(17851) Kaler = 1998 JK
James B. Kaler (b. 1938), a professor at the University of Illinois
from 1976 to 2003 known for his spectroscopic research on planetary nebulae,
has with books and an outstanding website also worked tirelessly to educate
planetarians, teachers, students and amateur astronomers, always being
available to answer their questions.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.