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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


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

ungefär 7 timmar ago | 600 downloads |

Submitted


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

ungefär 23 timmar ago | 8 downloads |

Submitted


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

6 dagar ago | 4 downloads |

Submitted


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

8 dagar ago | 4 downloads |

Submitted


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

9 dagar ago | 8 downloads |

Submitted


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

9 dagar ago | 2 downloads |

Submitted


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

14 dagar ago | 4 downloads |

Submitted


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

20 dagar ago | 6 downloads |

Submitted


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

27 dagar ago | 3 downloads |

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.

ungefär en månad ago | 3 downloads |

Submitted


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

ungefär en månad ago | 5 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...

ungefär 2 månader ago | 4 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.

ungefär 2 månader ago | 2 downloads |

Submitted


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

ungefär 2 månader ago | 5 downloads |

Submitted


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

2 månader ago | 2 downloads |

Submitted


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

2 månader ago | 2 downloads |

Submitted


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

2 månader ago | 12 downloads |

Submitted


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

3 månader ago | 3 downloads |

Submitted


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

3 månader 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.

3 månader 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

3 månader ago | 5 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.

3 månader ago | 3 downloads |

Submitted


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

3 månader ago | 8 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

3 månader 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.

3 månader ago | 4 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...

4 månader ago | 2 downloads |

Submitted


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

4 månader ago | 3 downloads |

Submitted


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

4 månader ago | 1 download |

Submitted


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

4 månader ago | 8 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...

4 månader ago | 4 downloads |

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