Posted on January 27, 2023 (Updated on July 10, 2025)

Sentinel 1 missing data

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Where can I find Sentinel-1 data?

Users may discover and access Sentinel-1 data held at ASF through the NASA Earthdata Search tool.

Is Sentinel-1 still active?

Sentinel-1C and 1D are in development with Sentinel-1C set for launch in April 2023.



Sentinel-1.

Operator European Space Agency
Applications Land and sea monitoring, natural disasters mapping, sea ice observations, ships detection
Specifications
Spacecraft type Satellite
Constellation Active: 1

What is Sentinel-1 data used for?

The Sentinel-1 is equipped with twin polar orbiting satellites designed to provide a spatial data for environment and security warranting, global economic and business growth. The satellites are to operate day-and-night and perform a synthetic aperture with radar imaging.

What is SLC in Sentinel?

Sentinel-1 SAR Technical Guide – Single Look Complex. Level-1 Single Look Complex (SLC) products are images in the slant range by azimuth imaging plane, in the image plane of satellite data acquisition.

How do I view Copernicus data?

The data delivered by the Sentinel satellites can be downloaded either from the ESA Copernicus Open Access Hub or from the EUMETSAT Copernicus Online Data Access point depending on the type of data.

How do I download Sentinel-1 orbit files?

Sentinel-1 orbit auxiliary files are available on https://aux.sentinel1.eo.esa.int/ until . The reference for accessing the Sentinel-1 orbit files is on the Copernicus Sentinels POD Data Hub.
 

How many Sentinel-1 satellites are there?

two

The Sentinel-1 mission comprises a constellation of two polar-orbiting satellites, operating day and night performing C-band synthetic aperture radar imaging, enabling them to acquire imagery regardless of the weather.

Is Sentinel-1 operational?

The satellite has an operational lifespan of seven years with consumables for 12 years. Sentinel-1A was launched on . Sentinel-1B was launched on . Two other spacecraft (Sentinel-1C and Sentinel-1D) are planned to replace the first two satellites at the end of their operational lifespan.

What happened to Sentinel-1B?

On , Copernicus Sentinel-1B experienced an anomaly related to the instrument electronics power supply provided by the satellite platform, leaving it unable to deliver radar data. Since then spacecraft operators and engineers have been working tirelessly to rectify the issue.
 

How do I check my SENTINEL data ingestion?

Use the health monitoring workbook

  1. From the Microsoft Sentinel portal, select Workbooks from the Threat management menu.
  2. In the Workbooks gallery, enter health in the search bar, and select Data collection health monitoring from among the results.

How do I download SENTINEL data offline?

Products Download and Quota



Sentinel products are provided for download via HTTP in the . ZIP archive file format. Click and download, shopping cart, batch download. A maximum of 2 concurrent downloads per user is allowed in order to ensure a download capacity for all users.

How to process Sentinel-1 data?

Sentinel-1 Preprocessing

  1. Apply orbit file. Updates orbit metadata with a restituted orbit file (or a precise orbit file if the restituted one is not available).
  2. GRD border noise removal.
  3. Thermal noise removal.
  4. Application of radiometric calibration values.
  5. Terrain correction (orthorectification)