A-LiST - (Automated LiDAR Scanning Topography)

The Automated Lidar Scanning Topography (A-LiST) demonstration will validate this sensor’s performance and verify its simulation and modeling tools designed for lunar landings. Exploring ice-bearing regions on the Moon calls for landing payloads in challenging lighting conditions and in areas with steep topography. The A-LiST sensor is designed to reduce the size, mass, and cost of precision terrain mapping technology in an effort to enable hazard detection during terminal entry, descent, and landing on the Moon in the dark.

Problem Statement
To further explore dark and shadowed regions on the Moon, a solution is needed for landing payloads under these challenging lighting conditions and in areas with steep terrain. Smaller, lighter weight hazard detection systems will enable safe descents in lunar ice-bearing regions. The A-LiST sensor combines multiple commercially available light detection and ranging (lidar) sensor heads to collect point data across multiple perspectives simultaneously. Combined with a customizable mounting fixture, the A-LiST sensor is designed to achieve 10-centimeter point resolution across a 250-meter diameter target area from an altitude of at least 250 meters. A-LiST then synthesizes the point clouds, which represent shapes or objects in 3D, to create a single high-resolution topographical map for hazard detection, safe landing site selection, and terminal navigation.

Technology Maturation
Flights tests are expected to provide data for validating sensor performance and verifying simulation and modeling tools. These steps are critical to raise the technology readiness level of the sensor in preparation for safely launching it into space and landing on the Moon. The flight tests are expected to provide further evidence of the durability of the sensor and confirm applicability of the technology for use in other space exploration missions as well as in other industries.

To achieve further lunar exploration, a solution is needed for landing payloads in low-light conditions and steep terrains. The Automated Lidar Scanning Topography (A-LiST) sensor is designed to facilitate this capability. This has the potential to benefit NASA missions, the commercial space industry, other government agencies, and the nation.

Future Customers
• NASA or commercial space exploration missions
• Commercial lunar service providers

This is early/mid-stage (TRL 3) — the most realistic path in is NASA SBIR/STTR, which funds small businesses and research institutions to develop technology aligned with NASA's needs (equity-free, phased funding). Check whether a current SBIR/STTR solicitation topic overlaps with this project's technology area, or contact the project directly (above) to ask.

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