Laplace-P

[7] However, to avoid the damaging effects of Jupiter's radiation belts, the destination of the lander was switched in 2011 from Europa to Ganymede.

One spacecraft would orbit the moon Ganymede, while the lander would perform a soft landing on its surface.

The advanced Russian project Laplace-P orbiter's objectives is to map the surface for lander.

On the other hand, the Ganymedean gravitational parameter (GM = 9887.8 km3/s2) makes the landing on it from the orbit more difficult than in the case of Europa.

[13] The main objectives of the mission would have been to study Ganymede's atmosphere, icy surface, habitability, and perform an in-situ search for biosignatures.