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David Eagle


Last seen: 3 Tage vor Aktiv seit 2012

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Gesendet


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...

3 Tage vor | 2 Downloads |

0.0 / 5

Gesendet


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...

3 Tage vor | 3 Downloads |

0.0 / 5

Gesendet


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

3 Tage vor | 5 Downloads |

0.0 / 5

Gesendet


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...

9 Tage vor | 5 Downloads |

0.0 / 5

Gesendet


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...

9 Tage vor | 6 Downloads |

0.0 / 5

Gesendet


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...

9 Tage vor | 4 Downloads |

0.0 / 5

Gesendet


Gravity Perturbed Optimal Orbital Transfer Analysis - SNOPT
Optimal two impulse transfer subject to non-spherical gravity perturbations

22 Tage vor | 5 Downloads |

0.0 / 5

Gesendet


Gravity Perturbed Optimal Orbital Transfer Analysis - OTB
Optimal two impulse transfer subject to non-spherical gravity perturbations - Optimization Toolbox version

24 Tage vor | 2 Downloads |

0.0 / 5

Gesendet


Numerical Solutions of Kepler's Equation
A demo script for a suite of MATLAB functions for solving Kepler's equation.

27 Tage vor | 11 Downloads |

4.5 / 5

Gesendet


Optimal Impulsive Orbital Transfer - SNOPT version
MATLAB script for the solution of the one and two impulse orbit transfer between two Earth orbits.

etwa ein Monat vor | 2 Downloads |

0.0 / 5

Gesendet


Optimal Impulsive Orbital Transfer - OTB version
MATLAB script for the solution of the one and two impulse orbital transfer between two Earth orbits.

etwa ein Monat vor | 9 Downloads |

5.0 / 5

Gesendet


The Gravity Perturbed Hohmann Transfer - SNOPT version
MATLAB script for solving the Hohmann transfer problem perturbed by non-spherical Earth gravity.

etwa ein Monat vor | 4 Downloads |

5.0 / 5

Gesendet


The Gravity-perturbed Hohmann Transfer - OTB version
MATLAB script that solves the non-spherical gravity-perturbed two impulse Hohmann orbit transfer problem.

etwa ein Monat vor | 6 Downloads |

5.0 / 5

Gesendet


The Hohmann Orbit Transfer
Computes characteristics for coplanar and non-coplanar Hohmann orbit transfers.

etwa ein Monat vor | 9 Downloads |

5.0 / 5

Gesendet


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

etwa 2 Monate vor | 6 Downloads |

0.0 / 5

Gesendet


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

2 Monate vor | 4 Downloads |

3.7 / 5

Gesendet


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

2 Monate vor | 8 Downloads |

0.0 / 5

Gesendet


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

3 Monate vor | 3 Downloads |

0.0 / 5

Gesendet


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

3 Monate vor | 2 Downloads |

4.0 / 5

Gesendet


Hyperbolic Injection from a Circular Earth Orbit
PDF document and script for computing the coplanar impulsive transfer from a circular Earth orbit to an interplanetary hyperboli...

3 Monate vor | 1 Download |

0.0 / 5

Gesendet


Trans-Lunar Trajectory Optimization – SNOPT
SNOPT version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar encounter.

3 Monate vor | 3 Downloads |

0.0 / 5

Gesendet


Trans-Lunar Trajectory Optimization - OTB
Optimization Toolbox version of the tlto script for designing preliminary trans-lunar missions from Earth park orbit to lunar en...

3 Monate vor | 6 Downloads |

5.0 / 5

Gesendet


Designing Interplanetary Launch Trajectories
Preliminary design and analysis of interplanetary launch trajectories.

4 Monate vor | 6 Downloads |

0.0 / 5

Gesendet


Closest Approach Between a Ground Site and Earth Satellite
Determine the closest approach conditions between a ground site or observer and an Earth satellite in a circular or elliptical o...

4 Monate vor | 2 Downloads |

0.0 / 5

Gesendet


Orbital Inclination as a Function of Launch Azimuth
This script can be used to determine the relationship between orbital inclination and launch azimuth for a user-defined launch s...

5 Monate vor | 1 Download |

0.0 / 5

Gesendet


Predicting Shadow Conditions of Earth Satellites
Three MATLAB scripts for predicting shadow (Earth eclipse) conditions of satellites in circular and elliptical orbits.

5 Monate vor | 6 Downloads |

0.0 / 5

Gesendet


Predicting Rise and Set of an Earth Satellite
Three MATLAB scripts for predicting rise and set of an Earth satellite relative to an observer or ground site on an oblate Earth...

6 Monate vor | 1 Download |

0.0 / 5

Gesendet


Analytic Orbit Propagation – Method of Markley and Jeletic
Fast analytic orbit propagator using the method of Markley and Jeletic.

6 Monate vor | 1 Download |

0.0 / 5

Gesendet


MATLAB solutions of Lambert's problem
MATLAB functions and scripts for solving the geocentric and heliocentric Lambert problem.

6 Monate vor | 9 Downloads |

4.7 / 5

Gesendet


Finite-burn Interplanetary Injection from Earth Orbit SNOPT
A MATLAB script for optimizing finite-burn interplanetary injection trajectories from an initial circular Earth orbit using SNOP...

6 Monate vor | 2 Downloads |

4.0 / 5

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