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(9517) Niehaisheng  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.61112 1.042e-08 au
e 0.229085 4.898e-08
i 5.805 5.361e-06 deg
Ω 49.991 3.971e-05 deg
ω 329.051 4.083e-05 deg
M 261.155 9.673e-06 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.013 au
Aphelion 3.2093 au
Asc. node-Earth separation 1.07776 au
Desc. node-Earth separation 2.06769 au
Earth MOID 1.01753 au
Orbital period 1541.13 days
Date of orbit computation  Oct 31 05:01
Observational summary
Optical observations (Discarded) 1272 (8)
Radar observations (Discarded) 0 (0)
Arc length 17691.5 days
Unobserved 155 days

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Ephemeris at epoch 58438 MJD
Right Ascension 254.131 deg
Declination -25.0803 deg
V Magnitude 19.67 mag
Solar Elongation -22.46 deg
Galactic Latitude 11.2 deg
Rate 0.404 deg/day
Direction 97.56 deg

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