Four continuous relaxations turn non-differentiable coverage and revisit calculations into a fully differentiable pipeline that optimizes satellite orbits via gradients and outperforms metaheuristics.
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Large-scale empirical test on 24,641 Starlink TLE pairs shows SGP4 matches or beats high-fidelity propagation for position accuracy out to 7 days, with median errors reaching tens of kilometers.
Equinox uses a barrier-function-derived marginal cost to enable value-based adaptive scheduling and neighbor offloading in energy-constrained satellite constellations, yielding 20-31% throughput gains and higher battery reserves in simulation.
citing papers explorer
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Differentiable Satellite Constellation Configuration via Relaxed Coverage and Revisit Objectives
Four continuous relaxations turn non-differentiable coverage and revisit calculations into a fully differentiable pipeline that optimizes satellite orbits via gradients and outperforms metaheuristics.
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How long can you trust a Starlink TLE? An empirical comparison of SGP4 and high-fidelity propagation against operator-updated truth across a megaconstellation
Large-scale empirical test on 24,641 Starlink TLE pairs shows SGP4 matches or beats high-fidelity propagation for position accuracy out to 7 days, with median errors reaching tens of kilometers.
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Equinox: Decentralized Scheduling for Hardware-Aware Orbital Intelligence
Equinox uses a barrier-function-derived marginal cost to enable value-based adaptive scheduling and neighbor offloading in energy-constrained satellite constellations, yielding 20-31% throughput gains and higher battery reserves in simulation.
- Efficient Generation and Quality Screening of Visible Windows for Regional SAR Reconnaissance