{
  "id": "aster-l1t",
  "type": "Collection",
  "links": [
    {
      "rel": "items",
      "type": "application/geo+json",
      "href": "https://planetarycomputer.microsoft.com/api/stac/v1/collections/aster-l1t/items"
    },
    {
      "rel": "parent",
      "type": "application/json",
      "href": "https://planetarycomputer.microsoft.com/api/stac/v1/"
    },
    {
      "rel": "root",
      "type": "application/json",
      "href": "https://planetarycomputer.microsoft.com/api/stac/v1/"
    },
    {
      "rel": "self",
      "type": "application/json",
      "href": "https://planetarycomputer.microsoft.com/api/stac/v1/collections/aster-l1t"
    },
    {
      "rel": "license",
      "href": "https://www.usgs.gov/core-science-systems/hdds/data-policy",
      "title": "Public Domain"
    },
    {
      "rel": "describedby",
      "href": "https://planetarycomputer.microsoft.com/dataset/aster-l1t",
      "title": "Human readable dataset overview and reference",
      "type": "text/html"
    }
  ],
  "title": "ASTER L1T",
  "assets": {
    "thumbnail": {
      "href": "https://ai4edatasetspublicassets.blob.core.windows.net/assets/pc_thumbnails/aster.png",
      "type": "image/png",
      "roles": [
        "thumbnail"
      ],
      "title": "ASTER L1T"
    }
  },
  "extent": {
    "spatial": {
      "bbox": [
        [
          -180,
          -90,
          180,
          90
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2000-03-04T12:00:00.000000Z",
          "2006-12-31T12:00:00.000000Z"
        ]
      ]
    }
  },
  "license": "proprietary",
  "keywords": [
    "ASTER",
    "USGS",
    "NASA",
    "Satellite",
    "Global"
  ],
  "providers": [
    {
      "url": "https://terra.nasa.gov/about/terra-instruments/aster",
      "name": "NASA",
      "roles": [
        "producer",
        "licensor"
      ]
    },
    {
      "url": "https://lpdaac.usgs.gov/data/get-started-data/collection-overview/missions/aster-overview/",
      "name": "USGS",
      "roles": [
        "processor",
        "producer",
        "licensor"
      ]
    },
    {
      "url": "https://planetarycomputer.microsoft.com",
      "name": "Microsoft",
      "roles": [
        "host",
        "processor"
      ]
    }
  ],
  "summaries": {
    "gsd": [
      15,
      30,
      90
    ],
    "eo:bands": [
      {
        "gsd": 15,
        "name": "VNIR_Band1",
        "common_name": "green",
        "description": "visible yellow/green",
        "center_wavelength": 0.56,
        "full_width_half_max": 0.08
      },
      {
        "gsd": 15,
        "name": "VNIR_Band2",
        "common_name": "red",
        "description": "visible red",
        "center_wavelength": 0.66,
        "full_width_half_max": 0.06
      },
      {
        "gsd": 15,
        "name": "VNIR_Band3N",
        "common_name": "nir08",
        "description": "near infrared",
        "center_wavelength": 0.82,
        "full_width_half_max": 0.08
      },
      {
        "gsd": 30,
        "name": "SWIR_Band4",
        "common_name": "swir16",
        "description": "short-wave infrared",
        "center_wavelength": 1.65,
        "full_width_half_max": 0.1
      },
      {
        "gsd": 30,
        "name": "SWIR_Band5",
        "common_name": "swir22",
        "description": "short-wave infrared",
        "center_wavelength": 2.165,
        "full_width_half_max": 0.04
      },
      {
        "gsd": 30,
        "name": "SWIR_Band6",
        "common_name": "swir22",
        "description": "short-wave infrared",
        "center_wavelength": 2.205,
        "full_width_half_max": 0.04
      },
      {
        "gsd": 30,
        "name": "SWIR_Band7",
        "common_name": "swir22",
        "description": "short-wave infrared",
        "center_wavelength": 2.26,
        "full_width_half_max": 0.05
      },
      {
        "gsd": 30,
        "name": "SWIR_Band8",
        "description": "short-wave infrared",
        "center_wavelength": 2.339,
        "full_width_half_max": 0.07
      },
      {
        "gsd": 30,
        "name": "SWIR_Band9",
        "description": "short-wave infrared",
        "center_wavelength": 2.395,
        "full_width_half_max": 0.07
      },
      {
        "gsd": 90,
        "name": "TIR_Band10",
        "common_name": "lwir",
        "description": "thermal infrared",
        "center_wavelength": 8.3,
        "full_width_half_max": 0.35
      },
      {
        "gsd": 90,
        "name": "TIR_Band11",
        "common_name": "lwir",
        "description": "thermal infrared",
        "center_wavelength": 8.65,
        "full_width_half_max": 0.35
      },
      {
        "gsd": 90,
        "name": "TIR_Band12",
        "common_name": "lwir",
        "description": "thermal infrared",
        "center_wavelength": 9.11,
        "full_width_half_max": 0.35
      },
      {
        "gsd": 90,
        "name": "TIR_Band13",
        "common_name": "lwir",
        "description": "thermal infrared",
        "center_wavelength": 10.6,
        "full_width_half_max": 0.7
      },
      {
        "gsd": 90,
        "name": "TIR_Band14",
        "common_name": "lwir",
        "description": "thermal infrared",
        "center_wavelength": 11.3,
        "full_width_half_max": 0.7
      }
    ],
    "platform": [
      "terra"
    ],
    "instruments": [
      "aster"
    ]
  },
