A quantum leap in how we watch our changing planet
In short: For over 40 years, the Landsat program has been our primary lens for monitoring Earth's landscapes. Now, a new generation of satellites is set to fundamentally re-conceive this mission, moving from single spacecraft to a sophisticated constellation capable of seeing more colors and capturing details with unprecedented frequency.
The evolution of the Landsat program represents a shift from steady observation to high-velocity data acquisition. While the upcoming Landsat Data Continuity Mission (LDCM) is designed to maintain the existing 40-year record, the 'Landsat Next' initiative—planned for late-2030—marks the first time the mission will be completely re-conceived. This transition moves away from the single-spacecraft model of Landsat 8 and 9 toward a constellation of three smaller satellites.
The technical leap is significant: each new satellite in the trio will detect 26 wavelengths of light and thermal energy, which is 15 more bands than the current operational models. This expanded spectral imaging allows for 'superspectral' observations, including five new bands designed to synergize with the European Space Agency’s Copernicus Sentinel-2 mission. Additionally, a dedicated water vapor band will allow for atmospheric correction without needing external data from other satellites.
The primary goal of this architecture is temporal frequency and spatial resolution. By orbiting in a specific configuration, the three spacecraft aim to provide observations every six days at the equator. When paired with Landsat 9, this creates a high-frequency stream essential for tracking rapid environmental changes like crop health, water quality, and natural hazards. These advancements are intended to support everything from large-scale forest management to emerging scientific applications that require near-simultaneous data acquisition across all bands.
Looking further ahead, Landsat 10 is expected to launch in 2031. It will feature a mission design life of five years and provide ground sample distances as fine as 10 to 20 meters for visible and shortwave-infrared bands. This progression ensures that the data continuity started in 1972 remains compatible with modern needs while providing a 'quantum leap' in measurement capabilities.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: New Satellite to Maintain Landsat Capabilities
- Also: Next up to Continue NASA/USGS’s Landsat Legacy - NASA
- Also: Landsat 10 - NASA Science
To cite this card, link to https://intellectplus.co.uk/app/space-new-satellite-to-maintain-landsat-capabilities.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
Related
More in Space · Latest · A–Z · All topics
