South Korea Moves First KPS Navigation Satellite Toward 2029 Launch

South Korea is moving its first homegrown navigation satellite toward production, with the Korea AeroSpace Administration preparing a final design review ahead of a planned September 2029 launch.

The agency said it will conduct a critical design review for the first Korean Positioning System satellite together with relevant ministries and research institutions. The review is intended to confirm that the spacecraft's design is mature enough for the program to proceed to construction of the flight model, the version that will ultimately be sent into orbit.

The milestone marks a concrete step in South Korea's effort to build an independent satellite-based positioning network. The Korean Positioning System, known as KPS, is designed to provide high-precision positioning, navigation and timing services across the Korean Peninsula and nearby areas. These functions underpin services that depend on accurate location and synchronized time, making navigation satellites an important layer of digital and space infrastructure.

The government plans to invest 3.72 trillion won, equivalent to about $2.73 billion, in the KPS program over a 14-year period that began in 2022. The scale and duration of the investment reflect the complexity of developing satellites, ground infrastructure and the supporting systems needed to operate a regional navigation service.

The first satellite is now scheduled for launch in September 2029. Although the program has experienced a delay, the space agency is keeping its broader deployment goal unchanged. It plans to place all eight KPS satellites into service by 2035.

That schedule gives the first spacecraft a central role in the wider constellation plan. Completing the design review will not itself put the satellite into orbit, but it is the final formal review before manufacturing of the flight model begins. The next phase will therefore test whether the program can translate its approved engineering design into launch-ready hardware on the revised timetable.

KPS is intended to cover South Korea and its surrounding region rather than replicate every aspect of a worldwide navigation constellation. Its planned capabilities would give the country a domestically developed platform for more precise regional positioning and timing services while expanding its expertise in satellite design and operations.

For South Korea's space program, the immediate focus is now on closing the design stage and beginning production without further slippage. Keeping the September 2029 launch date and the 2035 eight-satellite objective aligned will be the key measure of progress as the project enters its hardware phase.