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AstDyS ∴ Objects ∴ 2011AR21 ∴ Summary
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(419865) 2011AR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55188 1.89e-08 au
e 0.130219 1.411e-07
i 9.902 1.36e-05 deg
Ω 309.488 3.554e-05 deg
ω 179.193 4.833e-05 deg
M 79.532 3.334e-05 deg

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Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2196 au
Aphelion 2.8842 au
Asc. node-Earth separation 1.86947 au
Desc. node-Earth separation 1.23507 au
Earth MOID 1.23502 au
Orbital period 1488.98 days
Date of orbit computation  apr 23 21:19
Observational summary
Optical observations (Discarded) 140 (0)
Radar observations (Discarded) 0 (0)
Arc length 8232.04 days
Unobserved 947 days

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Ephemeris at epoch 60440 MJD
Right Ascension 228.196 deg
Declination -34.1718 deg
V Magnitude 21.27 mag
Solar Elongation 163.4 deg
Galactic Latitude 20.16 deg
Rate 0.232 deg/day
Direction -72.59 deg

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