NOAA’s operational SOLAR-1 space-weather observatory, formerly SWFO-L1, monitors the solar wind and corona continuously from the Sun–Earth L1 point to provide real-time data and advance warnings for protecting critical infrastructure, spacecraft, communications, and national security. It launched on 24 September 2025 and reached its final L1 orbit on 23 January 2026.
NOAA’s operational SOLAR-1 space-weather observatory, formerly SWFO-L1, monitors the solar wind and corona continuously from the Sun–Earth L1 point to provide real-time data and advance warnings for protecting critical infrastructure, spacecraft, communications, and national security. It launched on 24 September 2025 and reached its final L1 orbit on 23 January 2026.