TY - RPRT TI - The Charon-Pluto mass ratio from MKO astrometry AU - Young, L. A. AU - Olkin, C. B. AU - Elliot, J. L. AU - Tholen, D. J. AU - Buie, M. W. PY - 1994 UR - https://ntrs.nasa.gov/citations/19950030751 ID - 19950030751 ER -