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Description

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.

Version Description

Initial release

Product Summary

Platforms
SMAP
Instruments
NOT APPLICABLE
Projects
SMAP Ancillary
Spatial Extent

N: 86.4 S: -86.4 E: 180 W: -180

Location
GLOBAL LAND
Coordinate System
CARTESIAN
Granule Spatial Representation
NO_SPATIAL
Temporal Extent
2015-01-31 to Present
Concept ID
C3412875143-NSIDC_CPRD
Data State
ACTIVE
Number of Files/Granules
5726
Processing Level
NA
Published
Science Keywords
Attitude Characteristics ,
ORBITAL CHARACTERISTICS

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Peng, J., Mohammed, P., Chaubell, J., Chan, S., Kim, S., Das, N., Dunbar, S., Bindlish, R., & Xu, X. (2019). Soil Moisture Active Passive (SMAP) L1-L3 Ancillary Satellite Data, Version 1 [Dataset]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/T5MXF865107T Date Accessed: 2026-09-12

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