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AstDyS ∴ Objects ∴ 2011HD21 ∴ Summary
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(347202) 2011HD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.188 4.377e-08 au
e 0.250469 6.508e-08
i 26.058 1.325e-05 deg
Ω 32.424 1.924e-05 deg
ω 241.87 3.796e-05 deg
M 64.672 3.896e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3895 au
Aphelion 3.9865 au
Asc. node-Earth separation 2.39458 au
Desc. node-Earth separation 1.66709 au
Earth MOID 1.47925 au
Orbital period 2079.1 days
Date of orbit computation  apr 23 21:03
Observational summary
Optical observations (Discarded) 180 (3)
Radar observations (Discarded) 0 (0)
Arc length 6758.92 days
Unobserved 199 days

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Ephemeris at epoch 60425 MJD
Right Ascension 20.2493 deg
Declination 1.32254 deg
V Magnitude 21.75 mag
Solar Elongation 17.07 deg
Galactic Latitude -60.67 deg
Rate 0.357 deg/day
Direction 59.958 deg

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