990 Yerkes [SEP] discoverer or inventor
990 Yerkes
990 Yerkes is a main belt asteroid discovered by Belgian-American astronomer George Van Biesbroeck in 1922, and named after the Yerkes Observatory.
Photometric observations of this asteroid collected during 2009 show a rotation period of 24.45 ± 0.05 hours with a brightness variation of 0.35 ± 0.05 magnitude.
Institutes of Health, located in Atlanta, Georgia at Emory University
- Yerkes–Dodson law, an empirical relationship between arousal and performance first noted by Robert M. Yerkes and John Dillingham Dodson
- 990 Yerkes, main belt asteroid
- Yerkes (crater), on the moon