The Terra satellite is scheduled to conduct the Constellation Exit Maneuver (CEM) on October 12 and 19. All science products from observations onboard Terra satellite will be unavailable starting October 10 till October 19 and the missing data can not be recovered. Users should exercise caution while using the Terra data between October 19 - October 21, as all instruments will still be recovering after the outage. For more detailed information, please visit the NASA Earthdata Forum: https://forum.earthdata.nasa.gov/viewtopic.php?t=3509