NEO Surveyor: Balancing Desats and Solar Pressure with Gravity
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http://dataverse.jpl.nasa.gov/citation?persistentId=doi:10.48577/jpl.2LWJMG
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On its mission to track potentially-hazardous objects, NEO Surveyor will orbit the Sun-Earth L1 Lagrange point in a halo orbit while continuously surveying the sky. Daily momentum desaturation maneuvers (``desats'') and solar radiation pressure (SRP) forces perturb the spacecraft and require mitigation to avoid departure from the orbit. By incorporating time-varying averaged desat and SRP forces into the trajectory design as well as a dynamically-informed station-keeping strategy, the statistical maneuver cost and trajectory position errors are significantly reduced. These results validate the station-keeping strategy in a high-fidelity, ephemeris-based multi-body dynamics model with continuous ``low-thrust'' accelerations.
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Root
创建时间：
2025-01-26
