Tianzhou 2 cargo spacecraft prior to launch | |
| Manufacturer | CASC |
|---|---|
| Country of origin | |
| Operator | CMSA |
| Applications | Tiangong Space Station resupply |
| Specifications | |
| Spacecraft type | Automated cargo spacecraft |
| Launch mass | 13,500 kg (29,800 lb) (basic); 14,000 kg (31,000 lb) (improved) |
| Payload capacity | 6,900 kg (15,200 lb) (basic); 7,400 kg (16,300 lb) (improved) |
| Dimensions | 10.6 m × 3.35 m (34.8 ft × 11.0 ft) |
| Volume | 40 m3 (1,400 cu ft)[1] |
| Production | |
| Status | Active |
| On order | 1 |
| Built | 9 |
| Launched | 9 |
| Operational | 1 |
| Maiden launch | Tianzhou 1 |
| Last launch | Tianzhou 9 |
| Related spacecraft | |
| Derived from | Tiangong-1 |
| Powered by | 4× 490 N main engines, 32 attitude control engines (25, 120, 150 N thrust)[2] |
TheTianzhou (Chinese:天舟;pinyin:Tiān Zhōu;lit. 'Heavenly Ship') is a Chinese automatedcargo spacecraft developed from China's first prototypespace stationTiangong-1 to resupply its modular space station. It was first launched (Tianzhou 1) on theLong March 7 rocket fromWenchang on April 20, 2017[3] and demonstrated autonomous propellant transfer (space refueling).[4][5]
The first version of Tianzhou has a mass of 13,500 kg and can carry 6,900 kg of cargo. Tianzhou-6 is the first improved version of the spacecraft to be launched into orbit; it has a mass of about 14,000 kg and can transport 7,400 kg of cargo.[6]
Based on theTiangong-1 space station, the Tianzhou functions as the mainautomated cargo spacecraft for theTiangong space station. It has pressurized, semi-pressurized and unpressurized cargo capabilities, and is able to transport airtight cargo, large extravehicular payloads and experiment platforms. It was first launched on the newLong March 7 rocket fromWenchang on April 20, 2017.[4][7]
TheChina Manned Space Engineering Office opened a consultation for the naming of the prospective cargo ship on April 25, 2011. By May 20, it had received more than 50,000 suggestions.[8] On July 8,Yang Liwei, China's first astronaut and deputy director of theChinese Academy of Sciences revealed that they had a short list of ten names.[9] On October 31, 2013, it was revealed that the spacecraft had been namedTianzhou (Chinese:天舟;pinyin:Tiān Zhōu;lit. 'Heavenly Boat'), combining the Chinese names of theTiangong (Chinese:天宫;pinyin:Tiān Gōng)space stations and theShenzhou (Chinese:神舟;pinyin:Shén Zhōu)spacecraft. They also stated that they would use the two letter identificationTZ.[10]
Tianzhou spacecraft were initially flown to the Tiangong space station every 6 months. FromTianzhou 6 onward, missions have been flown with the new version of Tianzhou with increased cargo capacity, allowing the launch frequency to be reduced to three ships every two years.[11]
| Mission | Launch (UTC) | Carrier Rocket | Launch Pad | Docking (UTC) | Deorbit (UTC) | Remarks | |||
|---|---|---|---|---|---|---|---|---|---|
| Station/ Port | Docking | Undocking | |||||||
| Tianzhou 1 | 20 April 2017, 11:41 | Long March 7 | Wenchang, LC‑201 | Tiangong-2 forward | 21 April 2017, 04:16 | 22 September 2017, 08:15 | 22 September 2017, 10:00 | Maiden flight of the Tianzhou spacecraft. Only Tianzhou flight toTiangong-2. | [12] |
| Tianzhou 2 | 29 May 2021, 12:55 | Long March 7 | Wenchang, LC‑201 | Tianhe aft[a] | 29 May 2021, 21:01 | 27 March 2022, 07:59 | 31 March 2022, 10:40 | First Tianzhou flight to theTiangong space station. | [13][14][15][16] |
| Tianzhou 3 | 20 September 2021, 07:10 | Long March 7 | Wenchang, LC‑201 | Tianhe aft[b] | 20 September 2021, 14:08 | 17 July 2022, 02:59 | 27 July 2022, 03:31 | [17][18][19] | |
| Tianzhou 4 | 9 May 2022, 17:56 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 10 May 2022, 00:54 | 9 November 2022, 06:55 | 14 November 2022, 23:21 | [20] | |
| Tianzhou 5 | 12 November 2022, 02:03 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 12 November 2022, 04:10 | 11 September 2023, 08:46 | 12 September 2023, 02:13 | [21] | |
| Tianzhou 6 | 10 May 2023, 13:22 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 10 May 2023, 21:16 | 12 January 2024, 08:02 | 19 January 2024, 12:37 | [22] | |
| Tianzhou 7 | 17 January 2024, 14:27 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 17 January 2024, 17:46 | 10 November 2024, 08:30 | 17 November 2024, 13:25 | [23] | |
| Tianzhou 8 | 15 November 2024, 15:13 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 15 November 2024, 18:32 | 8 July 2025, 07:09 | 8 July 2025, 22:46 | [24] | |
| Tianzhou 9 | 14 July 2025, 21:34 | Long March 7 | Wenchang, LC‑201 | Tianhe aft | 15 July 2025, 0:52 | TBA | TBA | [25] | |