OMNI 5-min Data Set: Solar Wind Measurements at Earth's Bow Shock

NASA's OMNI 5-min Data Set provides solar wind magnetic field and plasma measurements at 5-minute resolution. The data is created from the HRO-1 dataset, which itself is derived from ACE, Wind, and IMP 8 satellite observations, shifted to the Earth's bow shock nose. The dataset was last updated on March 13, 2026.

Use Cases

• Forecasting geomagnetic storms based on solar wind plasma data.
• Modeling magnetospheric dynamics using magnetic field measurements.
• Analyzing solar wind variability at 5-minute temporal resolution.
• Correlating upstream satellite data with ground-based space weather effects.

Strengths

• Data is derived from multiple major satellite missions (ACE, Wind, IMP 8).
• Provides a 5-minute temporal resolution for high-frequency analysis.
• Processed and shifted to a consistent reference point at Earth's bow shock nose.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Created from the HRO-1 dataset, which was compiled from ACE, Wind, and IMP 8 satellite data.

Freshness

Last updated 2026-03-13 08:23:19.855695; freshness should be verified.

Geography

Space near Earth, specifically the bow shock nose.