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(18771) Sisiliang  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.39953 6.609e-09 au
e 0.189941 3.33e-08
i 2.147 3.756e-06 deg
Ω 208.817 8.319e-05 deg
ω 119.808 8.369e-05 deg
M 163.429 8.76e-06 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9438 au
Aphelion 2.8553 au
Asc. node-Earth separation 1.54925 au
Desc. node-Earth separation 1.11934 au
Earth MOID 0.93348 au
Orbital period 1357.65 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2074 (13)
Radar observations (Discarded) 0 (0)
Arc length 15494.2 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 121.677 deg
Declination 18.0612 deg
V Magnitude 20.72 mag
Solar Elongation -90.87 deg
Galactic Latitude 24.47 deg
Rate 0.177 deg/day
Direction 97.547 deg

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