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David Eagle


Last seen: 1 day ago Active since 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Submitted


Trajectory Optimization from Earth to an Asteroid - SNOPT
MATLAB script for optimizing two-body, ballistic trajectories from Earth to an asteroid using the SNOPT algorithm

2 days ago | 3 downloads |

0.0 / 5

Submitted


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

2 days ago | 1 download |

0.0 / 5

Submitted


Ballistic Interplanetary Trajectory Optimization - SNOPT
Design and optimize patched-conic, ballistic interplanetary trajectories between any two celestial bodies of our solar system.

3 days ago | 3 downloads |

0.0 / 5

Submitted


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

3 days ago | 5 downloads |

5.0 / 5

Submitted


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

17 days ago | 18 downloads |

3.7 / 5

Submitted


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

18 days ago | 9 downloads |

0.0 / 5

Submitted


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

22 days ago | 9 downloads |

5.0 / 5

Submitted


Modeling a Finite-burn Trans-lunar Injection Maneuver
MATLAB script for modeling a constant thrust, constant specific impulse, finite-burn trans-lunar injection maneuver from Earth o...

27 days ago | 3 downloads |

0.0 / 5

Submitted


MATLAB Implementation of "Lunar Tables and Programs"
MATLAB demo and function that computes the coordinates of the Moon using algorithms from in "Lunar Tables and Programs".

1 month ago | 9 downloads |

0.0 / 5

Submitted


Modeling Aero-assist Flight Mechanics
Numerically integrate the flight path equations of motion of an aero-assist vehicle performing a single atmospheric pass.

1 month ago | 7 downloads |

4.0 / 5

Submitted


Modeling Low-thrust Interplanetary Trajectories
Demonstrates how to model a low-thrust interplanetary trajectory from Earth to Mars.

1 month ago | 7 downloads |

0.0 / 5

Submitted


Modeling Rocket Ascent from the Moon
Model the launch of a single-stage rocket-propelled vehicle from the surface of the Moon.

1 month ago | 6 downloads |

0.0 / 5

Submitted


Trajectory Modeling in the Flight Path System
Demonstrates how to model the trajectory of aerospace vehicles in the flight path coordinate system.

2 months ago | 13 downloads |

5.0 / 5

Submitted


Evaluating a JPL Ephemeris with MICE
Demonstrates ephemeris calculations using the MATLAB version of the JPL Spice library (MICE).

2 months ago | 7 downloads |

0.0 / 5

Submitted


Mutual Visibility Between Two Earth Satellites
Determine times when two Earth satellites have line-of-sight visibility to each other

2 months ago | 1 download |

0.0 / 5

Submitted


Closest Approach Between a Ground Site and Earth Satellite
Determine the time and closest approach distance between a ground site or observer and an Earth satellite in a circular or ellip...

2 months ago | 9 downloads |

0.0 / 5

Submitted


Closest Approach Between Two Earth Satellites
Determine closest approach between two Earth satellites in circular or elliptical orbits.

2 months ago | 13 downloads |

0.0 / 5

Submitted


Hyperbolic Injection from a Circular Earth Park Orbit SNOPT
MATLAB script for modeling interplanetary injection using the SNOPT programming method.

2 months ago | 2 downloads |

4.0 / 5

Submitted


Hyperbolic Injection from a Circular Earth Park Orbit – OTB
Determine delta-v required for coplanar and non-coplanar impulsive hyperbolic orbit transfers

2 months ago | 3 downloads |

0.0 / 5

Submitted


Lunar Free-Return Trajectory Analysis - OTB version
Optimization Toolbox version of the MATLAB script which models two-dimensional free-return lunar trajectories.

2 months ago | 3 downloads |

5.0 / 5

Submitted


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

2 months ago | 4 downloads |

0.0 / 5

Submitted


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

2 months ago | 1 download |

0.0 / 5

Submitted


Graphics Display of Satellite Rise and Set Conditions
Compute and display graphics information about observer-to-satellite visibility conditions.

3 months ago | 1 download |

0.0 / 5

Submitted


Computing Phases of the Moon
A MATLAB Script for Computing Phases of the Moon

3 months ago | 3 downloads |

0.0 / 5

Submitted


MICE Geometry Finder Examples - Part 2
Interactive MATLAB scripts that demonstrate how to use the JPL MICE geometry finder software subsystem.

3 months ago | 3 downloads |

0.0 / 5

Submitted


Predicting Orbital Events of the Moon
A MATLAB script named lunar_events that can be used to compute important orbital events of the Moon's motion.

3 months ago | 2 downloads |

0.0 / 5

Submitted


Mice Geometry Finder Examples
A collection of MATLAB scripts that demonstrate how to use the JPL/MICE geometry finder software subsystem.

3 months ago | 2 downloads |

0.0 / 5

Submitted


Predicting Rise and Set of the Sun, Moon and Planets
Predict the times of rise and set of celestial bodies. Compute and display topocentric coordinates (azimuth and elevation) of th...

4 months ago | 1 download |

0.0 / 5

Submitted


Predict Local Circumstances of Transits of Mercury & Venus
Predicting local circumstances (topocentric azimuth and elevation) of solar transits of the planets Mercury and Venus.

4 months ago | 2 downloads |

0.0 / 5

Submitted


Predicting Local Circumstances of Solar Eclipses
Predict local circumstances (UTC and topocentric coordinates) of solar eclipses.

4 months ago | 5 downloads |

0.0 / 5

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