List of artificial objects in heliocentric orbit

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Below is a current list of artificial objects currently in heliocentric orbit. These do not include man-made objects which are escaping from the Solar System (Pioneer 10, Pioneer 11, Voyager 1, Voyager 2, and New Horizons), Agena, Centaur, or IUS upper stages used on unmanned missions (only the S-IVB upper stages on manned Apollo missions are listed), or objects in the Sun-Earth Lagrange Points.

United States[edit]

The United States has placed in heliocentric orbit:

On Apollos 8 and 10-17, each S-IVB upper stage jettisoned four sections of a truncated conical adapter that supported the Apollo service module and (except for Apollo 8) enclosed the Lunar Module. These panels are in heliocentric orbit, including those from Apollos 13-17 whose S-IVBs impacted the moon, as the S-IVBs jettisoned them before maneuvering themselves into lunar impact trajectories. The panels continued on lunar flyby trajectories into heliocentric orbit.

The adapter panels on Apollo 9 were jettisoned in earth orbit before the S-IVB burned into an earth escape trajectory. They eventually decayed.

U.S.S.R./Russian Federation[edit]

The Soviet Union or the Russian Federation has placed in heliocentric orbit:

European Space Agency (ESA)[edit]

The European Space Agency has placed in heliocentric orbit:


Japan has placed in heliocentric orbit:


China has placed in heliocentric orbit:


India has placed in heliocentric orbit:

  • Mars Orbiter Mission – Successfully inserted into a heliocentric trajectory towards Mars on 30 November 2013.