Knobel Crater is an impact crater in the Eridania quadrangle of Mars, located at 6.7°S latitude and 226.8°W longitude. It is128.6 km in diameter and was named after Edward Knobel, and the name was approved in 1973 by the International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN).
- "Gazetteer of Planetary Nomenclature | Knobel". usgs.gov. International Astronomical Union. Retrieved 4 March 2015.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>