Home/Basic Physics/Gravitation/Total energy of a circular orbit10. GravitationTotal energy of a circular orbitIn 10. GravitationFormulaCopy LaTeXE=−GMm2rE=-\frac{GMm}{2r}E=−2rGMmTagsenergyphysicsphysics formulagravitationDetailTotal mechanical energy of a circular orbit, equal to minus GMm/(2r).Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedUniversal gravitational potential energyU(r)=−GMmrU(r)=-G\frac{Mm}{r}U(r)=−GrMmOpen formulaOpen in sectionRelatedCircular orbital velocityvorb=GMrv_{\text{orb}}=\sqrt{\frac{GM}{r}}vorb=rGMOpen formulaOpen in section