Heimdall
Hey 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…
Heimdall launched on February 26, 2026 with 126 votes, #258 of 16,628 launches that month and more than 95% of that year's launches.
What it does
Space is getting crowded—fast. By 2030, over 100,000 satellites will orbit Earth alongside millions of debris fragments. Heimdall is a real-time satellite intelligence platform that aggregates, processes, and renders telemetry for every public traceable object in Earth's sphere of influence—accessible anytime, anywhere.
Real-time orbital data for every object in Earth
Real-time orbital data for every public object in Earth's sphere of influence. Aggregated, processed, rendered at scale. Space is getting crowded. From roughly 3,000 active satellites in 2020 to an estimated 100,000 by 2030, the need to understand the orbital environment has never been greater. Heimdall's mission is simple: make the most out of available space data and create value for the ones who need it most. Today, that data is scattered. Satellite position, purpose, origin are spread across disconnected sources, difficult to access and tedious to understand. We're bringing it together. Aggregating all major orbital data sources into a single, continuously updated 3D environment…from heimdallspace.com
In the maker’s words, at launch
Hey 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…
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