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AstDyS ∴ Objects ∴ 2001AR21 ∴ Summary
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(415791) 2001AR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.78495 1.639e-08 au
e 0.352853 5.808e-08
i 11.096 8.676e-06 deg
Ω 298.404 3.547e-05 deg
ω 127.907 4.164e-05 deg
M 17.089 1.444e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8023 au
Aphelion 3.7676 au
Asc. node-Earth separation 2.09678 au
Desc. node-Earth separation 1.02062 au
Earth MOID 0.84049 au
Orbital period 1697.56 days
Date of orbit computation  feb 22 03:18
Observational summary
Optical observations (Discarded) 366 (2)
Radar observations (Discarded) 0 (0)
Arc length 8426.08 days
Unobserved 88 days

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Ephemeris at epoch 60420 MJD
Right Ascension 85.8689 deg
Declination 24.5098 deg
V Magnitude 21.9 mag
Solar Elongation -56.17 deg
Galactic Latitude -2.72 deg
Rate 0.564 deg/day
Direction 95.343 deg

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