V Magnitude 19.89 mag
Solar Elongation -126.27 deg
Galactic Latitude 31.28 deg
Rate 0.12 deg/day
Direction 16.223 deg

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