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David Eagle


Last seen: Today Active since 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Submitted


Parametric Analysis of TLI Delta-V Lunar Trajectories (OTB)
Optimization Toolbox version of the tli_sweep MATLAB script that performs a parametric sweep of TLI characteristics for Lunar tr...

12 hours ago | 136 downloads |

0.0 / 5

Submitted


Pork Chop Plots of Ballistic Earth-to-Mars Trajectories
A MATLAB Script for Creating Pork Chop Plots of Ballistic Earth-to-Mars Trajectories

3 days ago | 30 downloads |

3.0 / 5

Submitted


Ballistic Interplanetary Trajectory Optimization - SNOPT
Design and optimize patched-conic, ballistic interplanetary trajectories between any two planets of our solar system.

14 days ago | 3 downloads |

0.0 / 5

Submitted


Ballistic Interplanetary Trajectory Optimization - OTB
Optimization Toolbox version of a MATLAB script that solves the two impulse, patched-conic interplanetary trajectory problem.

18 days ago | 5 downloads |

5.0 / 5

Submitted


Gravity Perturbed Optimal Orbital Transfer Analysis - OTB
Optimal two impulse transfer subject to non-spherical gravity perturbations - Optimization Toolbox version

21 days ago | 4 downloads |

0.0 / 5

Submitted


Gravity Perturbed Optimal Orbital Transfer Analysis - SNOPT
Optimal two impulse transfer subject to non-spherical gravity perturbations

21 days ago | 4 downloads |

0.0 / 5

Submitted


Optimal Impulsive Orbital Transfer - SNOPT version
MATLAB script for the solution of the one and two impulse orbit transfer between two Earth orbits.

21 days ago | 2 downloads |

0.0 / 5

Submitted


Optimal Impulsive Orbital Transfer - OTB version
MATLAB script for the solution of the one and two impulse orbital transfer between two Earth orbits.

21 days ago | 7 downloads |

5.0 / 5

Submitted


Finite-burn raise of a circular or elliptical orbit - SNOPT
This script can be used to model a finite-burn maneuver that raises the perigee or apogee of an initial circular or elliptical o...

2 months ago | 2 downloads |

0.0 / 5

Submitted


Finite-burn lower of a circular or elliptical orbit - SNOPT
This script can be used to model a finite-burn maneuver that lowers the perigee or apogee of an initial circular or elliptical o...

2 months ago | 2 downloads |

0.0 / 5

Submitted


Finite-burn circularization of an elliptical orbit - SNOPT
This script circularizes an initial elliptical orbit by performing a finite-burn maneuver at apogee of the initial elliptical or...

2 months ago | 1 download |

0.0 / 5

Submitted


Finite-burn lower of a circular or elliptical orbit - OTB
This script can be used to model a finite-burn maneuver that lowers the perigee or apogee of an initial circular or elliptical o...

2 months ago | 2 downloads |

0.0 / 5

Submitted


Finite-burn raise of a circular or elliptical orbit - OTB
This script can be used to model a finite-burn maneuver that raises the perigee or apogee of an initial circular or elliptical o...

2 months ago | 2 downloads |

0.0 / 5

Submitted


Finite-burn circularization of an elliptical orbit - OTB
This script circularizes an initial elliptical orbit by performing a finite-burn maneuver at apogee of the initial elliptical or...

2 months ago | 2 downloads |

0.0 / 5

Submitted


Numerical Solutions of Kepler's Equation
A demo script for a suite of MATLAB functions for solving Kepler's equation.

3 months ago | 4 downloads |

4.5 / 5

Submitted


The Gravity Perturbed Hohmann Transfer - SNOPT version
MATLAB script for solving the Hohmann transfer problem perturbed by non-spherical Earth gravity.

3 months ago | 3 downloads |

5.0 / 5

Submitted


The Gravity-perturbed Hohmann Transfer - OTB version
MATLAB script that solves the non-spherical gravity-perturbed two impulse Hohmann orbit transfer problem.

3 months ago | 1 download |

5.0 / 5

Submitted


The Hohmann Orbit Transfer
Computes characteristics for coplanar and non-coplanar Hohmann orbit transfers.

3 months ago | 6 downloads |

5.0 / 5

Submitted


Earth-to-Mars End-to-End Mission Design – OTB
Create and optimize an end-to-end ballistic trajectory from Earth park orbit to encounter at Mars

3 months ago | 2 downloads |

0.0 / 5

Submitted


Gravity-assist Trajectory Optimization - SNOPT version
A MATLAB Script for Interplanetary Patched-Conic, Single Gravity-Assist Trajectory Design, Analysis and Optimization

4 months ago | 8 downloads |

3.7 / 5

Submitted


Gravity-assist Trajectory Optimization - OTB version
A MATLAB Script for Interplanetary Patched-Conic, Single Gravity-Assist Trajectory Design, Analysis and Optimization

4 months ago | 5 downloads |

0.0 / 5

Submitted


Hyperbolic Injection from a Circular Earth Park Orbit – OTB
Determine delta-v required for coplanar and non-coplanar impulsive hyperbolic orbit transfers using the Optimization Toolbox.

5 months ago | 1 download |

0.0 / 5

Submitted


Hyperbolic Injection from a Circular Earth Park Orbit SNOPT
MATLAB script for modeling interplanetary injection from an Earth escape hyperbolic orbit using the SNOPT programming method.

5 months ago | 2 downloads |

4.0 / 5

Submitted


Hyperbolic Injection from a Circular Earth Orbit
PDF document and script for computing the coplanar impulsive transfer from a circular Earth orbit to an interplanetary hyperboli...

5 months ago | 1 download |

0.0 / 5

Submitted


Trans-Lunar Trajectory Optimization – SNOPT
SNOPT version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar encounter.

5 months ago | 2 downloads |

0.0 / 5

Submitted


Trans-Lunar Trajectory Optimization - OTB
Optimization Toolbox version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar en...

5 months ago | 7 downloads |

5.0 / 5

Submitted


Designing Interplanetary Launch Trajectories
Preliminary design and analysis of interplanetary launch trajectories.

5 months ago | 6 downloads |

0.0 / 5

Submitted


Closest Approach Between a Ground Site and Earth Satellite
Determine the closest approach conditions between a ground site or observer and an Earth satellite in a circular or elliptical o...

6 months ago | 1 download |

0.0 / 5

Submitted


Orbital Inclination as a Function of Launch Azimuth
This script can be used to determine the relationship between orbital inclination and launch azimuth for a user-defined launch s...

7 months ago | 1 download |

0.0 / 5

Submitted


Predicting Shadow Conditions of Earth Satellites
Three MATLAB scripts for predicting shadow (Earth eclipse) conditions of satellites in circular and elliptical orbits.

7 months ago | 3 downloads |

0.0 / 5

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