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(13553) Masaakikoyama  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.18885 7.529e-09 au
e 0.46425 2.769e-08
i 5.874 2.593e-06 deg
Ω 193.526 3.053e-05 deg
ω 109.915 3.218e-05 deg
M 201.081 8.078e-06 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1727 au
Aphelion 3.205 au
Asc. node-Earth separation 1.03971 au
Desc. node-Earth separation 0.48405 au
Earth MOID 0.18917 au
Orbital period 1182.83 days
Date of orbit computation   Feb 19 14:49
Observational summary
Optical observations (Discarded) 889 (5)
Radar observations (Discarded) 0 (0)
Arc length 13755 days
Unobserved 38 days

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Ephemeris at epoch 57841 MJD
Right Ascension 121.307 deg
Declination 14.3671 deg
V Magnitude 21.81 mag
Solar Elongation -112.02 deg
Galactic Latitude 22.7 deg
Rate 0.04 deg/day
Direction 2.191 deg

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