Low Earth orbit
TSIS-2
NASA solar-irradiance mission designed to measure the Sun's energy input to Earth with twin irradiance instruments.
NASA lists TSIS-2 as a 2027 Sun- and Earth-science launch, and Rocket Lab is the selected launch provider.
View in 3D map ↗Official mission site ↗The mission
TSIS-2 (Total and Spectral Solar Irradiance Sensor-2) is a NASA satellite mission designed to measure the Sun's total and spectral energy input to Earth. The mission continues the TSIS-1 climate record with two complementary irradiance instruments in low Earth orbit.
The launch
- Launch
- 2027
- Launch location
- Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
- Launch vehicle
- Electron
- Orbit
- Sun-synchronous orbit
Mission timeline
Follow the mission through its available trajectory data in the full 3D solar-system map.
- Now
Launch service selected
2024 · Low Earth orbit
NASA selected Rocket Lab to launch TSIS-2 as part of its science launch procurement.
Open milestone source ↗Objectives
- 01
Measure the Sun's energy input to Earth.
- 02
Continue the solar-irradiance climate record after TSIS-1.
- 03
Track both total and spectral solar irradiance with complementary instruments.
Spacecraft
TSIS-2
A solar-irradiance satellite carrying the TIM and SIM instruments to measure the Sun's energy reaching Earth.
- Manufacturer
- NASA
- Total Irradiance Monitor
- Spectral Irradiance Monitor
Gallery
0 images from TSIS-2.
No mission imagery is available yet.
Community discussion
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