Galileo Satellite Attitude Quaternions from Real-Time GNSS Network

A time series of attitude quaternion components for healthy satellites in the Galileo constellation, accumulated every minute. The product is generated at JPL's Global Differential GPS Operations Centers in real-time and can be concatenated with other daily products for extended temporal coverage. Data is provided by NASA's CDDIS as part of the GUARDIAN network.

Use Cases

• Precise Orbit Determination (POD) by integrating quaternion data with orbital models.
• Analyzing satellite orientation stability and maneuvers using the minute-by-minute time series.
• Concatenating daily files for long-term studies of constellation attitude behavior.
• Supporting real-time disaster information networks like GUARDIAN with GNSS-derived data.

Strengths

• Data is generated in real-time at JPL's Global Differential GPS Operations Centers.
• Provides minute-by-minute sampling for detailed temporal analysis of satellite attitude.
• Files are structured for easy concatenation to create longer time series.

Limitations

• Specific row count, file size, and column names are not provided by any source.
• License is ambiguously listed as 'other-license-specified' without further detail.

Provenance

Source

National Aeronautics and Space Administration (NASA), specifically the CDDIS and JPL's Global Differential GPS Operations Centers.

Collection Method

Generated from the Ground-Based GNSS-based Upper Atmospheric Realtime Disaster Information and Alert Network (GUARDIAN).

Time Range

24-hour daily files with minute accumulation; temporal extent expandable via concatenation.

Freshness

2026-03-13 01:35:07.883570

Geography

Global coverage from the Galileo satellite constellation.