Orbital Mechanics 101

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Published 2014-12-19
What is an orbit? How do you reach orbit? How do you change orbits? Mars One Astronaut Candidate Ryan MacDonald explains the basics of orbital mechanics.
- This is what goes on behind the scenes of Kerbal Space Program!

The concepts explored in this video are used in Part 2 - 'Getting to Mars: The Hohmann Transfer':    • Getting to Mars: The Hohmann Transfer   - to plan a mission to Mars.

All Comments (21)
  • Nice actually seeing this on paper. Gonna have to try some of these equations playing KSP. 🙃awesome video
  • You forgot to point out that the total energy is the sum of kinetic and potential, but potential is negative because the G has a minus sign in front of it, and that's why you've got a minus sign in the equation despite having said "plus."
  • @d4m14nev4ns
    Great video, Ryan! Looking forward to Part II
  • @wolboatpo
    You have explained this amazingly, thank you!
  • @Krogren
    This is interesting and useful! Thank you for preparing such a comprehensive lecture!
  • @daddycool510
    Loved the video bro, I look forward to watching some of your other stuff!
  • @ameliarose4257
    Great video! Can't wait to learn more because I'm planning on being a test pilot and hopefully an astronaut so videos like this really help me with school!😁
  • I like your videos. You're full of energy and able to condense the information while keeping it simple. If you're not already a professor, I would recommend you try teaching. You seem to have a knack for it :) You helped me a lot, Thanks!
  • @deathcoder
    WOW! I really enjoyed this video. I'd like to make those calculations to see how big of a rocket do I need (almost 0 payload and by big I mean mass) to put it in orbit. I learned a lot. Thanks
  • @XXfea
    Many thanks... more please 😊
  • @Neocharm
    Excellent explanation. Thanks very much. I wish you were my Professor.
  • @travelinjack830
    Thank You!!! much LOVE ♥️♥️♥️♥️♥️♥️♥️