4 ms·

I want to know more... How does one know one is in orbit? How do you work out when to fire you thrusters to leave orbit and head towards something like the mo

• extropy 7y ago
  Radars, star trackers and some math. Random Google link: https://timeandnavigation.si.edu/navigating-space https://timeandnavigation.si.edu/navigating-space
• Aardwolf 7y ago
  Kerbal space program helped me understand a little more of the basics. The computer aid showing the trajectories helps quite a bit and that's demonstrated quite well in KSP.
• bdamm 7y ago
  As we learned in the Hidden Figures (I did anyway) the math is Euler’s method of iteration. So a desired variable (location of touchdown!) is fixed and then the inputs iterated until a successful set of inputs are found.
• yCloser 7y ago
  you need to play Kerbal Space Program....