I think almost all (if not all) of the 18 instances of the tag could be replaced with or just be removed. There's only one question where it is the only tag currently present.

There's no usage guidance; I think the tag is simply unnecessary.

Do we need this tag? If not, what would be the most prudent way to proceed?


From what I can see, the current usage of the tag is:

  1. General orbital mechanics questions.
  2. Systems in Earth orbit.
  3. Launches specifically dealing with reaching orbit, like sub-orbital vs. orbital comparisons.

From what I can see, only 1) is strictly unnecessary. (skimming the 18 questions, I think that's the case for 8-10 of them)

It's a nice and simple tag though, so I feel that if the missing usage guidance problem is dealt with, it could be a reasonable tag.

Things to do:

  • Remove it from some of the orbital mechanics questions.
  • Come up with a usage guidance. I think describing what it is would be more valuable than outright removing it. We just don't have it well-defined yet.
  • $\begingroup$ Okay sounds good! Do you think the usage guidance should specify Earth, or would entering or being in orbit around other bodies also be included? Do you think it could also includes concepts like orbital insertion? $\endgroup$ – uhoh Sep 7 '19 at 13:01

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