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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


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

1 day ago | 3 downloads |

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...

17 days ago | 3 downloads |

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.

19 days ago | 3 downloads |

Submitted


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

22 days ago | 5 downloads |

Submitted


Predicting Local Circumstances of Lunar Eclipses
Predict the local circumstances (times and topocentric coordinates of the Moon) of lunar eclipses.

24 days ago | 3 downloads |

Submitted


Predicting Local Circumstances of Lunar Occultations
Predict the local circumstances (topocentric azimuth and elevation) of lunar occultations of a planet or star.

26 days ago | 3 downloads |

Submitted


Flight Performance of a Single Stage Rocket
Predict the maximum altitude and "best" liftoff mass of a single stage rocket.

1 month ago | 3 downloads |

Submitted


A MATLAB Script for Predicting Orbital Events of the Planets
Predicts interesting orbital events of the planets of our solar system.

1 month ago | 6 downloads |

Submitted


A MATLAB Script for 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.

1 month ago | 8 downloads |

Submitted


Graphics Display of Orbital Characteristics of the Planets
Graphics display of the J2000 heliocentric orbital characteristics of the solar system planets.

2 months ago | 8 downloads |

Submitted


Graphics Display of the Orbital Characteristics of the Moon
MATLAB script which graphically displays the orbital characteristics of the the Moon's motion.

2 months ago | 6 downloads |

Submitted


Parametric Analysis of Earth-to-Mars Trajectories - OTB
perform a parametric “sweep” of ballistic interplanetary trajectories from a user-defined Earth park orbit to encounter at Mars

2 months ago | 7 downloads |

Submitted


Earth-to-Mars End-to-End Mission Design – SNOPT
Design and optimize a trajectory from Earth park orbit to encounter at Mars using the SNOPT nonlinear programming algorithm.

2 months ago | 3 downloads |

Submitted


Modeling Orbital Maneuvers with MATLAB
Seven MATLAB scripts for modeling impulsive and finite-burn orbital maneuvers

2 months ago | 15 downloads |

Submitted


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

2 months ago | 6 downloads |

Submitted


Trans-Earth Trajectory Correction Maneuver – OTB
Optimize a single impulsive trajectory correction maneuver (TCM) on a trans-Earth (Moon-to-Earth) trajectory.

2 months ago | 5 downloads |

Submitted


Trans-Earth Trajectory Correction Maneuver - SNOPT
Optimize a single trans-Earth (Moon-to-Earth) impulsive trajectory correction maneuver (TCM). Target to entry interface (EI) or...

2 months ago | 2 downloads |

Submitted


Trans-Lunar Trajectory Correction Maneuver – OTB
Optimize a single trajectory correction maneuver (TCM) located on a trans-lunar trajectory.

3 months ago | 3 downloads |

Submitted


Trans-Lunar Trajectory Correction Maneuver – SNOPT
Optimize a single trajectory correction maneuver (TCM) on a trans-lunar trajectory

3 months ago | 3 downloads |

Submitted


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

3 months ago | 5 downloads |

Submitted


N-body Lunar Free Return Trajectory Analysis – SNOPT
design an n-body, gravity-perturbed lunar free-return transfer trajectory from a circular Earth orbit to a final user-defined Ea...

3 months ago | 4 downloads |

Submitted


N-body Lunar Free Return Trajectory Analysis – OTB
Design and optimization of lunar free-return trajectories. Target to a final mission orbit or entry interface at Earth.

4 months ago | 4 downloads |

Submitted


Impulsive Trans-Lunar Trajectory Optimization – SNOPT
SNOPT version of the tlto_matlab script used to design preliminary lunar missions from Earth park orbit to B-plane encounter.

4 months ago | 4 downloads |

Submitted


Finite-burn De-orbit from Earth Orbit – SNOPT
Optimize a finite-burn maneuver that de-orbits a spacecraft from an initial circular or elliptical Earth orbit to a user-defined...

6 months ago | 3 downloads |

Submitted


Finite-burn De-orbit from Earth Orbit – OTB
Design a finite-burn maneuver that de-orbits a spacecraft from an initial circular or elliptical Earth orbit to a user-defined E...

6 months ago | 3 downloads |

Submitted


Finite-burn raise of a circular or elliptical orbit - OTB
This script can be used to model a finite-burn maneuver that raises the perigee or apogee of an initial circular or elliptical o...

7 months ago | 3 downloads |

Submitted


Finite-burn lower of a circular or elliptical orbit - OTB
This script can be used to model a finite-burn maneuver that lowers the perigee or apogee of an initial circular or elliptical o...

7 months ago | 3 downloads |

Submitted


Finite-burn circularization of an elliptical orbit - OTB
This script circularizes an initial elliptical orbit by performing a finite-burn maneuver at apogee of the initial elliptical or...

7 months ago | 2 downloads |

Submitted


Finite-burn raise of a circular or elliptical orbit - SNOPT
This script can be used to model a finite-burn maneuver that raises the perigee or apogee of an initial circular or elliptical o...

7 months ago | 3 downloads |

Submitted


Finite-burn lower of a circular or elliptical orbit - SNOPT
This script can be used to model a finite-burn maneuver that lowers the perigee or apogee of an initial circular or elliptical o...

7 months ago | 2 downloads |

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