Blue Origin's failed NS-23 mission enabled cutting-edge science that could lead to a new lunar navigation system.
One of its latest gadgets, the Draper Multi-Environment Navigator system, uses vision-based terrain relative navigation technology. This allows it to pinpoint a spacecraft's exact location based on known features of the lunar surface.The system will help to position a spacecraft as it approaches the lunar surface, and it could form an important part of NASA's plans to establish a permanent presence on the Moon with its upcoming Artemis missions.
However, the company's capsule escape system worked as intended and Draper was able to recover its payload. The company has since released a paper on the high-altitude test of DMEN.at altitudes ranging from 4.5-33 kilometers and at speeds of up to 880 km per hour . We spoke with Dominic Maggio, the lead author of the DMEN study, who is also a Draper scholar and a master’s of science degree candidate at MIT, to get some insight into the novel navigation system.
"We received our payload after the flight and then extracted data from the DMEN computer when it arrived back in Cambridge. There was no damage to the Draper payload and all our hardware functioned as it should have, despite the abort.""On New Shepard, we recorded data at an altitude up to about 8km and at speeds up to about 880 km/h . The flight test showed that our vision navigation solution could track the trajectory of the rocket with errors of less than 55 meters.
"Weighing just 3 kg , DMEN consists of a suite of sensors , along with sensor circuitry, a computer, and a powerful set of algorithms to process the sensor data for navigation. The algorithms include tightly coupled visual-inertial odometry and visual terrain-based absolute positioning.
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