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AstDyS ∴ Objects ∴ 2001QR9 ∴ Summary
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(77772) 2001QR9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.07148 1.685e-08 au
e 0.07023 3.778e-08
i 9.443 5.531e-06 deg
Ω 327.676 2.304e-05 deg
ω 122.353 4.479e-05 deg
M 325.036 3.818e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8558 au
Aphelion 3.2872 au
Asc. node-Earth separation 2.16427 au
Desc. node-Earth separation 1.958 au
Earth MOID 1.88648 au
Orbital period 1966.16 days
Date of orbit computation  feb 22 02:06
Observational summary
Optical observations (Discarded) 1458 (12)
Radar observations (Discarded) 0 (0)
Arc length 11306.7 days
Unobserved 99 days

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Ephemeris at epoch 60420 MJD
Right Ascension 43.3241 deg
Declination 24.0044 deg
V Magnitude 19.93 mag
Solar Elongation -19.2 deg
Galactic Latitude -31.02 deg
Rate 0.397 deg/day
Direction 74.034 deg

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