Soil Moisture Active Passive (SMAP) L1-L3 Ancillary Satellite Data V001

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 30, 2025 | Last Modified: 2025-03-31

This ancillary SMAP product contains two dynamic data sets describing 1) the attitude and 2) the trajectory of the SMAP satellite. The data files are generated using quaternions from the SMAP spacecraft and inputs from earth receiving stations, respectively.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C1539129338-NSIDC_ECS
issued	2015-01-31
landingPage	https://doi.org/10.5067/T5MXF865107T
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -86.4 180.0 86.4
temporal	2015-01-31T00:00:00Z/2025-03-24T00:00:00Z
theme	[ "geospatial" ]