NASA Delays SunRISE Mission to Mid-2027, Missing Solar Cycle Peak

NASA has pushed the launch of its SunRISE heliophysics mission to no earlier than mid-2027. The six flight-ready satellites have been in storage in Utah since 2023 and will miss the peak of Solar Cycle 25, the most active in two decades.

• SunRISE launch delayed to no earlier than mid-2027
• Six satellites have been stored in Utah since late 2023
• Solar Cycle 25 ran 40% above forecast and has already peaked
• Satellites fly 35,000 km up, up to 16 km apart