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LEAP - Legged Exploration Across the Plume

Completed

Description

We propose Legged Exploration Across the Plume (LEAP), based on the Salto jumping robot as a novel multi-jet robotic sampling concept for Enceladus to be deployed from Enceladus Orbilander. LEAP self-deploys from the Enceladus Orbilander as a low-mass leaping “rover” to directly measure plume gas pressure or potentially particle flux or size distribution by repeatedly leaping through jets. This enables direct measurement of plume parameters and potentially collection and return to Orbilander pristine material prior to UV exposure or other processing.

Benefits

If successful, LEAP will enable collection of pristine, ocean-derived material directly from Enceladus's jets and measurement of particle properties across multiple jets by traveling from one to another. In low gravity, existing jump performance would be sufficient to leap 90 m vertically or 170 m horizontally in Enceladus's gravity allowing traversal of jets and collection of direct measurements otherwise not accessible to Orbilander. These measurements could be crucial for investigating the physics of how the plume is connected to the ocean.

Details

Technology areaRobotic Systems
ProgramNASA Innovative Advanced Concepts (NIAC)
Lead organizationUniversity of Illinois at Urbana-Champaign, Urbana, IL
Start date2025-04-01
End date2026-01-31

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