HEO Inspect
We inspect satellites in space
HEO Inspect launched on August 3, 2021 with 95 votes, #515 of 2,953 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
HEO Inspect helps satellite operators and governments visually monitor their spacecraft and other space objects. HEO monitors these space objects using Earth observation satellites, which are transformed into in-orbit inspection cameras through HEO's software.
HEO delivers on-demand, high-frequency images on satellites and actionable insights using the world's largest non-Earth imaging dataset and sensor network.
Identify newly launched objects, verify deployments and assess spacecraft configuration and capability with timely non-Earth imagery. Monitor satellites at an industry-leading cadence to understand behaviour, including attitude, configuration changes and operational intent. Use on demand NEI inspection to support attribution, diagnose anomalies and confirm spacecraft state when it matters. Help shape the next era of space operations and solve critical challenges for security, transparency and sustainability infrom heospace.com
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HeimdallFeb 2026 · heimdallspace.com · ▲126Hey HN, We built Heimdall (heimdallspace.com) because the existing tools for space situational awareness are genuinely painful to use: clunky interfaces, fragmented data sources, slow rendering. The ones that aren't are locked behind enterprise solutions. We thought the foundation of this should be open and accessible. The goal is a satellite observability platform: one place that gives operators complete, real-time insight into their assets and the orbital environment around them. Today's release is the foundation—aggregating and rendering the full public space catalog (30,000+ objects) in…
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