Value chain · CLM-0339
In plain terms
A 2019 paper said solar power satellites are often assumed to need visits in orbit for repairs and refuelling, but that no system yet existed to service satellites at geostationary orbit, though one was being developed.
The claim as recorded
The CASSIOPeiA concept paper states that SPS concepts are often ASSUMED to require regular servicing to replace worn components and refresh station-keeping propellant, but that, as of 2019, no infrastructure existed to service satellites in geostationary orbit, although such infrastructure was then in development.
Scope and limits
Establishes a stated capability GAP as of 2019 (achieved: no GEO servicing infrastructure) against an ASSUMED servicing need common in the design literature. It is a 2019 statement and does not describe later servicing work. Secure World Foundation's 2026 open-source assessment (SRC-223, PDF p.173 to 174) reports that China's SJ-25, launched in January 2025 and described by its maker as a test of refuelling and life-extension technology, was thought to have docked with SJ-21 near the geostationary belt in July 2025, that the two had separated by late November 2025, and that analysts believe SJ-25 served as a refuelling station for SJ-21; the Chinese government has released no information about them.
What it assumes
This is the source's own characterisation of the state of the art as of 2019; later GEO-servicing status is given in limits from one later source only.
Where it comes from
, PDF p.8 (journal p.177), in paraphrase: the paper notes a common assumption that a solar power satellite will need servicing at intervals, to swap worn parts and top up the propellant it uses to hold its position, and says that, as of 2019, no infrastructure yet existed to service satellites in geostationary orbit, though such infrastructure was being developed.
Related records
- Answers question
- QST-002 not published in this release
Cite this
energyaperture.com/c/clm-0339
CLM-0339, Energy Aperture, as of 2019.
Connected records
Other published records linked to this one. A list, not a judgement.
- Also from SRC-026
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