A heliocentric orbit is an orbit around the sun. In our Solar System all planets, comets, and asteroids are in such orbits as are many man-made probes and peices of debris. In physics, an orbit is the path that an object makes, around another object, whilst under the influence of a source of centripetal force, such as gravity. ... A sun is the star at the center of a solar system. ... Mosaic of Solar System planets except Pluto, including Earths Moon (not to scale). ...
Artificial satellites are launched into Earth orbit, and spacecraft bound for other locations in the solar system usually begin their missions by first attaining Earth orbit, before altering course to another planet, moon, or heliocentric (solar) orbit.
Of special interest are LEO (Low Earth Orbit), HEO (High Earth Orbit) and geosynchronous orbit.
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