In 2020, the global satellite bus market was valued at $27.67 billion. It's expected to grow from $30.08 billion in 2021 to $54.33 billion by 2028, with an annual growth rate of 8.81%. North America led the market, holding a 40.39% share in 2020. A satellite bus is the core structure of a satellite that provides power, propulsion, guidance and control, thermal regulation, and other critical functions to support the satellite's payload and operations. The satellite bus is the unsung hero that enables a satellite to reliably function in the harsh environment of space.
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Satellite buses come in a variety of sizes, designs, and capabilities to match the diverse range of satellite payloads, missions, and orbits. From the smallest CubeSats to the largest geostationary communications satellites, the satellite bus plays a vital role.
Over the past decade, satellite bus technology has advanced significantly, driven by the growth of the commercial space industry, the proliferation of small satellites, and the need for ever-more-capable space systems. This report provides an overview of the latest and most unique developments in satellite bus technology as of mid-2023.
One of the biggest trends in satellite bus design is the shift towards more modular and scalable architectures. Gone are the days of custom-built, one-off satellite buses. Today's leading satellite bus providers are focused on developing standardized, building-block style platforms that can be easily scaled up or down to accommodate different payload sizes and mission requirements.
The modular approach allows satellite manufacturers to rapidly configure and assemble a satellite bus to their specific needs, rather than having to develop a custom design from scratch. This dramatically reduces development timelines and costs. It also enables satellite operators to more easily upgrade or refresh their satellite fleets over time by swapping out older bus components.
Some of the most prominent examples of modular satellite bus architectures include: