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Sentinel-1 new auxiliary files availability

09 May 2018

The Sentinel-1 auxiliary files are now available to users on aux.sentinel1.eo.esa.int. The access is open to all users available both via FTP and HTTP (use of FTP is recommended).

This access point contains the following information:

Orbit ephemerides

  • S1 orbit ephemerides in the form of Precise Orbit Auxiliary Files:

    S1A_OPER_AUX_POEORB, S1B_OPER_AUX_POEORB

    These files are available 20 days after the data acquisition. The access point contains the complete history of the Precise Orbit Auxiliary Files.
     
  • S1 orbit ephemerides in the form of Restituted Orbit Auxiliary Files:

    S1A_OPER_AUX_RESORB, S1B_OPER_AUX_RESORB

    These files are available few hours after the data acquisition. The access point contains the complete history of the Restitutes Orbit Auxiliary Files.
     
  • S1 orbit ephemerides in the form of Predicted Orbit Auxiliary Files:

    S1A_OPER_MPL_ORBPRE, S1B_OPER_MPL_ORBPRE

    These files are available seven days before the data acquisition. The access point contains the complete history of the Predicted Orbit Auxiliary Files.

Processing auxiliary files

  • Processing auxiliary files in the form of:

    AUX_CAL, AUX_PP1, AUX_PP2, AUX_INS, AUX_SCS

    A new version of these files is available whenever it is deeded necessary for ensuring the product quality and calibration accuracy. The access point contains the complete history of these files. The set of files applicable to the data currently acquired is available under the "/Latest " directory.