In the real. of achievable but not yet done, I want a Neptune and/or Uranus orbiter. A Neptune orbiter could give us a detailed look at both an ice giant and i

In the real. of achievable but not yet done, I want a Neptune and/or Uranus orbiter. A Neptune orbiter could give us a detailed look at both an ice giant and it's dwarf-planet-sized moon Triton, believed to be a captured KBO.