Jupiter Europa Orbiter

Artist concept of the Europa Jupiter System Mission:Jupiter Europa Orbiter (top) andJupiter Ganymede Orbiter (bottom).
Mission type	Europa orbiter
Operator	NASA
Website	sci.esa.int
Mission duration	Cancelled
Spacecraft properties
Launch mass	1,371 kg (3,023 lb)
Start of mission
Launch date	2020 (planned)
Rocket	Delta IV Heavy orAtlas V
Orbital parameters
Reference system	Europa orbit
Inclination	95°–100°
Europa orbiter
Orbital insertion	2026 (proposed)
Europa Jupiter System Mission (EJSM–Laplace) ← Jupiter Ganymede Orbiter Jupiter Magnetospheric Orbiter →

As a part of the defunctEuropa Jupiter System Mission – Laplace (EJSM-Laplace), theJupiter Europa Orbiter (JEO) was a proposedorbiterprobe slated for lift-off in 2020 and planned for detailed studies ofJupiter's moonsEuropa andIo as well as theJovian magnetosphere.^[1] Its main goal would have been to look for evidence of a possible subsurface ocean.^[2]

In June 2015, a more economical mission, theEuropa Multiple-Flyby Mission, renamed intoEuropa Clipper, was approved byNASA and entered the formulation stage.^[3]

• Europa Orbiter (former NASA plan cancelled in 2002).
• Europa Clipper (the next mission plan for Europa, non-nuclear orbiter for Jupiter doing Europa flybys).
• Europa Lander (NASA) (stand-alone mission for NASA Europa Lander) (Note: there was also a concept for a Europa Clipper add-on lander).

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