Universe  ID: 5010

Bennu TAG Surface Change

The Origins Spectral Interpretation Resource Identification Security-Regolith Explorer (OSIRIS-REx) spacecraft arrived at near-Earth asteroid Bennu in December 2018. After studying the asteroid for nearly two years, the spacecraft successfully performed a Touch-And-Go (TAG) sample collection maneuver on October 20, 2020. The change in surface topography as a result of the sample collection maneuver is observed by comparing pre-TAG and post-TAG digital terrain models (DTM), revealing the newly-formed TAG crater.

OSIRIS-REx will return its sample of Bennu to Earth in September 2023.

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Visualization Credits

Kel Elkins (USRA): Lead Visualizer
Dan Gallagher (KBRwyle): Lead Producer
Dante Lauretta (The University of Arizona): Principal Investigator
Olivier Barnouin (JHUAPL): Scientist
Please give credit for this item to:
NASA's Scientific Visualization Studio

Data provided by NASA/University of Arizona/CSA/York University/Open University/MDA.

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Data Used:
Observed Data
The OSIRIS-REx Camera Suite (OCAMS) consists of three cameras: PolyCam, MapCam, and SamCam. These cameras will “see” asteroid Bennu as the spacecraft first approaches it. OCAMS will then provide global image mapping of Bennu’s surface and more detailed images of potential sample sites. Finally, OCAMS will record the entire sampling event during the touch-and-go (TAG) maneuver.
NASA/University of Arizona/CSA/York University/MDA
The OSIRIS-REx Laser Altimeter (OLA) is a scanning LIDAR (Light Detection and Ranging). LIDAR is similar to RADAR, but it uses light instead of radio waves to measure distance. OLA will emit laser pulses at the surface of Bennu, which will reflect back from the surface and return a portion of the laser pulse to the LIDAR detector. By carefully measuring the time difference between the outgoing pulse and the incoming pulse, the distance the spacecraft and the surface of Bennu can be computed using the speed of light. This allows OLA to provide high-resolution topographical information about Bennu during the mission. OLA ranging measurements will also support other instruments and navigation and gravity analyses.
Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

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