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David Eagle


Last seen: Today Active since 2012

Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Submitted


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

3 months ago | 9 downloads |

Submitted


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

4 months ago | 4 downloads |

Submitted


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

9 months ago | 4 downloads |

Submitted


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.

9 months ago | 15 downloads |

Submitted


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

9 months ago | 16 downloads |

Submitted


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

10 months ago | 5 downloads |

Submitted


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

10 months ago | 33 downloads |

Submitted


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

10 months ago | 3 downloads |

Submitted


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

10 months ago | 2 downloads |

Submitted


Rise and Set of the Sun, Moon and Planets
Topocentric rise and set of the Sun, Moon and planets. Source ephemeris is DE421 with MICE and NOVAS routines.

10 months ago | 4 downloads |

Submitted


A MATLAB Script for Predicting Lunar Occultations
Predict the local circumstances of lunar occultations of a planet or star.

10 months ago | 4 downloads |

Submitted


A MATLAB Script for Predicting Transits of Mercury and Venus
Local circumstances of solar transits of the planets Mercury and Venus.

10 months ago | 5 downloads |

Submitted


A MATLAB Script for Predicting Lunar Eclipses
Predicting the local circumstances of lunar eclipses.

10 months ago | 6 downloads |

Submitted


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

10 months ago | 2 downloads |

Submitted


Graphics Display of Orbital Characteristics of the Planets
Graphics display of the heliocentric, ecliptic orbital characteristics of the solar system planets.

10 months ago | 2 downloads |

Submitted


Earth-to-Mars Interplanetary TCM Optimization - SNOPT
Optimization of interplanetary trajectory correction maneuvers (TCM) during Earth-to-Mars spaceflight.

10 months ago | 5 downloads |

Submitted


Earth-to-Mars Interplanetary TCM Optimization - OTB
Optimization Toolbox version of the MATLAB script that determines optimal Earth-to-Mars TCM maneuvers.

10 months ago | 3 downloads |

Submitted


Apparent Position of a Star
PDF document and MATLAB script that computes the geocentric and topocentric apparent position of a star.

10 months ago | 10 downloads |

Submitted


Apparent Coordinates of the Moon, Sun or a Planet
MATLAB script that can be used to compute the apparent coordinates of the Moon, Sun or a planet.

10 months ago | 2 downloads |

Submitted


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

10 months ago | 1 download |

Submitted


A MATLAB Script for Predicting the Evolution of Lunar Orbits
Script for propagating spacecraft lunar orbits subject to non-spherical lunar gravity and third-body gravity.

10 months ago | 6 downloads |

Submitted


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

10 months ago | 14 downloads |

Submitted


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

10 months ago | 9 downloads |

Submitted


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

10 months ago | 25 downloads |

Submitted


Coverage Characteristics of Earth Satellites
Compute coverage characteristics of single Earth satellites and Walker and user-defined constellations

11 months ago | 13 downloads |

Submitted


Predicting Closest Approach of Apophis
MATLAB script for predicting close approaches between the asteroid Apophis and Earth.

11 months ago | 3 downloads |

Submitted


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

11 months ago | 7 downloads |

Submitted


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

11 months ago | 6 downloads |

Submitted


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

11 months ago | 2 downloads |

Submitted


Mean and Osculating Classical Orbital Elements
MATLAB algorithms for converting to/from mean and osculating orbital elements.

11 months ago | 11 downloads |

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