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CLASSIFIED

YAOGAN-17 01B

Chinese ELINT Naval Surveillance (JB-8 Triplet) · CASC / PLA

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Second satellite of the Yaogan-17 triplet, part of China's third-generation naval ocean surveillance formation. With three ELINT triplets operational by 2013, PLA naval intelligence could track naval emissions across the Pacific with meaningfully shorter gaps between successive satellite passes over any given patch of ocean.

Its orbit

Orbit
Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
Altitude
479–882 mi (770–1,420 km)
Inclination
63.4°
One orbit
107.0 minutes13.5 orbits a day
NORAD ID
39240
Int’l designator
2013-046B
Launched
2013

Orbital elements from CelesTrak, as of 22 Sep 2026.

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