NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Masaakikoyama ∴ Summary
Contact »
(13553) Masaakikoyama  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.18917 1.245e-09 au
e 0.463886 1.834e-08
i 5.875 1.896e-06 deg
Ω 193.502 2.083e-05 deg
ω 109.907 2.268e-05 deg
M 23.686 2.357e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1736 au
Aphelion 3.2047 au
Asc. node-Earth separation 1.0385 au
Desc. node-Earth separation 0.48422 au
Earth MOID 0.18887 au
Orbital period 1183.09 days
Date of orbit computation   Apr 24 15:34
Observational summary
Optical observations (Discarded) 1828 (13)
Radar observations (Discarded) 0 (0)
Arc length 14460 days
Unobserved 90 days

More info »
Ephemeris at epoch 58598 MJD
Right Ascension 63.6629 deg
Declination 17.2038 deg
V Magnitude 21.79 mag
Solar Elongation -30.84 deg
Galactic Latitude -23.73 deg
Rate 0.417 deg/day
Direction 79.876 deg

More info »





This Web Site has been visited 2041528 times since

and this Page has been visited 6755 times since 2011/06/25