The triple near-Earth asteroid (153591) 2001 SN263: an ultra-blue, primitive target for the Aster space missionD. Perna, A. Alvarez-Candal, S. Fornasier, Z. Kaňuchová, S. M. Giuliatti Winter, E. Vieira Neto and O. C. WinterA&A, 568 (2014) L6DOI: https://doi.org/10.1051/0004-6361/201424447
