retrograde orbit in a sentence

Examples

1. The limits are a complicated function of the inclination and eccentricity, but in general, prograde orbits with semi-major axes up to 0.47 r H ( Hill sphere radius ) can be stable, whereas for retrograde orbits stability can extend out to 0.67 r H.
2. Gladman is a member of the Canada France Ecliptic Plane Survey ( CFEPS ), and OSSOS survey which has detected and tracked the world's largest sample of well-understood Kuiper Belt comets, including unusual objects like Buffy = 2004 XR190 and Drac = = 2008 KV42, the first transneptunian object on a retrograde orbit around the Sun.