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(281988) 2011HY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1082 3.134e-08 au
e 0.095683 5.703e-08
i 11.011 5.841e-06 deg
Ω 188.853 2.904e-05 deg
ω 350.811 4.393e-05 deg
M 161.741 3.142e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8108 au
Aphelion 3.4056 au
Asc. node-Earth separation 1.81547 au
Desc. node-Earth separation 2.40072 au
Earth MOID 1.81452 au
Orbital period 2001.53 days
Date of orbit computation  feb 22 02:50
Observational summary
Optical observations (Discarded) 332 (1)
Radar observations (Discarded) 0 (0)
Arc length 6760.04 days
Unobserved 197 days

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Ephemeris at epoch 60398 MJD
Right Ascension 349.365 deg
Declination -0.67684 deg
V Magnitude 22.39 mag
Solar Elongation 18.83 deg
Galactic Latitude -55.24 deg
Rate 0.333 deg/day
Direction 69.84 deg

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