Itokawa (25143) Asteroid

Int


Astronomical specifications:

Discovery 
Orbital characteristics:
Distance from Sun  km
Perihelion  (106 km)
Aphelion  (106 km)
Inclination  deg
Eccentricity 
Orbital periode rond Sun  days
Main orbital speed  km/s
Inclination to Sun equator  deg
Number of moons 
Rings 
Physical characteristics:
Dimensions  km
Radius  km
Surface area  km²
Volume  106 km³
Mass  1024 kg
Density  g/cm³
Equatorial surface gravity  m/s²
Escape velocity  km/s
Rotation period  days
Surface temperature  K
Axial tilt  deg
Atmospheric composition 

Image of asteroid Itokawa taken by Hayabusa. Credit: ISAS, JAXA



Orbit on Dec 3, 2006



Itokawa missions:

Name Launch
Date
Launch rocket Weight
(kg)
Mission
Hayabusa (Japan) 09-May-03 M-V-5 530 kg Asteroid orbiter and sample return. Arrived at asteroid Itokawa Sep-05; fuel leak has put mission future in doubt. Planned sample return is Jun-10. Originally named MUSES-C.


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