How is this different from the Commons Clause?
I doubt “the closest” statement is correct. Parker Solar Probe got as close as 0.125 au (and that just so far), whereby the closest Solar Orbiter gets is 0.284 au.
Since Wekan surfaced, awesome self-hosted list has ~ 20 more options of that sort.
That’s an unfortunate choice of name. PingPlotter has been around for ages and it is very widely used in the industry.