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xpropagation / xpropagator

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Satellite TLE Orbit Propagation as a Service. gRPC API for USSF SGP4 / SGP4‑XP (Extended Perturbations) propagator. Catalog‑scale satellite processing, ephemeris generation, and built‑in mem. management. Written in Go

go api protobuf service space satellite orbit grpc ssa tle sgp4 satellite-prediction propagation space-situational-awareness spacetrack orbit-propagation ussf sgp4-xp simplified-general-perturbations
  • Updated Jan 16, 2026
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