For those hungry for a mission proposal, Planetary Radio did a podcast April 6th on a Neptune orbiter proposal. The best news was that, using an extra kick sta

For those hungry for a mission proposal, Planetary Radio did a podcast April 6th on a Neptune orbiter proposal. The best news was that, using an extra kick stage, either SLS or SpaceX Falcon Heavy could launch 3800kg direct to Neptune for a 16 year cruise, meaning they would not be dependent on gravity assists from Jupiter, which would be out of position if the mission schedule slips. https://www.planetary.org/planetary-radio/2022-brenda-clyde-kirby-runyon-neptune-odyssey https://www.planetary.org/planetary-radio/2022-brenda-clyde-... (Some other links, including pdf studies, are linked from the page above)