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(20817) Liuxiaofeng  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77011 1.223e-08 au
e 0.104362 3.022e-08
i 9.868 3.569e-06 deg
Ω 117.321 2.056e-05 deg
ω 129.643 2.8e-05 deg
M 168.096 1.915e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.481 au
Aphelion 3.0592 au
Asc. node-Earth separation 1.95223 au
Desc. node-Earth separation 1.55279 au
Earth MOID 1.47987 au
Orbital period 1684.01 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2519 (240)
Radar observations (Discarded) 0 (0)
Arc length 11326.8 days
Unobserved 83 days

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Ephemeris at epoch 60425 MJD
Right Ascension 54.5467 deg
Declination 13.0205 deg
V Magnitude 20.25 mag
Solar Elongation -21.3 deg
Galactic Latitude -33.01 deg
Rate 0.363 deg/day
Direction 73.25 deg

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