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AstDyS ∴ Objects ∴ 2001QB221 ∴ Summary
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(252273) 2001QB221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.65694 1.472e-08 au
e 0.241065 5.507e-08
i 6.637 5.763e-06 deg
Ω 278.147 5.02e-05 deg
ω 64.201 5.17e-05 deg
M 68.197 1.353e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0164 au
Aphelion 3.2974 au
Asc. node-Earth separation 1.248 au
Desc. node-Earth separation 1.81361 au
Earth MOID 1.01857 au
Orbital period 1581.87 days
Date of orbit computation  apr 23 20:43
Observational summary
Optical observations (Discarded) 547 (5)
Radar observations (Discarded) 0 (0)
Arc length 8208.78 days
Unobserved 104 days

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Ephemeris at epoch 60425 MJD
Right Ascension 69.3353 deg
Declination 23.3508 deg
V Magnitude 21.8 mag
Solar Elongation -36.16 deg
Galactic Latitude -15.7 deg
Rate 0.412 deg/day
Direction 85.042 deg

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