TSIS-2 Program

NASA’s Total and Spectral Solar Irradiance Sensor-2 mission will continue measurements of the Sun’s energy input to Earth from a free-flying spacecraft, extending a solar-brightness record begun in 1978 and supporting climate, atmospheric, and Sun–Earth interaction research.

Identity

Aliases: TSIS-2Total and Spectral Solar Irradiance Sensor-2Total and Spectral Solar Irradiance Sensor 2TSIS-2 Mission
Domains: spaceflight
Name: TSIS-2 Program
Status: planned
Types: scienceresearchdevelopment

Details

Description: NASA’s Total and Spectral Solar Irradiance Sensor-2 mission will continue measurements of the Sun’s energy input to Earth from a free-flying spacecraft, extending a solar-brightness record begun in 1978 and supporting climate, atmospheric, and Sun–Earth interaction research.
Leads
Participants: -
Start Date: 2027

Assets & Meta

Creation Time: August 13, 2026 at 19:31:16 UTC
Updated Time: August 13, 2026 at 19:31:16 UTC

Other

Official Urls: https://science.nasa.gov/mission/tsis-2/https://science.nasa.gov/earth-science/missions/earth-missions-future/https://science.nasa.gov/mission/tsis-2/stories/https://science.nasa.gov/blogs/punch/2025/03/11/first-stage-fueling-started/