Satellite on-orbit xenon supplementing system, working method and space flight equipment

The invention provides a satellite on-orbit xenon supplementing system, a working method and space flight equipment. The satellite on-orbit xenon supplementing system comprises a service star xenon bottle, a pressure reducing valve, a compressor, a compressor electromagnetic valve, a straight-through path electromagnetic valve and a target star xenon bottle. The service star xenon cylinder is connected with the target star xenon cylinder through a straight-through branch and a compressor supplementing branch which are connected in parallel; the straight-through branch is provided with a straight-through path electromagnetic valve, the compressor supplementing branch is provided with a pressure reducing valve, a compressor and a compressor electromagnetic valve, the service star xenon cylinder is connected with the straight-through path electromagnetic valve and the compressor electromagnetic valve, and the compressor electromagnetic valve is connected with the pressure reducing valve and the compressor in seq