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OCO-3 Data Center

Watch Animation: OCO-3 Level 2 XCO2 Animation

Level 2 Products

The OCO-3 L2 XCO2 Lite and SIF Lite products are posted on the GES DISC for global access:

These data have been produced by the OCO-3 project, and are provided freely to the public.

L2 XCO2 Lite and SIF Lite products from OCO-2 (sister mission to OCO-3) are also available at the GES DISC:

Helpful documentation to review before your start working with OCO-3 and OCO-2 data can be found here.

Feedback and acknowledgement

In order to improve our product and have continued support for this work, we need user feedback and user acknowledgement of data usage. Therefore, we request that when publishing using OCO-3 data, please acknowledge NASA and the OCO-3 project.

  • Include OCO-3 as a keyword to facilitate subsequent searches of bibliographic databases if it is a significant part of the publication
  • Include a bibliographic citation for OCO-3 data. The most relevant citations currently are Taylor et al. [2023] and O’Dell et al. [2018]
  • Include the following acknowledgements: “These data were produced by the OCO-3 project at the Jet Propulsion Laboratory, California Institute of Technology, and obtained from the OCO-3 data archive maintained at the NASA Goddard Earth Science Data and Information Services Center.”
  • We recommend sending courtesy copies of publications to the OCO-3 Project Scientist,, and Deputy Project Scientist,

We are happy to hear your comments and questions - please email

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