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David Eagle


Last seen: Today Active since 2012

Aerospace engineer (retired)
Professional Interests: aerospace trajectory optimization

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Submitted


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

alrededor de 13 horas ago | 4 downloads |

Submitted


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.

alrededor de 18 horas ago | 4 downloads |

Submitted


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

3 días ago | 2 downloads |

Submitted


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.

3 días ago | 6 downloads |

Submitted


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

7 días ago | 12 downloads |

Submitted


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

9 días ago | 8 downloads |

Submitted


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

11 días ago | 17 downloads |

Submitted


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

11 días ago | 9 downloads |

Submitted


Predicting Closest Approach of Apophis
MATLAB script for predicting close approaches between the asteroid Apophis and Earth.

13 días ago | 3 downloads |

Submitted


Ballistic Interplanetary Trajectory Optimization - SNOPT
A MATLAB Script for Ballistic Interplanetary Trajectory Design and Optimization

15 días ago | 6 downloads |

Submitted


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

15 días ago | 12 downloads |

Submitted


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

21 días ago | 2 downloads |

Submitted


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

21 días ago | 7 downloads |

Submitted


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

27 días ago | 4 downloads |

Submitted


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

29 días ago | 8 downloads |

Submitted


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

alrededor de 1 mes ago | 18 downloads |

Submitted


Low-thrust Earth-to-Mars Trajectory Analysis - SNOPT
Determines optimal, two-dimensional low-thrust Earth-to-Mars interplanetary trajectories.

alrededor de 1 mes ago | 13 downloads |

Submitted


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

3 meses ago | 3 downloads |

Submitted


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

5 meses ago | 10 downloads |

Submitted


A MATLAB script for Earth-to-Mars Mission Design - SNOPT
Design and optimize end-to-end Earth-to-Mars ballistic trajectories from Earth park orbit to Mars B-plane encounter.

6 meses ago | 2 downloads |

Submitted


MATLAB script for Earth-to-Mars Mission Design - OTB
Optimization Toolbox version of the e2m_matlab script that performs Earth-to-Mars mission analysis and design.

6 meses ago | 3 downloads |

Submitted


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

6 meses ago | 3 downloads |

Submitted


Closest Approach Between the Earth and Heliocentric Objects
MATLAB script that predicts closest approach between the Earth and heliocentric objects.

6 meses ago | 3 downloads |

Submitted


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

6 meses ago | 1 download |

Submitted


A MATLAB Script for Trans-Earth TCM Trajectory Optimization
MATLAB script that can be used to optimize an impulsive trajectory correction maneuver (TCM) during the Trans-Earth phase of lun...

6 meses ago | 2 downloads |

Submitted


Parametric Analysis of TLI Delta-V Lunar Trajectories - OTB
Optimization Toolbox version of the tli_sweep MATLAB script that performs a parametric sweep of TLI requirements for Lunar traje...

6 meses ago | 5 downloads |

Submitted


Trans-Lunar Trajectory Optimization - OTB/MICE version
Optimization Toolbox version of the tlto_matlab script used to design preliminary lunar missions from Earth park orbit to B-plan...

7 meses ago | 4 downloads |

Submitted


Cowell's Method - MICE Version
PDF document and MATLAB script that demonstrates using Cowell’s method to predict orbital motion.

7 meses ago | 3 downloads |

Submitted


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

8 meses ago | 3 downloads |

Submitted


Optimal Finite-burn Interplanetary Injection from Earth Orbi
A MATLAB script for optimizing finite-burn interplanetary injection trajectories (SNOPT version).

9 meses ago | 5 downloads |

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