A few minor improvements and WIP experiments that may be forgotten otherwise

[MLopez-Ibanez]

A few minor improvements and WIP experiments that may be forgotten otherwise. Feel free to cherry-pick whatever you find useful. This will probably not pass the tests as a whole as it is a collection of different ideas.

[codecov]

Codecov Report

Merging #1392 (4b8708f) into main (01a12df) will decrease coverage by 0.17%.
The diff coverage is 81.00%.

@@            Coverage Diff             @@
##             main    #1392      +/-   ##
==========================================
- Coverage   92.08%   91.90%   -0.18%     
==========================================
  Files          82       82              
  Lines        4346     4410      +64     
  Branches      363      365       +2     
==========================================
+ Hits         4002     4053      +51     
- Misses        255      268      +13     
  Partials       89       89              

Impacted Files	Coverage Δ
src/poliastro/twobody/propagation.py	91.75% <ø> (ø)
src/poliastro/twobody/thrust/change_argp.py	100.00% <ø> (ø)
...oliastro/twobody/thrust/change_ecc_quasioptimal.py	100.00% <ø> (ø)
src/poliastro/plotting/_base.py	85.46% <50.00%> (ø)
src/poliastro/twobody/orbit.py	87.38% <57.14%> (-0.55%)	⬇️
src/poliastro/core/util.py	86.81% <78.26%> (-8.75%)	⬇️
src/poliastro/core/iod.py	90.21% <81.48%> (+0.16%)	⬆️
src/poliastro/core/elements.py	100.00% <100.00%> (ø)
src/poliastro/core/thrust/change_ecc_inc.py	100.00% <100.00%> (ø)
src/poliastro/maneuver.py	97.82% <100.00%> (+0.12%)	⬆️

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[astrojuanlu]

A million thanks @MLopez-Ibanez. I will have a look at this over the coming days.