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David Eagle


Last seen: 2 jours il y a Actif depuis 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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A soumis


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

3 jours il y a | 8 téléchargements |

4.5 / 5

A soumis


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

8 jours il y a | 1 téléchargement |

0.0 / 5

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

10 jours il y a | 7 téléchargements |

5.0 / 5

A soumis


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

12 jours il y a | 4 téléchargements |

5.0 / 5

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

13 jours il y a | 4 téléchargements |

5.0 / 5

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

14 jours il y a | 9 téléchargements |

5.0 / 5

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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

24 jours il y a | 4 téléchargements |

0.0 / 5

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

environ un mois il y a | 5 téléchargements |

3.7 / 5

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

environ un mois il y a | 4 téléchargements |

0.0 / 5

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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.

2 mois il y a | 2 téléchargements |

0.0 / 5

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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.

2 mois il y a | 2 téléchargements |

4.0 / 5

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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...

2 mois il y a | 1 téléchargement |

0.0 / 5

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

2 mois il y a | 3 téléchargements |

0.0 / 5

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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...

2 mois il y a | 5 téléchargements |

5.0 / 5

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

3 mois il y a | 4 téléchargements |

0.0 / 5

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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...

4 mois il y a | 1 téléchargement |

0.0 / 5

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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...

5 mois il y a | 1 téléchargement |

0.0 / 5

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

5 mois il y a | 5 téléchargements |

0.0 / 5

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Predicting Rise and Set of an Earth Satellite
Three MATLAB scripts for predicting rise and set of an Earth satellite relative to an observer or ground site on an oblate Earth...

5 mois il y a | 1 téléchargement |

0.0 / 5

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Analytic Orbit Propagation – Method of Markley and Jeletic
Fast analytic orbit propagator using the method of Markley and Jeletic.

5 mois il y a | 1 téléchargement |

0.0 / 5

A soumis


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

5 mois il y a | 11 téléchargements |

4.7 / 5

A soumis


Finite-burn Interplanetary Injection from Earth Orbit SNOPT
A MATLAB script for optimizing finite-burn interplanetary injection trajectories from an initial circular Earth orbit using SNOP...

5 mois il y a | 2 téléchargements |

4.0 / 5

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Finite-burn Interplanetary Injection from Earth Orbit - OTB
Optimization Toolbox version of a MATLAB script that can be used to model finite-burn interplanetary injection from a circular E...

5 mois il y a | 2 téléchargements |

0.0 / 5

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

5 mois il y a | 2 téléchargements |

0.0 / 5

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A MATLAB implementation of the BDQRF root-finding algorithm
MATLAB function for calculating the single real root of a non-linear function using the Bisected Direct Quadratic Regula Falsi m...

6 mois il y a | 2 téléchargements |

0.0 / 5

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Graphic Display of Satellite Ground Tracks and Orbits
MATLAB script named satplot.m that demonstrates how to graphically display satellite ground tracks and orbits.

7 mois il y a | 4 téléchargements |

5.0 / 5

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Visibility Contours of the Sun and Moon
Create graphic visibility contours of the Sun and Moon at a user-specified calendar date and time.

7 mois il y a | 1 téléchargement |

0.0 / 5

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Computer Graphics for the ilt_sos computer program
Create graphic displays of flight performance characteristics created with the "Low-Thrust Interplanetary Trajectory with SOS" ...

7 mois il y a | 1 téléchargement |

0.0 / 5

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ATO Using Direct Transcription and Collocation - OTB
Demonstrates the solution of an aerospace trajectory optimization problem using direct transcription and collocation.

7 mois il y a | 2 téléchargements |

4.0 / 5

A soumis


Selenocentric Coordinates and Transformations
MATLAB functions for computing selenocentric (moon-centered) coordinates and transformations.

7 mois il y a | 2 téléchargements |

0.0 / 5

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