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(20831) Zhangyi  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.25235 6.101e-09 au
e 0.057035 3.318e-08
i 2.067 3.986e-06 deg
Ω 355.731 7.779e-05 deg
ω 312.12 8.481e-05 deg
M 69.572 3.455e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1239 au
Aphelion 2.3808 au
Asc. node-Earth separation 1.1582 au
Desc. node-Earth separation 1.33965 au
Earth MOID 1.10952 au
Orbital period 1234.68 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2279 (7)
Radar observations (Discarded) 0 (0)
Arc length 11568 days
Unobserved 133 days

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Ephemeris at epoch 60419 MJD
Right Ascension 26.9377 deg
Declination 11.9556 deg
V Magnitude 19.55 mag
Solar Elongation -0.81 deg
Galactic Latitude -48.6 deg
Rate 0.509 deg/day
Direction 68.537 deg

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