circumsolar

[ sur-kuh m-soh-ler ]
/ ˌsɜr kəmˈsoʊ lər /

adjective

directed, traveling, etc., around the sun: the earth's circumsolar course.

Origin of circumsolar

First recorded in 1840–50; circum- + solar1

British Dictionary definitions for circumsolar

circumsolar
/ (ˌsɜːkəmˈsəʊlə) /

adjective

surrounding or rotating around the sun