FreeFlyer Videos
Below are Videos that demonstrate FreeFlyers capabilities. You can view a video in your browser by clicking the 'Watch Video' link, and can download the video to your computer using the 'Download Video' link.
Iridium/Cosmos Debris Environment
This visualization shows the secular variations of the local debris environment at a mean equatorial altitude of 850 kilometers over a period of 90 minutes, due to the Iridium-33 and Cosmos-2251 debris clouds. The video also demonstrates the enhanced visualization capabilities of FreeFlyer 6.6, using the graphics overlay feature.
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Cosmos/Iridium Collision
Demonstrates the use of FreeFlyer to model an orbital debris field caused by the collision between the Cosmos 2251 and Iridium 33 satellites on 10 Feb 2009. The debris field is generated by applying a Gaussian distribution of delta-V to the velocity components of each debris object. The field is propagated for a few orbits to show dispersion. The ISS orbit is shown for reference, as are the remnants of the debris generated by the destruction of Fengyun 1C in 2007. Fengyun debris, Cosmos, Iridium and the ISS are initialized using TLEs.
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TLE Catalog
More than 13,000 objects are tracked in the US Strategic Command’s (USSTRATCOM) Space Object Catalogue, with the number of objects increasing by the hundreds each year. In this simulation, the objects in white represent operational spacecraft, while the objects in red represent orbital space debris.
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ASAT Debris Closeup View
Demonstrates the use of FreeFlyer to examine the distribution of a debris field following a destructive satellite breakup while on orbit. The debris field is generated by applying randomly calculated delta-V’s to the initial seed state. The debris field is then propagated for a few orbits to visualize the dispersion of the resulting debris over the plane of the orbit. 4000 particles are used for this analysis. Higher energy particles are colored in red and lower energy particles are colored in blue. The perspective in this visualization shows a close-up 3D view of the debris.
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ASAT Debris Orbit View Video
Demonstrates the use of FreeFlyer to examine the distribution of a debris field following a destructive satellite breakup while on orbit. The debris field is generated by applying randomly calculated delta-V’s to the initial seed state. The debris field is then propagated for a few orbits to visualize the dispersion of the resulting debris over the plane of the orbit. 4000 particles are used for this analysis. Higher energy particles are colored in red and lower energy particles are colored in blue. The perspective in this visualization shows a 3D view of the orbital plane of the debris field.
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Earth to Moon
In this video, FreeFlyer calculates the delta-V cost of transferring a Spacecraft from low-Earth orbit to a lunar mapping orbit. Three possible launch times are considered, shown in Blue, Red, and Green. For each of these launch times, FreeFlyer is executing a series of Target loops to optimize the delta-V at each stage of the mission.
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GPS Orbit
Demonstrates the use of FreeFlyer for visualizing the launch and orbit insertion of a GPS satellite. The perspective in this visualization shows a 3D view from above the orbital plane.
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GPS Spin
Demonstrates the use of FreeFlyer for visualizing the launch and orbit insertion of a GPS satellite. The perspective in this visualization shows a 3D view of the GPS spacecraft’s attitude.
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ISS
The International Space Station (ISS) Demonstration displays a 3D visual of the ISS as it orbits the Earth. As a part of this visualization the solar arrays are shown tracking the Sun, and arrows representing the ISS velocity vector and sun vector are drawn.
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MMS
The Magnetospheric Multiscale (MMS) mission is a formation of four spacecraft in highly elliptical orbits designed to study the interactions of charged solar particles with the Earth’s magnetosphere.
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