Centimetre-precision tracking for the orbital traffic problem.

Photrak is a pulsed laser rangefinder for orbital tracking. By measuring objects in low Earth orbit at centimetre-class precision, it changes the underlying data that the entire space situational awareness stack depends on.

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Most catalogued objects in low Earth orbit are tracked with uncertainty measured in tens of metres. For small debris, the uncertainty is considerably worse. That imprecision cascades through every downstream system. Conjunction warnings are issued with wide error bars. Operators manoeuvre defensively. Fuel is spent on margins of error that better data would close.

The space economy is paying the cost of imprecise tracking, and the cost compounds every year as more objects launch into already-crowded orbits. The strategic case for higher-precision orbital tracking is straightforward. The technical case requires new instruments.

What Photrak does

Precision ranging

Centimetre-class measurement of orbital objects, including small debris not reliably tracked by current systems.

Orbit determination

Range data that materially improves orbit determination accuracy and reduces conjunction warning uncertainty.

Catalogue contribution

Direct input into European space situational awareness catalogues, supporting sovereign tracking infrastructure.

Mission support

Targeted ranging campaigns for operators who need precision data on specific objects.

Stylised orbital plot, illustrative

Who it's for

Photrak is built for the institutions and operators responsible for orbital tracking and orbital traffic management:

European and national space agencies
Operators of space situational awareness infrastructure
Defence and civil authorities responsible for orbital surveillance
Mission planners and satellite operators needing precision data on specific objects
Research institutions advancing the orbital tracking state of the art

Why now

Low Earth orbit is more contested every year. Constellation deployments accelerate, debris populations grow, and the operational tempo of orbital traffic management strains the infrastructure built to support it. The data layer at the bottom of that stack, where positions are measured and uncertainties are bounded, is increasingly the limiting factor in how well everything above it can function.

European institutions have been clear about the strategic priority. Sovereign space situational awareness infrastructure is treated as essential capability rather than supplementary tooling, and the funding architecture is moving accordingly. The EIC Pathfinder programme exists to bring exactly the kind of instrument Photrak represents from research into demonstration.

Precision improvements at the measurement layer compound throughout the orbital economy. Better data produces better catalogues, better catalogues produce better conjunction analytics, better conjunction analytics produce defensible manoeuvre decisions. Photrak addresses the foundation.

Technical brief

The instrument

Photrak is a pulsed laser ranging payload designed for orbital tracking applications. The instrument architecture is built for the operational environment, with engineering trade-offs informed by the requirements of routine catalogue contribution rather than one-off demonstration.

The precision target

Photrak targets centimetre-class range precision against catalogued and uncatalogued orbital objects. This represents an order-of-magnitude improvement over current routine tracking capability for most LEO objects, with proportionally larger improvements for small debris.

The roadmap

The first phase delivers a flight-qualified ranging unit capable of demonstrating the precision target against a defined set of orbital targets. Subsequent phases extend the platform toward broader capability in active debris management. Detail on later phases is shared with serious partners under appropriate non-disclosure.

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Illustrative comparison. Specific precision values depend on object class, orbit, and operating conditions.

EIC Pathfinder 2026 consortium with Laser Zentrum Nord and LC InnoconsultTriops Technologies OÜ coordinatingEU data residencyTallinn, Estonia

Photrak is in active development with European consortium partners. We are not currently offering commercial access to the instrument. If you operate in the European space sector and want to understand Photrak's roadmap or discuss potential collaboration, get in touch.

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