AbstractSystem performance, which depends on the data transmission rates and propagation distances between two satellites in low Earth orbit (LEO) based on wavelength division multiplexing (WDM) techniques, is thoroughly studied. This study demonstrates the effect of WDM techniques on multi transceiver inter-satellite wireless optical communications. The system performance parameters with propagation distance at a multiple transceiver system are discussed using two previous models. The system performance parameters are investigated with 250 Gb/s transmission bit rates and 5000 km propagation distances for 16 transceiver systems. The maximum quality factor (Q factor), light peak signal per noise ratio, and signal peak per noise ratio are the primary important performance parameters in this study.