Orbit is an eccentric one around the Sun. Perigee (innermost point of orbit) is about Earth's orbit, apogee (outermost point) was hoped for at least Mars' orbi

Orbit is an eccentric one around the Sun. Perigee (innermost point of orbit) is about Earth's orbit, apogee (outermost point) was hoped for at least Mars' orbit, ended up out in the asteroid belt well past Mars.