(15574) Stephaniehass = 2000 GF66 Named in honor of Stephanie A. Hass for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Stephanie is a student at the Manhattan Beach Middle School, Manhattan Beach, California.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.