  "description": "The [ASTER](https://terra.nasa.gov/about/terra-instruments/aster) instrument, launched on-board NASA's [Terra](https://terra.nasa.gov/) satellite in 1999, provides multispectral images of the Earth at 15m-90m resolution.  ASTER images provide information about land surface temperature, color, elevation, and mineral composition.\\n\\nThis dataset represents ASTER [L1T](https://lpdaac.usgs.gov/products/ast_l1tv003/) data from 2000-2006.  L1T images have been terrain-corrected and rotated to a north-up UTM projection.  Images are in [cloud-optimized GeoTIFF](https://www.cogeo.org/) format.\\n",
  "item_assets": {
    "TIR": {
      "roles": [
        "data"
      ],
      "title": "TIR Swath data",
      "eo:bands": [
        {
          "gsd": 90,
          "name": "TIR_Band10",
          "common_name": "lwir",
          "description": "thermal infrared",
          "center_wavelength": 8.3,
          "full_width_half_max": 0.35
        },
        {
          "gsd": 90,
          "name": "TIR_Band11",
          "common_name": "lwir",
          "description": "thermal infrared",
          "center_wavelength": 8.65,
          "full_width_half_max": 0.35
        },
        {
          "gsd": 90,
          "name": "TIR_Band12",
          "common_name": "lwir",
          "description": "thermal infrared",
          "center_wavelength": 9.11,
          "full_width_half_max": 0.35
        },
        {
          "gsd": 90,
          "name": "TIR_Band13",
          "common_name": "lwir",
          "description": "thermal infrared",
          "center_wavelength": 10.6,
          "full_width_half_max": 0.7
        },
        {
          "gsd": 90,
          "name": "TIR_Band14",
          "common_name": "lwir",
          "description": "thermal infrared",
          "center_wavelength": 11.3,
          "full_width_half_max": 0.7
        }
      ]
    },
    "xml": {
      "type": "application/xml",
      "roles": [
        "metadata"
      ],
      "title": "XML metadata"
    },
    "SWIR": {
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "roles": [
        "data"
      ],
      "title": "SWIR Swath data",
      "eo:bands": [
        {
          "gsd": 30,
          "name": "SWIR_Band4",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 1.65,
          "full_width_half_max": 0.1
        },
        {
          "gsd": 30,
          "name": "SWIR_Band5",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 2.165,
          "full_width_half_max": 0.04
        },
        {
          "gsd": 30,
          "name": "SWIR_Band6",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 2.205,
          "full_width_half_max": 0.04
        },
        {
          "gsd": 30,
          "name": "SWIR_Band7",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 2.26,
          "full_width_half_max": 0.05
        },
        {
          "gsd": 30,
          "name": "SWIR_Band8",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 2.339,
          "full_width_half_max": 0.07
        },
        {
          "gsd": 30,
          "name": "SWIR_Band9",
          "common_name": "swir",
          "description": "short-wave infrared",
          "center_wavelength": 2.395,
          "full_width_half_max": 0.07
        }
      ]
    },
    "VNIR": {
      "type": "image/tiff; application=geotiff; profile=cloud-optimized",
      "roles": [
        "data"
      ],
      "title": "VNIR Swath data",
      "eo:bands": [
        {
          "gsd": 15,
          "name": "VNIR_Band1",
          "common_name": "yellow/green",
          "description": "visible yellow/green",
          "center_wavelength": 0.56,
          "full_width_half_max": 0.08
        },
        {
          "gsd": 15,
          "name": "VNIR_Band2",
          "common_name": "red",
          "description": "visible red",
          "center_wavelength": 0.66,
          "full_width_half_max": 0.06
        },
        {
          "gsd": 15,
          "name": "VNIR_Band3N",
          "common_name": "near infrared",
          "description": "near infrared",
          "center_wavelength": 0.82,
          "full_width_half_max": 0.08
        }
      ]
    },
    "qa-txt": {
      "type": "text/plain",
      "roles": [
        "metadata"
      ],
      "title": "QA browse file",
      "description": "Geometric quality assessment report."
    },
    "qa-browse": {
      "type": "image/jpeg",
      "roles": [
        "thumbnail"
      ],
      "title": "QA browse file",
      "description": "Single-band black and white reduced resolution browse overlaid with red, green, and blue (RGB) markers for GCPs used during the geometric verification quality check."
    },
    "tir-browse": {
      "type": "image/jpeg",
      "roles": [
        "thumbnail"
      ],
      "title": "Standalone reduced resolution TIR"
    },
    "vnir-browse": {
      "type": "image/jpeg",
      "roles": [
        "thumbnail"
      ],
      "title": "VNIR browse file",
      "description": "Standalone reduced resolution VNIR"
    }
  },
  "stac_version": "1.0.0",
  "msft:container": "aster",
  "stac_extensions": [
    "https://stac-extensions.github.io/item-assets/v1.0.0/schema.json"
  ],
  "msft:storage_account": "astersa",
  "msft:short_description": "The ASTER instrument, launched on-board NASA's Terra satellite in 1999, provides multispectral images of the Earth at 15m-90m resolution.  This dataset contains ASTER data from 2000-2006."
}
