David Eagle

Last seen: Today | Active since 2012

Followers: 15 Following: 0

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Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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84 of 20,461

REPUTATION
11,900

AVERAGE RATING
4.40

CONTRIBUTIONS
154 Files

DOWNLOADS
752

ALL TIME DOWNLOADS
109724

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Submitted

Modeling Low-thrust Interplanetary Trajectories
Demonstrates how to model a low-thrust interplanetary trajectory from Earth to Mars.

15 hours ago | 0 downloads |

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Submitted

Modeling Rocket Ascent from the Moon
Model the launch of a single-stage rocket-propelled vehicle from the surface of the Moon.

5 days ago | 5 downloads |

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Submitted

Trajectory Optimization from Earth to an Asteroid - SNOPT
MATLAB script for optimizing two-body, ballistic trajectories from Earth to the an asteroid using the SNOPT algorithm

15 days ago | 2 downloads |

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Submitted

Trajectory Modeling in the Flight Path System
Demonstrates how to model the trajectory of aerospace vehicles in the flight path coordinate system.

15 days ago | 13 downloads |

5.0 / 5

Submitted

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

16 days ago | 4 downloads |

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Submitted

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

17 days ago | 3 downloads |

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Submitted

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

19 days ago | 10 downloads |

5.0 / 5

Submitted

Evaluating a JPL Ephemeris with MICE
Demonstrates ephemeris calculations using the MATLAB version of the JPL Spice library (MICE).

20 days ago | 10 downloads |

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

25 days ago | 7 downloads |

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Submitted

Closest Approach Between a Ground Site and Earth Satellite
Determine the time and closest approach distance between a ground site or observer and an Earth satellite in a circular or ellip...

25 days ago | 9 downloads |

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

27 days ago | 13 downloads |

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Submitted

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

30 days ago | 2 downloads |

4.0 / 5

Submitted

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

30 days ago | 2 downloads |

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Submitted

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

1 month ago | 5 downloads |

5.0 / 5

Submitted

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

1 month ago | 5 downloads |

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Submitted

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

1 month ago | 5 downloads |

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Submitted

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

1 month ago | 7 downloads |

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

2 months ago | 5 downloads |

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Submitted

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

2 months ago | 3 downloads |

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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.

2 months ago | 6 downloads |

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Submitted

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

2 months ago | 3 downloads |

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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...

3 months ago | 4 downloads |

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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.

3 months ago | 2 downloads |

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Submitted

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

3 months ago | 4 downloads |

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Submitted

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

3 months ago | 3 downloads |

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Submitted

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

3 months ago | 2 downloads |

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Submitted

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

3 months ago | 14 downloads |

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

4 months ago | 3 downloads |

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Submitted

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

4 months ago | 2 downloads |

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Submitted

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

4 months ago | 4 downloads |

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