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(13553) Masaakikoyama  ▹ 
SUMMARY
Keplerian elements
(Epoch 58800.0 MJD)
Value 1-σ variation Units
a 2.1894 1.236e-09 au
e 0.463999 1.834e-08
i 5.874 1.896e-06 deg
Ω 193.489 2.083e-05 deg
ω 109.934 2.268e-05 deg
M 145.355 2.393e-06 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1735 au
Aphelion distance 3.2053 au
Asc. node-Earth separation 1.04262 au
Desc. node-Earth separation 0.48397 au
Earth MOID 0.19009 au
Orbital period 1183.27 days
Date of orbit computation   Sep 19 17:29
Observational summary
Optical observations (Discarded) 1828 (13)
Radar observations (Discarded) 0 (0)
Arc length 14460 days
Unobserved 242 days

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Ephemeris
(Epoch 58750 MJD)
Right Ascension 120.034 deg
Declination 15.1995 deg
V Magnitude 22.4 mag
Solar Elongation 61.51 deg
Galactic Latitude 21.91 deg
Rate 0.247 deg/day
Direction 106.452 deg

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