AST SpaceMobile and Rakuten Form Japan Satellite JV Backed by Up to $1 Billion
AST SpaceMobile and Rakuten agreed to form a joint venture for a satellite network in Japan, backed by up to 148 billion yen (about $1 billion) in government support. The venture aims to provide direct-to-device communications by March 2029, with AST SpaceMobile supplying satellites. Rakuten will hold 51% of the venture, and services may extend globally with regulatory approval.
How this was made

The 30-second read
Why it matters
The joint venture creates a new revenue stream for ASTS and expands Rakuten’s telecom services, likely influencing their stock valuations.
Market read
First‑report disclosure of a $1 billion JV that could materially affect both participants' valuations.
What to watch
Execution risk of building a sovereign constellation and competition from other satellite providers.
Background
The announcement follows Japan’s J‑LEO program aimed at expanding satellite broadband coverage.
Ticker impact
AST SpaceMobile announced a joint venture with Rakuten to build a satellite network in Japan, backed by up to $1 billion government support.
likely upward pressure as investors price in the new $1 billion contract.
The deal secures a sizable, multi‑year government‑backed funding stream and expands ASTS market reach.
Market effects
Strengthens the satellite communications sector and may boost related hardware suppliers.
Adds to Japan’s push for domestic satellite connectivity, potentially benefiting local telecoms.
Highlights growing interest in non‑terrestrial networks worldwide.
Counterpoint
If the JV faces regulatory delays or technical hurdles, the anticipated upside could be muted.
Key entities
- companyAST SpaceMobile
U.S. satellite communications firm (ticker ASTS).
- companyRakuten
Japanese e‑commerce and telecom group (ADR ticker RAKU).




