Asteroids named after people called Joanna

(20142) Joannaclark

Joanna V. Clark (b. 1991) is an American planetary scientist who is an expert on the stability of chlorate and perchlorate minerals. Her research on these salts is critical for interpreting data from the SHERLOC instrument on the Mars 2020 rover and understanding the preservation of organics on Mars.Discovered 8 September 1996 by Spacewatch, Kitt Peak

(21860) Joannaguy

Joanna Christine Guy (b. 1991) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her behavioral science project. She attends the Southern Middle School, Oakland, Maryland.Discovered 10 October 1999 by LINEAR, Socorro

(70712) Danieljoanna

Daniel (b. 1929) and Joanna Rose (b. 1930), through their philanthropic interest in social justice, education, science literacy, and the health and wealth of the human species, had the vision to support Cosmos: A Spacetime Odyssey, becoming an acclaimed 13-part TV series, airing in 45 languages and 180 countries.Discovered 31 October 1999 by CSS, Catalina