25143 itokawa composition

The observed Band II position for (25143) Itokawa gives a pyroxene composition of Fe44 ± 5, which is much higher than those observed in LL-chondrites. 1.97 µm with a pyroxene composition containing Fe22-25 [14,15] (Fig.

The Hayabusa Mission.

2). P S R D presents: Samples from Asteroid Itokawa --Short Slide Summary (with accompanying notes).
These pyroxene compositions are suggestive of phases crystallized from partial melts. 25143 Itokawa is classified as an S-type asteroid and inferred to consist of materials similar to ordinary chondrites or primitive achondrites [1]. Itokawa, un Astéroïde Cacahuète Etonnant Vue schématique de Itokawa (ESO/Japan Aerospace Exploration Agency) Il s'appelle Itokawa.

Asteroid 25143 Itokawa Dust Particles: Mineralogy and Chondrite Affinities Suporn Boonsue and John G. Spray Planetary and Space Science Centre, University of New Brunswick, NB, E3B 5A3, Canada In the third international announcement of opportunity (AO3) for Hayabusa mission sample investigation, we received three dust particle samples. The mean pyroxene composition is significantly more Fe-rich than the Fs14-26 range found in ordinary chondrites. Near-infrared spectroscopy by the Hayabusa spacecraft proposed that the surface of this body has an olivine-rich mineral assemblage potentially similar to that of LL5 or LL6 chondrites with different degrees of space weathering [2]. 25143 Itokawa: What We Know and What We Are Trying to Find Out T. H. Burbine Astronomy Department, Mount Holyoke College, 50 College Street, South Hadley, MA 01075, USA L. Folco Museo Nazionale dell’Antartide, Via Laterina 8, 53100 Siena, Italy Abstract. The Hayabusa mission to near-Earth object 25143 Itokawa will bring the first sample of an asteroid back to Earth.

This suggests that Fe (and most likely Ca), is enriched in some portion of the pyroxene found on the asteroid. 25143 Itokawa, also known as 1998 SF36, was discovered by LINEAR in 1998 and is named after the late Hideo Itokawa, considered one of the fathers of Japan's space program. 25143 Itokawa is a small asteroid that was the target of the Japanese Hayabusa (MUSES-C) probe – the first spacecraft to return a sample of material from an asteroid.

Hayabusa blasted off from the Kagoshima Space Center in Japan on May 9, 2003.

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