orbiter
spacecraft which orbits a planet or other celestial body
Mars Global Surveyor
US spacecraft developed by NASA's Jet Propulsion Laboratory
Venus Express
ESA spacecraft which orbited Venus
Uranus Orbiter and Probe
proposed Uranus orbiter and atmospheric probe
Galileo
NASA robotic space probe that studied the Jupiter system, as well as asteroids Gaspra and Ida
Magellan
NASA robotic space probe that studied the planet Venus
Mars Orbiter Mission
Indian Mars orbiter (2013-2022)
Jupiter Europa Orbiter
canceled orbiter mission concept to Europa
Europa Clipper
NASA space mission en route to Jupiter and Europa
lunar orbiter
spacecraft which orbits the Moon
Jupiter Icy Moons Explorer
mission of the European Space Agency to explore Jupiter’s moons
Mars Telecommunications Orbiter
cancelled Mars mission that was originally intended to launch in 2009 and would have established an Interplanetary Internet between Earth and Mars
EnVision
proposed mission to Venus
Mars Express
European Mars orbiter
Jupiter Icy Moons Orbiter
proposed NASA spacecraft designed to explore the icy moons of Jupiter
Uranus Pathfinder
mission concept for the Uranian system
Psyche
NASA spacecraft en route to metallic asteroid 16 Psyche
VERITAS
proposed spacecraft mission to Venus
Cassini
space probe that went to Saturn, part of Cassini−Huygens mission
Juno
NASA spacecraft orbiting the planet Jupiter
Crew Exploration Vehicle
proposed spacecraft for the Constellation program, became the Orion spacecraft
Pioneer Venus Orbiter
NASA space probe to Venus
Jupiter Ganymede Orbiter
cancelled European space probe to the Jupiter system
MUSE
European proposal for a dedicated mission to the planet Uranus
Deimos and Phobos Interior Explorer
ESA spaceflight mission concept to study the moons of Mars
Neptune Odyssey
NASA orbiter mission concept to study the Neptune system
Mars Reconnaissance Orbiter
NASA space probe in orbit of Mars
orbital module
spacecraft section intended for use only in space
Europa Orbiter
cancelled space probe
Laplace-P
proposed orbiter and lander by the Russian Federal Space Agency designed to study the Jovian moon system and land on Ganymede