Information About

25143 Itokawa
  CATEGORIES ABOUT 25143 ITOKAWA
   
apollo asteroids
   
itokawa
   
asteroids visited by spacecraft
   
s-type asteroids
   
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  Discoverer LINEAR
  Discovery Date September 26 , 1998
  Category Apollo Asteroid ,<br> Mars-crosser Asteroid
  Epoch August 18 , 2005 ( JD 24536005)
  Semimajor 198044 G M (1324 AU )
  Perihelion 142568 Gm (0953 AU)
  Aphelion 253520 Gm (1695 AU)
  Eccentricity 0280
  Period 556355 D (152 A )
  Inclination 1622 °
  Asc Node 69095°
  Arg Peri 162760°
  Mean Anomaly 294502°
  Speed 2537 km/ S
  Dimensions 540 × 270 × 210 m
  Mass 343 (±5%) Kg Akira Fujiwara, 37th Lunar and Planetary Science Conference, 2006 {Link without Title}
  Density 19 (±7%) g/ Cm³ ditto
  Gravity ~00001 m/s&2
  Escape Velocity ~00002 km/s
  Rotation 05055 d (12132 h) {Link without Title}
  Spectral Class S
  Abs Mag 192
  Albedo 053


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