Research lab · China
北京邮电大学 天算星座
Beijing Review reported 16 LEO satellites and 7 ground stations in September 2026; the first laser-linked Phase 2 satellites launched on 17 May 2025. Its next announced step is phase 2: 24 satellites; Phase 3: 300 satellites, stated as undated.
Stage 6 of 7: Pathfinder constellation
Beijing Review reported 16 LEO satellites and 7 ground stations in September 2026; the first laser-linked Phase 2 satellites launched on 17 May 2025.[1][2]
What the stage means: Several compute satellites flown as a network.
DoneReported
First primary satellite BUPT-1 launched
Source: Beijing Review
DoneReported
BUPT-2 and BUPT-3 launched on Zhuque-2E Y2 (first Phase 2 satellites)
Source: China Education Online
DoneReported
Reported at 16 LEO satellites and 7 ground stations, over 60 institutions supported
Source: Beijing Review
Targets as the organisation stated them. When a date moved, every move is listed with its source; a narrower window is shown as a narrowing.
undated
Phase 2: 24 satellites; Phase 3: 300 satellites[1]
What to watch · SpaceNexus note, not a prediction
Phase 2 completion.
| Figure | Value | Confidence and source |
|---|---|---|
| Satellites reported in orbit | 16 satellites | Reported[1] |
Wang Shangguang (BUPT)
| Program | Stage | Verified funding | Next step |
|---|---|---|---|
| Tiansuan (BUPT) (this page) | Stage 6 of 7: Pathfinder constellation | Not counted | Undated: Phase 2: 24 satellites; Phase 3: 300 satellites |
| ADA Space | Stage 6 of 7: Pathfinder constellation | Not counted | 2026: Deploy Group 02 and Group 03 computing satellites |
| Three-Body | Stage 6 of 7: Pathfinder constellation | Not counted | 2026: 10 computing satellites this year (2 launched by October) |
| Orbital Chenguang | Stage 5 of 7: Own satellite flown | Not counted | 2025 to 2027: First computing constellation and key technologies |
| Space String | Stage 5 of 7: Own satellite flown | Not counted | Q4 2027: G1 verification satellite (11.5 kW compute payload) |
| Supersmartcompute | Stage 5 of 7: Own satellite flown | Not counted | Undated: Advance large-scale constellation deployment |
| CASC / CAST | Stage 1 of 7: Concept | Not counted | 2027: Experimental 10 kW-class computing satellite (about 1,000 kg) |
Evidence reviewed 5 Oct 2026, fact-checked against primary sources. Nothing on this page is sponsored, and no company can pay to change, reorder or preview it. Spotted an error? Report a correction. How stages and labels work.
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