Soil Moisture Active Passive (SMAP) L1-L3 Ancillary Satellite Data, Version 1
Data set id:
SMAP_L1_L3_ANC_SATELLITE
DOI: 10.5067/T5MXF865107T
This is the most recent version of these data.
Version Summary
Initial release
In this section
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Overview

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.
Parameter(s):
ATTITUDE CHARACTERISTICSORBITAL CHARACTERISTICS
Platform(s):
SMAP
Sensor(s):
NOT APPLICABLE
Data Format(s):
Binary
Temporal Coverage:
31 January 2015 to present
Temporal Resolution:
  • Not applicable
Spatial Resolution:
  • not applicable
  • not applicable
Spatial Coverage:
N:
86.4
S:
-86.4
E:
180
W:
-180
Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools

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HTTPS File System

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Programmatic Data Access Guide
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Supported software languages:
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GitHub Repository
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Documentation

General Resources

SMAP Ancillary File Read Me

Help Articles

General Questions & FAQs

How to learn more about SMAP ancillary data
SMAP Ancillary data sets are used to produce SMAP Level-1, -2, -3, and -4 standard data products.
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How to Articles

Filter and order from a data set web page using the Data Access Tool
Many NSIDC DAAC data sets can be accessed using the NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface.Users have the option to
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