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David Eagle


Last seen: Today |  Attivo dal 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Lunar Gravity Assist to a Geosynchronous Transfer Orbit
Design an n-body trajectory from low Earth orbit (LEO) to a geosynchronous transfer orbit (GTO) using a gravity assist of the Mo...

10 giorni fa | 1 download |

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

circa 2 mesi fa | 2 download |

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

circa 2 mesi fa | 3 download |

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

circa 2 mesi fa | 4 download |

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

circa 2 mesi fa | 11 download |

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

2 mesi fa | 7 download |

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

2 mesi fa | 6 download |

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

3 mesi fa | 31 download |

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Computer Methods for Aerospace Trajectory Optimization
Additional technical documentation for the Orbital Mechanics with MATLAB scripts posted on the Mathworks File Exchange.

3 mesi fa | 4 download |

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MATLAB functions for solving Lambert's problem
Three MATLAB functions and a script that demonstrates how to interact with each Lambert routine.

3 mesi fa | 7 download |

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Gravity-Assist with a Powered Flyby - OTB version
MATLAB script that can be used to design and optimize interplanetary trajectories that include a powered flyby gravity assist.

3 mesi fa | 3 download |

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Gravity-Assist with a Powered Flyby - SNOPT version
MATLAB script that can be used to design and optimize interplanetary trajectories that include a powered gravity assist.

3 mesi fa | 1 download |

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

4 mesi fa | 19 download |

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

5 mesi fa | 2 download |

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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 requirements for Lunar traje...

5 mesi fa | 1 download |

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A MATLAB Script for Predicting Equinoxes and Solstices
Predict the calendar date & UTC time of the equinoxes and solstices for a user-defined calendar year

11 mesi fa | 2 download |

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

11 mesi fa | 8 download |

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Numerical Prediction of Orbital Events
MATLAB script and user's manual for predicting important root-finding and extrema orbital events

circa un anno fa | 4 download |

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A MATLAB Script for Predicting Solar Eclipses
Predict local circumstances of solar eclipses.

circa un anno fa | 16 download |

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Propagating Interplanetary Trajectories from Earth to Mars
Numerically integrate the orbital equations of motion of an Earth to Mars interplanetary trajectory.

circa un anno fa | 8 download |

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A MATLAB Implementation of a Jean Meeus Lunar Algorithm
compute the mean equinox of date position of the moon using the algorithm in chapter 45 of Astronomical Algorithms by Jean Meeus...

circa un anno fa | 2 download |

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Converting a state vector/orbital elements to a TLE
MATLAB scripts that can be used to calculate an a Two Line Element (TLE) from a user-provided osculating state vector or orbital...

oltre un anno fa | 15 download |

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N-body, Single Gravity-Assist Trajectory Design - SNOPT
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

oltre un anno fa | 2 download |

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N-body, Single Gravity-Assist Trajectory Design - OTB
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

oltre un anno fa | 1 download |

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Geodetic and Geocentric Coordinates
A suite of MATLAB functions for converting between geodetic and geocentric coordinates.

circa 2 anni fa | 2 download |

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Halo Orbit Design Using Differential Correction
Script for creating "re-fined" initial conditions for Halo orbits in the Earth-Moon circular-restricted, three-body problem.

circa 2 anni fa | 21 download |

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Halo Orbit Design using Richardson's Algorithm
MATLAB script for creating graphic displays of Halo orbits in the circular-restricted, three-body problem.

circa 2 anni fa | 29 download |

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Ballistic Trajectory Optimization from Earth to an Asteroid
MATLAB script for optimizing two-body, ballistic trajectories from Earth to the an asteroid.

circa 2 anni fa | 6 download |

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The Circular-Restricted Three-Body Problem
Compute and plot characteristics of the circular-restricted three-body problem.

circa 2 anni fa | 35 download |

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The Long-term Evolution of Geosynchronous Transfer Orbits
Interactive MATLAB script that predicts the long-term evolution of geosynchronous transfer orbits.

circa 2 anni fa | 3 download |

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