ISS Trajectory and Sighting Opportunities for October 4, 2021

Estimated real-time trajectory and local sighting opportunities for the International Space Station (ISS). The data was generated by Trajectory Operations and Planning (TOPO) flight controllers at NASA's Johnson Space Center. The dataset represents a snapshot from October 4, 2021.

Use Cases

• Predict ISS visibility times for a specific location based on the trajectory data.
• Analyze orbital parameters and flight paths based on the estimated real-time trajectory.
• Plan satellite observation or photography sessions using the local sighting opportunities.
• Validate or compare orbital prediction models using the controller-generated trajectory data.

Strengths

• Data originates from the authoritative NASA Johnson Space Center flight controllers.
• Provides both trajectory and sighting opportunity information for a specific date.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is a single-day snapshot; temporal coverage is limited.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Generated by Trajectory Operations and Planning (TOPO) flight controllers.

Time Range

Snapshot for October 4, 2021.

Freshness

Last updated 2026-04-10 19:39:59.023296; freshness should be verified.

Geography

Global, based on ISS orbit.