Goldstone radar evidence for short-axis mode non-principal-axis rotation of near-Earth asteroid (214869) 2007 PA8

Marina Brozović, Lance A.M. Benner, Christopher Magri, Daniel J. Scheeres, Michael W. Busch, Jon D. Giorgini, Michael C. Nolan, Joseph S. Jao, Clement G. Lee, Lawrence G. Snedeker, Marc A. Silva, Kenneth J. Lawrence, Martin A. Slade, Michael D. Hicks, Ellen S. Howell, Patrick A. Taylor, Juan A. Sanchez, Vishnu Reddy, Melissa Dykhuis, Lucille Le Corre