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David Eagle


85 total contributions since 2012

Aerospace engineer (retired)
Professional Interests: aerospace trajectory optimization

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Orbital Mechanics with MATLAB
A comprehensive collection of MATLAB scripts and functions called Orbital Mechanics with MATLAB.

5 months ago | 1239 clicks |

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Two-dimensional, Low-thrust Earth-to-Mars Trajectory Analysis with MATLAB
Determines optimal, two-dimensional low-thrust Earth-to-Mars interplanetary trajectories.

8 months ago | 21 downloads |

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Low-Thrust Orbital Transfer with Solar-Electric Propulsion
orbital transfer using solar-electric propulsion

8 months ago | 9 downloads |

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A MATLAB Implementation of the BV78 ODE Solver
Numerical method for solving systems of ODEs using the BV78 algorithm

11 months ago | 6 downloads |

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

1 year ago | 10 downloads |

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Interplanetary Trajectories Using Solar Electric Propulsion
Efficient computation of optimal interplanetary trajectories using solar electric propulsion

1 year ago | 7 downloads |

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Ballistic Interplanetary Trajectory Design and Optimization
A MATLAB Script for Ballistic Interplanetary Trajectory Design and Optimization

1 year ago | 12 downloads |

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A MATLAB Script for Earth-to-Mars Mission Design
Determines optimal n-body ballistic trajectories from Earth park orbit to encounter at Mars.

1 year ago | 13 downloads |

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A MATLAB Function for Computing Gravity in the Modified Equinoctial Coordinate System
Computes gravity due to the first four zonal harmonics in the modified equinoctial coordinate system

2 years ago | 5 downloads |

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Solar Sail Trajectory Analysis with MATLAB
Two-dimensional trajectory analysis of solar sail Earth-to-Venus and Earth-to-Mars missions.

2 years ago | 5 downloads |

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MATLAB Functions for Two Body Orbit Propagation
Three MATLAB functions for propagating two-body orbits

2 years ago | 37 downloads |

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A MATLAB Script for Earth-to-Mars Interplanetary TCM Optimization
Optimization of interplanetary trajectory correction maneuvers (TCM).

2 years ago | 9 downloads |

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Gravity-assist Trajectory Design and Analysis
A MATLAB Script for Interplanetary Gravity-Assist Trajectory Design and Optimization

2 years ago | 28 downloads |

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Gooding's State Vector-to-Orbital Elements Algorithm
MATLAB demo script and function that implements Gooding's method.

2 years ago | 8 downloads |

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Predicting Apogee and Perigee of the Moon
This MATLAB script uses the MICE geometry finder to predict the time of lunar apogee and perigee.

2 years ago | 4 downloads |

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Optimal Finite-burn Interplanetary Injection from Earth Orbit
A MATLAB script for optimizing finite-burn interplanetary injection trajectories.

2 years ago | 11 downloads |

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Lambert's Problem
MATLAB functions and scripts for solving the geocentric and heliocentric Lambert problem.

2 years ago | 52 downloads |

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Lunar Free-Return Trajectory Analysis with MATLAB
A MATLAB script for designing two-dimensional lunar free-return trajectories

2 years ago | 15 downloads |

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A MATLAB Script for Optimal Single Impulse De-orbit from Earth Orbits
optimal impulsive maneuver required to de-orbit a spacecraft in a circular or elliptical Earth orbit

2 years ago | 5 downloads |

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Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories
Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories

2 years ago | 6 downloads |

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Impulsive Hyperbolic Injection from a Circular Earth Park Orbit – NLP Method
PDF document and MATLAB script for interplanetary injection using a nonlinear programming method.

2 years ago | 4 downloads |

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Aerospace Trajectory Optimization Using Direct Transcription and Collocation
Demonstrates the solution of an aerospace trajectory optimization problem.

2 years ago | 20 downloads |

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A MATLAB Script for Propagating Trajectories from the Earth to the Moon
Integrate n-body trajectories from the Earth to the Moon. Includes non-spherical Earth gravity.

2 years ago | 14 downloads |

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A MATLAB Script for Predicting Orbital Events of the Moon
A MATLAB script named levents.m that can be used to compute important orbital events of the Moon.

3 years ago | 5 downloads |

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A MATLAB Script for Computing Hyperbolic Coordinates
This script demonstrates how to compute C3, RLA, and DLA of a hyperbolic orbit.

3 years ago | 3 downloads |

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Impulsive Hyperbolic Injection from a Circular Earth Park Orbit
Delta-v required for impulsive hyperbolic orbit transfer

3 years ago | 2 downloads |

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Closest Approach Between the Earth and Heliocentric Objects
MATLAB script that predicts closest approach between the Earth and heliocentric objects.

3 years ago | 6 downloads |

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Low Thrust Transfer Between Non-coplanar Circular Orbits
Design and analyze low-thrust orbit transfers

3 years ago | 14 downloads |

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Repeating Ground Track Orbit Design
Four MATLAB scripts for designing and analyzing repeating ground track orbits.

3 years ago | 23 downloads |

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Composite Orbit Design
Composite orbits are combinations of orbits that have special geometric & dynamic characteristics.

3 years ago | 8 downloads |

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