BK
Bart Kieboom
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Strategic Space Monitoring
Surveillance Strategies for LEO Catalogue Generation using Ground-based Optical Sensors
The growing population of objects in Low Earth Orbit (LEO) presents challenges for space situational awareness and catalogue maintenance. Ground-based optical surveillance strategies for LEO catalogue generation were evaluated, comparing fixed-pattern scanning methods against a two-phase Probabilistic Admissible Region (PAR) approach using SPOOK simulations and Airbus Robotic Telescope validation.
For LEO targets, baseline scanning achieved 0.0116% detection rates and zero redetections, while PAR achieved 23.71% redetection rates across 194 attempts, enabling initial orbit determination. Medium Earth Orbit (MEO) validation revealed regime-dependence. Baseline methods achieved 49-62% MEO redetection versus 0% LEO, while PAR achieved 91.94% MEO versus 23.71% LEO.
Results establish that redetection effectiveness depends on orbital regime. For LEO, where rapid motion prevents fixed-pattern redetections, PAR-based approaches provide redetections for catalogue generation. For MEO, both strategies succeed though PAR maintains superior performance. ...
For LEO targets, baseline scanning achieved 0.0116% detection rates and zero redetections, while PAR achieved 23.71% redetection rates across 194 attempts, enabling initial orbit determination. Medium Earth Orbit (MEO) validation revealed regime-dependence. Baseline methods achieved 49-62% MEO redetection versus 0% LEO, while PAR achieved 91.94% MEO versus 23.71% LEO.
Results establish that redetection effectiveness depends on orbital regime. For LEO, where rapid motion prevents fixed-pattern redetections, PAR-based approaches provide redetections for catalogue generation. For MEO, both strategies succeed though PAR maintains superior performance. ...
The growing population of objects in Low Earth Orbit (LEO) presents challenges for space situational awareness and catalogue maintenance. Ground-based optical surveillance strategies for LEO catalogue generation were evaluated, comparing fixed-pattern scanning methods against a two-phase Probabilistic Admissible Region (PAR) approach using SPOOK simulations and Airbus Robotic Telescope validation.
For LEO targets, baseline scanning achieved 0.0116% detection rates and zero redetections, while PAR achieved 23.71% redetection rates across 194 attempts, enabling initial orbit determination. Medium Earth Orbit (MEO) validation revealed regime-dependence. Baseline methods achieved 49-62% MEO redetection versus 0% LEO, while PAR achieved 91.94% MEO versus 23.71% LEO.
Results establish that redetection effectiveness depends on orbital regime. For LEO, where rapid motion prevents fixed-pattern redetections, PAR-based approaches provide redetections for catalogue generation. For MEO, both strategies succeed though PAR maintains superior performance.
For LEO targets, baseline scanning achieved 0.0116% detection rates and zero redetections, while PAR achieved 23.71% redetection rates across 194 attempts, enabling initial orbit determination. Medium Earth Orbit (MEO) validation revealed regime-dependence. Baseline methods achieved 49-62% MEO redetection versus 0% LEO, while PAR achieved 91.94% MEO versus 23.71% LEO.
Results establish that redetection effectiveness depends on orbital regime. For LEO, where rapid motion prevents fixed-pattern redetections, PAR-based approaches provide redetections for catalogue generation. For MEO, both strategies succeed though PAR maintains superior performance.