Learning to access the satellite data is important from different data providers is the initial step in our geospatial analysis. STAC, Spatio-Temporal Asset Catalog, is the way to organize the geospatial data in the cloud. This makes querying and accessing them easier. STAC: Spatio-Temporal Asset Catalog (STAC): common language, metadata for describing/organising geospatial data  common formats; uses JSON files; consistency and interpretation for data with spatial & temporal component flexible extensions, interoperability to search specific data types; accommodate provider needs / implementable standards.