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2011UD21  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.978626 1.999e-06 au
e 0.030427 3.86e-06
i 1.061 9.081e-05 deg
Ω 22.35 0.0007155 deg
ω 209.758 0.00363 deg
M 99.676 0.01004 deg

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Other useful info
Absolute Magnitude (H)    28.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9488 au
Aphelion distance 1.0084 au
Asc. node-Earth separation 0.0079 au
Desc. node-Earth separation -0.04987 au
Earth MOID 0.00371 au
Orbital period 353.609 days
Date of orbit computation   feb 26 11:09
Observational summary
Optical observations (Discarded) 90 (1)
Radar observations (Discarded) 0 (0)
Arc length 37 days
Unobserved 4563 days

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Ephemeris
(Epoch 60452 MJD)
Right Ascension 41.2613 deg
Declination 15.9945 deg
V Magnitude 30.83 mag
Solar Elongation 17.34 deg
Galactic Latitude -38.82 deg
Rate 0.963 deg/day
Direction 72.049 deg

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