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AstDyS ∴ Objects ∴ 2001QR21 ∴ Summary
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(77779) 2001QR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05792 1.714e-08 au
e 0.038019 5.736e-08
i 11.395 6.138e-06 deg
Ω 346.749 1.77e-05 deg
ω 3.774 5.235e-05 deg
M 84.944 4.941e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9417 au
Aphelion 3.1742 au
Asc. node-Earth separation 1.93525 au
Desc. node-Earth separation 2.18169 au
Earth MOID 1.93498 au
Orbital period 1953.16 days
Date of orbit computation  feb 22 02:06
Observational summary
Optical observations (Discarded) 1743 (3)
Radar observations (Discarded) 0 (0)
Arc length 9058.13 days
Unobserved 84 days

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Ephemeris at epoch 60423 MJD
Right Ascension 69.1086 deg
Declination 31.3159 deg
V Magnitude 20.03 mag
Solar Elongation -39.92 deg
Galactic Latitude -10.69 deg
Rate 0.348 deg/day
Direction 85.896 deg

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