Information About25143 Itokawa |
| CATEGORIES ABOUT 25143 ITOKAWA | |
| apollo asteroids | |
| itokawa | |
| asteroids visited by spacecraft | |
| s-type asteroids | |
|
name=25143 Itokawa | ||
| Discoverer | LINEAR |
|
| Discovered | September 26 1998 |
|
| Mp 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° |
|
| Avg Speed | 2537 km/ S |
|
| Dimensions | 535 × 294 × 209 m Akira Fujiwara, et al, The Rubble-Pile Asteroid Itokawa as Observed by Hayabusa , Science, Vol 312 no 5778, pp 1330 - 1334, June 2, 2006 |
|
| Mass | (351±0105) Kg ditto, (358±018) kg Shunsuke Abe, et al, Mass and Local Topography Measurements of Itokawa by Hayabusa , Science, Vol 312 no 5778, pp 1344 - 1347, June 2, 2006 |
|
| Density | 19 ±013 g/ Cm³ ditto, 195 ± 014 g/cm³ ditto |
|
| Surface Grav | ~00001 m/s&2 |
|
| Escape Velocity | ~00002 km/s |
|
| Rotation | 05055 d (12132 h) M Kaasalainen, et al, CCD photometry and model of MUSES-C target (25143) 1998 SF36 , Astronomy and Astrophysics, v405, pL29-L32 (2003) |
|
| Spectral Type | S |
|
| Abs Magnitude | 192 |
|
| Albedo | 053 |
|
|