Forthcoming availability of new Copernicus Sentinel-3 and -6 orbital products

20 December 2022

The Copernicus POD Service (CPOD Service), in charge of computing precise orbits for the Copernicus Sentinel-1, -2, -3 and -6 missions, is routinely publishing GNSS and quaternions data and precise orbital products of these missions on the POD Data Hub of the ESA Copernicus Open Access Hub. Currently, the following products are published:

  1. Sentinel-1, 2, 3 A&B GNSS RINEX observation files (AUX_GNSSRD)
  2. Sentinel-1, 2, 3 A&B Quaternions files (AUX_PROQUA)
  3. Sentinel-1 A&B CPOD Predicted Orbits (AUX_PREORB)
  4. Sentinel-1 A&B CPOD Restituted Orbits (AUX_RESORB)
  5. Sentinel-1 A&B CPOD Precise Orbits (AUX_POEORB)
  6. Sentinel-3 A&B CPOD Restituted Orbits (SR___ROE_AX)
  7. Sentinel-3 A&B CPOD Medium Orbit (AUX_RESORB)
  8. Sentinel-3 A&B CPOD Precise Orbits (AUX_POEORB)
  9. Sentinel-3 A&B CPOD Precise Platform data (AUX_PRCPTF)

We are pleased to announce that the following new products are now available as well:

  1. Sentinel-3A&B CNES Medium Orbit Ephemeris (SR___MDO_AX)
  2. Sentinel-3A&B CNES Precise Orbit Ephemeris (SR___POE_AX)
  3. Sentinel-6A CNES Medium Orbit Ephemeris (AX____MOED_AX)
  4. Sentinel-6A CNES Precise Orbit Ephemeris (AX____POE__AX)
  5. Sentinel-6A CPOD Restituted Orbit Ephemeris (AX____ROE__AX)
  6. Sentinel-6A GNSS RINEX observation files (AUX_GNSSRD)
  7. Sentinel-6A Quaternions files (AUX_PROQUA)

It is worth to mention that the Sentinel-6A GNSS RINEX observations includes GPS and GALILEO data. It is the first publicly available GALILEO data obtained from an orbiting receiver.

The GNSS RINEX (AUX_GNSSRD) and Quaternions files (AUX_PROQUA), together with the final orbital products (AUX_POEORB, AUX_PRCPTF, SR___POE_AX, and AX____POE__AX) are available since the beginning of each mission. The other orbital products (AUX_RESORB, SR___ROE_AX, SR___MDO_AX, AX____MOED_AX, and AX____ROE__AX) are available for at least one month, until the final products are available.

The typical accuracy of the orbital products can be found in the Regular Service Reviews that are carried out by the CPOD Service quarterly and published here.

Details about these products can be found on the POD Product Handbook.

Auxiliary data needed for Precise Orbit Determination, like manoeuvre information, can be found in the Sentinel online for Sentinel-1, Sentinel-2 and Sentinel-3.

Any doubt can be directed to the following email address:

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