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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


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

3 months ago | 2 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.

3 months ago | 14 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.

3 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.

4 months ago | 3 downloads |

Submitted


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

4 months ago | 31 downloads |

Submitted


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

4 months ago | 4 downloads |

Submitted


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

4 months ago | 4 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.

4 months ago | 2 downloads |

Submitted


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

4 months ago | 3 downloads |

Submitted


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

4 months ago | 3 downloads |

Submitted


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

4 months ago | 1 download |

Submitted


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

4 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.

4 months ago | 4 downloads |

Submitted


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

4 months ago | 3 downloads |

Submitted


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

4 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.

4 months ago | 2 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.

4 months ago | 3 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.

4 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.

4 months ago | 3 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.

4 months ago | 10 downloads |

Submitted


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

4 months ago | 13 downloads |

Submitted


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

4 months ago | 19 downloads |

Submitted


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

4 months ago | 7 downloads |

Submitted


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

5 months ago | 3 downloads |

Submitted


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

5 months ago | 4 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...

5 months ago | 8 downloads |

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

5 months ago | 3 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

5 months ago | 3 downloads |

Submitted


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

5 months ago | 7 downloads |

Submitted


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

5 months ago | 9 downloads |

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