A New Partnership Takes Flight
Kepler Communications has secured Kongsberg NanoAvionics as its preferred European satellite bus provider, marking a significant step in expanding optical data relay infrastructure across the continent. Under the partnership, NanoAvionics will manufacture hosted payload spacecraft up to 500kg in mass equipped with Kepler's optical inter-satellite link technology, effectively multiplying the reach of Kepler's growing data relay constellation while giving NanoAvionics customers direct access to Kepler's on-orbit compute and connectivity services.
The move reflects a broader industry shift toward collaborative space architectures, where traditional satellite manufacturers integrate third-party services rather than building proprietary systems in isolation. For Kepler, the deal solves a critical geographic challenge: having a trusted European manufacturer reduces supply chain risk and accelerates deployment timelines in a region increasingly eager to reduce dependency on non-European launch and manufacturing providers. For NanoAvionics, it transforms their product line into a gateway service—their satellites become nodes in a larger network.
Why This Matters Now
Optical inter-satellite links (ISLs) have moved from experimental technology to operational necessity. Unlike radio-frequency links, optical connections transmit data at higher speeds and require smaller, lighter hardware—a crucial advantage for small satellites. Kepler's network already demonstrates this advantage, but growth requires manufacturing partners with proven heritage and European market access. NanoAvionics, owned by Kongsberg (a Norwegian defense and aerospace group), brings exactly that credibility.
The timing aligns with European regulatory momentum. The EU's proposed Space Programme emphasizes reducing reliance on foreign space infrastructure for critical communications. A European satellite manufacturer offering Kepler's services checks multiple boxes for customers wanting to support continental independence while accessing world-class data relay capability.
The Technical Picture
NanoAvionics' spacecraft platforms, typically ranging from 50kg to 500kg, are designed for rapid deployment and modular customization. Integrating Kepler's optical ISL hardware means these satellites can autonomously relay data from other spacecraft to ground stations or data centers—essentially becoming wireless routers in orbit. The 500kg mass ceiling targets the sweet spot between capability and launch economics: heavy enough to carry meaningful payloads and fuel for station-keeping, light enough to share rides on commercial launch vehicles alongside primary payloads.
The on-orbit compute angle adds another layer. Rather than just relaying raw data, NanoAvionics customers can now request processing services—filtering, compression, or analysis—before transmission. This reduces bandwidth demand and accelerates time-to-insight for Earth observation, maritime monitoring, and scientific applications.
What Comes Next
Watch for the first NanoAvionics-built satellite with Kepler integration to launch in 2026 or 2027. The success of early missions will determine how aggressively Kepler pursues similar partnerships in Asia-Pacific and other regions. For NanoAvionics, this opens a recurring revenue opportunity: every customer who signs up for Kepler's services generates ongoing service fees. The partnership also positions both companies favorably for upcoming European government contracts and potential inclusion in emerging space situational awareness and communications resilience programs.
The real test will be whether optical ISL performance matches current projections in the harsh radiation environment of space. If it does, this partnership could become a blueprint for how future constellations integrate multiple manufacturers and service providers into seamless networks.






