The First High-Phase Observations of a KBO: New Horizons Imaging of (15810) 1994 JR1 from the Kuiper Belt
Simon B. Porter et al 2016 ApJ 828 L15
The LORRI instrument on NASA’s New Horizons spacecraft made the first close observations of any Kuiper Belt object other than Pluto, constraining 1994 JR1’s surface properties and rotation period.