The Earth Followers

A heliocentric orbit is an orbit around the barycenter of the Solar System, the Sun. All planets, comets, and asteroids in the Solar System, and the Sun itself are in such orbits, as are many artificial probes and pieces of debris. The list of artificial objects in heliocentric orbit. Ulysses was one of them.

I had previously proposed Solar Surrounder Satellite Network to allow communication with the regions behind the sun. Sending probes and rovers to other planets makes more sense if we can keep in touch with them all year long.

The closest mission to my proposal was STEREO, a solar observation mission. However, my proposition is to deploy satellites that would follow Earth on it's orbit around the sun and relay the signals. Most probably it would be achievable without requiring gravity assist of another planet.