OCO-2 Level 0 spacecraft ephemerides V11.2 (OCO2_Eph) at GES DISC

Version 11.2 is the current version of the data set. Older versions will no longer be available and are superseded by Version 11.2. The Orbiting Carbon Observatory is the first NASA mission designed to collect space-based measurements of atmospheric carbon dioxide with the precision, resolution, and coverage needed to characterize the processes controlling its buildup in the atmosphere. The OCO-2 project uses the LEOStar-2 spacecraft that carries a single instrument. It incorporates three high-resolution spectrometers that make coincident measurements of reflected sunlight in the near-infrared CO2 near 1.61 and 2.06 micrometers and in molecular oxygen (O2) A-Band at 0.76 micrometers . Each band has 1016 spectral elements.This product contains the position and velocity of the spacecraft for each orbit. It is generated using the following input data:+ APID 20 telemetry+ Orbit Boundary File.It is essential in generating the Geolocations of the science data.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated April 6, 2026, 21:07 (UTC)
Created March 10, 2026, 02:59 (UTC)
accessLevel public
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harvest_source_title Science Discovery Engine
identifier /SDE/CMR_API/|C2951292138-GES_DISC
license https://www.usa.gov/government-works
modified 2026-03-30T22:16:01Z
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publisher NASA/GSFC/SED/ESD/TISL/GESDISC
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