Detectability of YORP rotational slowing of asteroid 25143 Itokawa D. Vokrouhlický, D. Čapek, M. Kaasalainen and S. J. Ostro A&A, 414 2 (2004) L21-L24 Published online: 19 January 2004 DOI: 10.1051/0004-6361:20031739