Officially described as "Satellite-Internet Technology Demonstration Satellite(s)".
Probably 4 test satellites for the Chinese state-owned LEO communication satellite constellation SatNet.
Overview
Date / time
August 15, 2025 at 01:17 AM UTC
Outcome
failure
Mission
4 x SatNet test satellites
Mission type
Communications
Orbit achieved
Low Earth Orbit
Failure2nd stage attitude control failed at T+258 seconds due to TVC system short circuit, caused by electric arcing on the control system's 450V main bus.