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AstDyS ∴ Objects ∴ 2001QR171 ∴ Summary
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(139647) 2001QR171  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68862 1.463e-08 au
e 0.158614 4.356e-08
i 9.036 7.143e-06 deg
Ω 188.524 2.96e-05 deg
ω 107.028 3.73e-05 deg
M 65.754 2.393e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2622 au
Aphelion 3.1151 au
Asc. node-Earth separation 1.75022 au
Desc. node-Earth separation 1.50432 au
Earth MOID 1.2666 au
Orbital period 1610.25 days
Date of orbit computation  feb 22 02:19
Observational summary
Optical observations (Discarded) 455 (4)
Radar observations (Discarded) 0 (0)
Arc length 8596.03 days
Unobserved 161 days

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Ephemeris at epoch 60397 MJD
Right Ascension 14.4315 deg
Declination 4.96686 deg
V Magnitude 21.51 mag
Solar Elongation -7.81 deg
Galactic Latitude -57.87 deg
Rate 0.449 deg/day
Direction 70.738 deg

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