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lamont
  • Member for 6 years, 1 month
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  • Seattle, WA
11 votes
1 answer
1k views

Improvements to script for Finite Burn Trajectory Optimization with MATLAB

7 votes
1 answer
439 views

How to optimize time of ignition for an on-orbit burn and/or coast phase on ascent?

5 votes
4 answers
304 views

What is the numerical procedure to find the next closest approach between two bodies on keplerian orbits?

4 votes
0 answers
50 views

What were the earliest rocket payloads (US and Russian) that supported coasting at anywhere in the ascent?

4 votes
0 answers
88 views

Proper handling of terminal guidance of finite burn closed-loop execution for rendezvous conditions?

3 votes
1 answer
183 views

Find the jump condition of the mass costate of a Launch Vehicle ascent problem solved via an indirect method (Pontryagin Minimum Principle)

3 votes
1 answer
2k views

Optimum delta-v burn to change periapsis or apoapsis at an arbitrary point on an elliptical orbit?

2 votes
0 answers
171 views

How should I fix this ill-conditioned trajectory optimization problem (launch vehicle ascent, direct pseudospectral transcription)?

1 vote
0 answers
169 views

Where can I find this Space Shuttle Memo?