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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


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...

8 Tage 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...

etwa ein Monat vor | 5 Downloads |

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.

etwa ein Monat vor | 5 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...

etwa ein Monat vor | 4 Downloads |

0.0 / 5

Gesendet


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

etwa 2 Monate vor | 9 Downloads |

0.0 / 5

Gesendet


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

etwa 2 Monate vor | 22 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...

etwa 2 Monate vor | 3 Downloads |

4.0 / 5

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Finite-burn Interplanetary Injection from Earth Orbit - OTB
Optimization Toolbox version of a MATLAB script that can be used to model finite-burn interplanetary injection from a circular E...

etwa 2 Monate vor | 2 Downloads |

0.0 / 5

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Interplanetary Injection from a Circular Earth Orbit
PDF document and script for computing the coplanar single impulse transfer from a circular Earth orbit to a hyperbolic orbit.

etwa 2 Monate vor | 5 Downloads |

0.0 / 5

Gesendet


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

etwa 2 Monate vor | 5 Downloads |

0.0 / 5

Gesendet


A MATLAB implementation of the BDQRF root-finding algorithm
MATLAB function for calculating the single real root of a non-linear function using the Bisected Direct Quadratic Regula Falsi m...

3 Monate vor | 4 Downloads |

0.0 / 5

Gesendet


Graphic Display of Satellite Ground Tracks and Orbits
MATLAB script named satplot.m that demonstrates how to graphically display satellite ground tracks and orbits.

3 Monate vor | 3 Downloads |

5.0 / 5

Gesendet


Visibility Contours of the Sun and Moon
Create graphic visibility contours of the Sun and Moon at a user-specified calendar date and time.

3 Monate vor | 1 Download |

0.0 / 5

Gesendet


Computer Graphics for the ilt_sos computer program
Create graphic displays of flight performance characteristics created with the "Low-Thrust Interplanetary Trajectory with SOS" ...

4 Monate vor | 1 Download |

0.0 / 5

Gesendet


ATO Using Direct Transcription and Collocation - OTB
Demonstrates the solution of an aerospace trajectory optimization problem using direct transcription and collocation.

4 Monate vor | 2 Downloads |

4.0 / 5

Gesendet


Selenocentric Coordinates and Transformations
MATLAB functions for computing selenocentric (moon-centered) coordinates and transformations.

4 Monate vor | 2 Downloads |

0.0 / 5

Gesendet


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...

5 Monate vor | 1 Download |

0.0 / 5

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Trans-Lunar Trajectory Correction Maneuver – SNOPT
Optimize a single impulsive trajectory correction maneuver (TCM) on a trans-lunar trajectory using the SNOPT numerical method.

6 Monate vor | 2 Downloads |

0.0 / 5

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

6 Monate vor | 2 Downloads |

0.0 / 5

Gesendet


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

6 Monate vor | 4 Downloads |

0.0 / 5

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

6 Monate vor | 4 Downloads |

0.0 / 5

Gesendet


Bi-elliptic Transfer Between Coplanar Circular Orbits
Bi-elliptic orbital transfer between two coplanar circular Earth orbits.

6 Monate vor | 7 Downloads |

4.5 / 5

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

6 Monate vor | 9 Downloads |

5.0 / 5

Gesendet


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

6 Monate vor | 1 Download |

0.0 / 5

Gesendet


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.

6 Monate vor | 2 Downloads |

0.0 / 5

Gesendet


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

6 Monate vor | 3 Downloads |

0.0 / 5

Gesendet


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

6 Monate vor | 1 Download |

5.0 / 5

Gesendet


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

7 Monate vor | 2 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

7 Monate vor | 5 Downloads |

0.0 / 5

Gesendet


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

7 Monate vor | 3 Downloads |

5.0 / 5

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