China's Shijian-31 Surveys Entire GEO Belt From Custom Orbit, Space Brief 23 Jul 2026
China's Shijian-31 satellite is utilizing a unique orbit to monitor the entire geostationary belt, signaling a shift in surveillance capabilities. Meanwhile, the US Space Force is increasing its launch cadence for national security payloads.
Why it matters
The development highlights the escalating space-based surveillance competition between global powers and the increasing militarization of the orbital environment.
Maurice Stellarski China's Shijian-31 Surveys Entire GEO Belt From Custom Orbit, Space Brief 23 Jul 2026 China's Shijian-31 satellite operates from unique non-standard orbit, sweeping entire geostationary belt rather than fixed position. Shifts surveillance calculus for monitoring US GEO assets.
Shijian-31, launched by China in June, is flying a non-standard orbit that gives it a sweeping vantage point across the geostationary belt rather than parking at a single longitude. Analysts tracking the satellite say the geometry lets it pass by multiple GEO slots over time instead of the fixed-position monitoring typical of most Chinese inspector satellites.
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