Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Masaakikoyama ∴ Orbital info
Contact »
(13553) Masaakikoyama  ▹ 
Keplerian elements
(Epoch 60000.0 MJD)
Value 1-σ variation Units
a 2.18856 1.483e-09 au
e 0.464027 1.777e-08
i 5.877 2.06e-06 deg
Ω 193.462 2.167e-05 deg
ω 109.986 2.235e-05 deg
M 150.547 1.947e-06 deg
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.173 au
Aphelion distance 3.2041 au
Asc. node-Earth separation 1.04136 au
Desc. node-Earth separation 0.48155 au
Earth MOID 0.18822 au
Orbital period 1182.6 days
Date of orbit computation   Dec 27 13:44


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 57332.0 MJD
Near present day (ASCII file) Epoch 60000.0 MJD


Note. The elements are given with reduced precision in order to be more readable. For full precision please use the machine-readable ASCII files, which contain Equinoctial (not Keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.