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Sentinel-1 Precise Orbit Determination (POD) Products - Registry of Open Data on AWS
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Sentinel-1 Precise Orbit Determination (POD) Products

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Description

Sentinel-1 Precise Orbit Determination (POD) products contain auxiliary data on satellite position and velocity for the European Space Agency's (ESA) Sentinel-1 mission. Sentinel-1 is a C-band Synthetic Aperture Radar (SAR) satellite constellation first launched in 2014 as part of the European Union's Copernicus Earth Observation programme. POD products are a necessary auxiliary input for nearly all Sentinel-1 data processing workflows.

This dataset is a mirror of the Sentinel-1 Orbits dataset hosted in the Copernicus Data Space Ecosystem (CDSE). New files are added within 20 minutes of their publication to CDSE. This dataset includes two types of POD files: RESORB and POEORB.

  • RESORB POD files are restituted orbit files generated within 180 minutes from sensing time and published multiple times per day, with accuracy requirement of 10 cm in 2D RMS, but typically below 5 cm. RESORB products from the last 90 days are included in this dataset.

  • POEORB POD files are precise orbit files generated with a timeliness of 20 days from sensing time and published once per day, with accuracy requirement of 5 cm in 3D RMS, but typically below 1 cm. Once available, these files supersede the RESORB products, as they contain the same data with better accuracy. POEORB products are available from the entire length of the Sentinel-1 mission.
For more information on the orbit products, see the POD Sentinel-1 Products Specification.

Update Frequency

Updated as new data becomes available on the Copernicus Data Space Ecosystem. Typically AUX_POEORB files are published daily and AUX_RESORB files are published every other hour.

License

Access to Sentinel data is free, full and open for the broad Regional, National, European and International user community. View Terms and Conditions.

Documentation

https://s1-orbits.s3.us-west-2.amazonaws.com/README.html

Managed By

The Alaska Satellite Facility (ASF)

See all datasets managed by The Alaska Satellite Facility (ASF).

Contact

https://asf.alaska.edu/asf/contact-us/

How to Cite

Sentinel-1 Precise Orbit Determination (POD) Products was accessed on DATE from https://registry.opendata.aws/s1-orbits.

Usage Examples

Tools & Applications

Resources on AWS

  • Description
    Sentinel-1 Orbits bucket
    Resource type
    S3 Bucket
    Amazon Resource Name (ARN)
    arn:aws:s3:::s1-orbits
    AWS Region
    us-west-2
    AWS CLI Access (No AWS account required)
    aws s3 ls --no-sign-request s3://s1-orbits/
    Explore
    AWS S3 Explorer
  • Description
    Notifications for new data
    Resource type
    SNS Topic
    Amazon Resource Name (ARN)
    arn:aws:sns:us-west-2:211125554030:s1-orbits-object_created
    AWS Region
    us-west-2

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