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AstDyS ∴ Objects ∴ Masaakikoyama ∴ Summary
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(13553) Masaakikoyama  ▹ 
SUMMARY

Warning: This object is a Near Earth Asteroid. You can have more detailed information looking at
its home page on the NEODyS web site

Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.18914 1.215e-09 au
e 0.463727 1.703e-08
i 5.876 1.812e-06 deg
Ω 193.463 1.975e-05 deg
ω 109.962 2.101e-05 deg
M 272.322 2.268e-06 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.174 au
Aphelion 3.2043 au
Asc. node-Earth separation 1.04151 au
Desc. node-Earth separation 0.48474 au
Earth MOID 0.18978 au
Orbital period 1183.06 days
Date of orbit computation  feb 22 01:52
Observational summary
Optical observations (Discarded) 2026 (13)
Radar observations (Discarded) 0 (0)
Arc length 16281.3 days
Unobserved 92 days

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Ephemeris at epoch 60423 MJD
Right Ascension 152.437 deg
Declination 8.28567 deg
V Magnitude 20.78 mag
Solar Elongation -118.4 deg
Galactic Latitude 47.41 deg
Rate 0.065 deg/day
Direction -26.717 deg

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