Sorry, you need to enable JavaScript to visit this website.

Atmosphere Human Dimensions Agriculture Solid earth

Recent Imagery

You will be directed to the NASA Visible Earth webpage when you select Images by Mission below, or click on the images at right that are randomly generated to represent four out of all possible topics.

You are here

Total Solar Irradiance Spectral Solar Irradiance 2 (TSIS-2)

Click image for alternate view

Status: Future, Pre-Formulation
Mission Category: Earth Systematic Missions
Launch Date: 2020

The TSIS-2 mission will provide absolute measurements of the total solar irradiance (TSI) and spectral solar irradiance (SSI), important for accurate scientific models of climate change and solar variability. NASA intends to fly TSIS-2 on the International Space Station by 2020.

Key Total Solar Irradiance Spectral Solar Irradiance 2 Facts

Altitude:Distance from sea level. 415km
Inclination: 51.6°