David Eagle
Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization
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Content Feed
Submitted
Parametric Analysis of TLI Delta-V Lunar Transfer
Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories
5 days ago | 3 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...
5 days ago | 2 downloads |
Submitted
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
6 months ago | 3 downloads |
Submitted
Ballistic Interplanetary Trajectory Optimization - OTB
Optimization Toolbox version of the MATLAB script which solves the two impulse, patched-conic interplanetary trajectory problem....
7 months ago | 9 downloads |
Submitted
Numerical Prediction of Orbital Events
MATLAB script and user's manual for predicting important root-finding and extrema orbital events
8 months ago | 4 downloads |
Submitted
A MATLAB Script for Predicting Solar Eclipses
Predict local circumstances of solar eclipses.
9 months 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.
9 months ago | 8 downloads |
Submitted
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...
10 months ago | 1 download |
Submitted
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...
11 months ago | 21 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
1 year ago | 1 download |
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
1 year ago | 3 downloads |
Submitted
Geodetic and Geocentric Coordinates
A suite of MATLAB functions for converting between geodetic and geocentric coordinates.
2 years ago | 2 downloads |
Submitted
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.
2 years ago | 11 downloads |
Submitted
Halo Orbit Design using Richardson's Algorithm
MATLAB script for creating graphic displays of Halo orbits in the circular-restricted, three-body problem.
2 years ago | 7 downloads |
Submitted
Ballistic Trajectory Optimization from Earth to an Asteroid
MATLAB script for optimizing two-body, ballistic trajectories from Earth to the an asteroid.
2 years ago | 2 downloads |
Submitted
The Circular-Restricted Three-Body Problem
Compute and plot characteristics of the circular-restricted three-body problem.
2 years ago | 20 downloads |
Submitted
The Long-term Evolution of Geosynchronous Transfer Orbits
Interactive MATLAB script that predicts the long-term evolution of geosynchronous transfer orbits.
2 years ago | 1 download |
Submitted
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.
2 years ago | 3 downloads |
Submitted
A MATLAB Script for Predicting Lunar Occultations
Predict the local circumstances of lunar occultations of a planet or star.
2 years ago | 1 download |
Submitted
A MATLAB Script for Predicting Transits of Mercury and Venus
Local circumstances of solar transits of the planets Mercury and Venus.
2 years ago | 1 download |
Submitted
A MATLAB Script for Predicting Lunar Eclipses
Predicting the local circumstances of lunar eclipses.
2 years ago | 1 download |
Submitted
Graphics Display of Orbital Characteristics of the Planets
Graphics display of the heliocentric, ecliptic orbital characteristics of the solar system planets.
2 years ago | 1 download |
Submitted
Earth-to-Mars Interplanetary TCM Optimization - SNOPT
Optimization of interplanetary trajectory correction maneuvers (TCM) during Earth-to-Mars spaceflight.
2 years ago | 1 download |
Submitted
Earth-to-Mars Interplanetary TCM Optimization - OTB
Optimization Toolbox version of the MATLAB script that determines optimal Earth-to-Mars TCM maneuvers.
2 years ago | 5 downloads |
Submitted
Apparent Position of a Star
PDF document and MATLAB script that computes the geocentric and topocentric apparent position of a star.
2 years ago | 2 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.
2 years 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.
2 years ago | 1 download |
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.
2 years ago | 3 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.
2 years ago | 7 downloads |
Submitted
Interplanetary, patched-conic gravity assist - OTB version
A MATLAB Script for Interplanetary Patched-Conic, Single Gravity-Assist Trajectory Design, Analysis and Optimization
2 years ago | 4 downloads |
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