Tianzhou Satellite Bus
Data current as of 2026-07-20.
The Tianzhou bus accounts for 10 cataloged objects, of which 1 are in orbit and 1 are active. 8 have reentered. Most are built by CAST. The largest operator on this bus is CMSEO. The first launched in 2017, the most recent in 2026.
1
In orbit
1
Active
10
Total launched
8
Reentered
Tianzhou launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Tianzhou satellites.
| Manufacturer | CAST |
|---|---|
| Purpose | Supply, cargo |
| Launch mass | 6683 kg |
| Dry mass | 6000 kg |
| Length | 9 m |
| Diameter | 3.35 m |
| Span | 9 m |
| Shape | Step cyl + 2 pan |
| Power | 2 deployable solar arrays, batteries |
| Typical orbit | 92 min period, 41° inclination |
Top operators
CMSEO 10
Top countries
CN 9 PRC 1
Tianzhou satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| TIANZHOU 10 | 69049 | 2026-102A | CMSEO | May 11, 2026 | 92 min, 41.5° | Inactive | ◉ |
| TIANZHOU-9 | 64786 | 2025-149A | CMSEO | Jul 14, 2025 | 92 min, 41.5° | Active | ◉ |
| TIANZHOU-8 Tianzhou-8 | 61983 | 2024-211A | CMSEO | Nov 15, 2024 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-7 Tianzhou-7 | 58811 | 2024-013A | CMSEO | Jan 17, 2024 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-6 Tianzhou-6 | 56446 | 2023-063A | CMSEO | May 10, 2023 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-5 Tianzhou-5 | 54237 | 2022-152A | CMSEO | Nov 12, 2022 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-4 Tianzhou-4 | 52509 | 2022-050A | CMSEO | May 9, 2022 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-3 Tianzhou-3 | 49222 | 2021-085A | CMSEO | Sep 20, 2021 | 92 min, 41.5° | Reentered | ◉ |
| TIANZHOU-2 Tianzhou-2 | 48803 | 2021-046A | CMSEO | May 29, 2021 | 93 min, 41.5° | Reentered | ◉ |
| TIANZHOU-1 Tianzhou-1 | 42684 | 2017-021A | CMSEO | Apr 20, 2017 | 92 min, 42.8° | Reentered | ◉ |
Frequently asked questions
How many Tianzhou satellites are there?
The catalog lists 10 objects built on the Tianzhou bus. 1 are in orbit and 8 have reentered.
How many Tianzhou satellites are in orbit?
1 Tianzhou objects are currently in orbit, of which 1 carry an active status.
Who builds the Tianzhou bus?
The Tianzhou bus is most commonly built by CAST.
When did the first Tianzhou satellite launch?
The first cataloged Tianzhou satellite launched in 2017, and the most recent in 2026.