David Eagle

Last seen: 4 days 前 | 自 2012 起处于活动状态

Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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A MATLAB Script for Predicting Equinoxes and Solstices
Predict the calendar date & UTC time of the equinoxes and solstices for a user-defined calendar year

4 months 前 | 2 次下载 |

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

5 months 前 | 8 次下载 |

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

6 months 前 | 2 次下载 |

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A MATLAB Script for Predicting Solar Eclipses
Predict local circumstances of solar eclipses.

6 months 前 | 3 次下载 |

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Propagating Interplanetary Trajectories from Earth to Mars
Numerically integrate the orbital equations of motion of an Earth to Mars interplanetary trajectory.

7 months 前 | 4 次下载 |

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A MATLAB Implementation of a Jean Meeus Lunar Algorithm
compute the mean equinox of date position of the moon using the algorithm in chapter 45 of Astronomical Algorithms by Jean Meeus...

8 months 前 | 1 次下载 |

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Converting a state vector/orbital elements to a TLE
MATLAB scripts that can be used to calculate an a Two Line Element (TLE) from a user-provided osculating state vector or orbital...

9 months 前 | 20 次下载 |

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N-body, Single Gravity-Assist Trajectory Design - SNOPT
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

1 year 前 | 1 次下载 |

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N-body, Single Gravity-Assist Trajectory Design - OTB
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

1 year 前 | 2 次下载 |

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

1 year 前 | 3 次下载 |

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Halo Orbit Design Using Differential Correction
Script for creating "re-fined" initial conditions for Halo orbits in the Earth-Moon circular-restricted, three-body problem.

1 year 前 | 19 次下载 |

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Halo Orbit Design using Richardson's Algorithm
MATLAB script for creating graphic displays of Halo orbits in the circular-restricted, three-body problem.

1 year 前 | 16 次下载 |

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

1 year 前 | 1 次下载 |

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The Circular-Restricted Three-Body Problem
Compute and plot characteristics of the circular-restricted three-body problem.

1 year 前 | 11 次下载 |

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The Long-term Evolution of Geosynchronous Transfer Orbits
Interactive MATLAB script that predicts the long-term evolution of geosynchronous transfer orbits.

1 year 前 | 4 次下载 |

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Rise and Set of the Sun, Moon and Planets
Topocentric rise and set of the Sun, Moon and planets. Source ephemeris is DE421 with MICE and NOVAS routines.

1 year 前 | 3 次下载 |

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A MATLAB Script for Predicting Lunar Occultations
Predict the local circumstances of lunar occultations of a planet or star.

1 year 前 | 1 次下载 |

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A MATLAB Script for Predicting Transits of Mercury and Venus
Local circumstances of solar transits of the planets Mercury and Venus.

1 year 前 | 1 次下载 |

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A MATLAB Script for Predicting Lunar Eclipses
Predicting the local circumstances of lunar eclipses.

1 year 前 | 1 次下载 |

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

1 year 前 | 1 次下载 |

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

1 year 前 | 2 次下载 |

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

1 year 前 | 2 次下载 |

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

1 year 前 | 4 次下载 |

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Apparent Coordinates of the Moon, Sun or a Planet
MATLAB script that can be used to compute the apparent coordinates of the Moon, Sun or a planet.

1 year 前 | 4 次下载 |

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Predicting Apogee and Perigee of the Moon
This MATLAB script uses the MICE geometry finder to predict the time of lunar apogee and perigee.

1 year 前 | 3 次下载 |

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A MATLAB Script for Predicting the Evolution of Lunar Orbits
Script for propagating spacecraft lunar orbits subject to non-spherical lunar gravity and third-body gravity.

1 year 前 | 4 次下载 |

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Propagating Trajectories from the Earth to the Moon
Integrate n-body trajectories from the Earth to the Moon. Includes non-spherical Earth gravity.

1 year 前 | 9 次下载 |

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

1 year 前 | 3 次下载 |

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Earth-to-Mars Interplanetary Pork Chop Plots
A MATLAB Script for Creating Pork Chop Plots of Ballistic Earth-to-Mars Trajectories

1 year 前 | 5 次下载 |

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Coverage Characteristics of Earth Satellites
Compute coverage characteristics of single Earth satellites and Walker and user-defined constellations

1 year 前 | 7 次下载 |

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