GUARDIAN Galileo Satellite Real-Time Precise Orbits

Galileo constellation satellite position and velocity time series are provided with one-minute sampling in 24-hour files. The product includes formal 1-sigma uncertainties for all components and is generated in real-time by JPL's Global Differential GPS Operations Centers. Daily files can be concatenated to extend temporal coverage.

Use Cases

• Analyzing satellite orbital velocity and position variations over time for gravitational field studies.
• Monitoring real-time health and precise location of Galileo constellation satellites.
• Concatenating daily files to create long-term time series for crustal motion or polar motion research.
• Using provided 1-sigma uncertainty values for error analysis in precise orbit determination models.

Strengths

• Data includes formal 1-sigma uncertainty estimates for all position and velocity components.
• Provides high-frequency, one-minute sampling for detailed temporal analysis of orbital parameters.
• Generated in real-time by JPL's operational center, indicating operational reliability.

Limitations

• Specific column names and the total row count per file are not provided by any source.
• Sources conflict on license details, with some listing 'other-license-specified' and others 'None'.
• The exact data volume and file sizes are unknown across all platforms.

Provenance

Source

NASA CDDIS, generated by JPL's Global Differential GPS Operations Centers.

Collection Method

Real-time precise orbit determination from ground-based GNSS data.

Time Range

Daily 24-hour files, concatenable for extended coverage.

Freshness

Last updated on 2026-03-13 according to two platforms.

Geography

Global coverage of the Galileo satellite constellation.