Mengtian experiment module
 Rendering of Mengtian experiment module | |
| Module statistics | |
|---|---|
| COSPAR ID | 2022-143A |
| Part of | Tiangong space station |
| Launch date | 31 October 2022, 07:37:23 UTC (15:37:23 CST) |
| Launch vehicle | Long March 5B (5B-Y4) |
| Mass |
|
| Length | 17.9 m (59 ft) |
| Diameter | 4.2 m (14 ft) |
| Pressurised volume | 109 m3 (3,800 cu ft) Habitable: 32 m3 (1,100 cu ft) |
| Docking with Tiangong space station | |
| Docking port | Tianhe forward |
| Docking date | 31 October 2022, 20:27 UTC |
| Undocking date | 3 November 2022, 00:48 UTC |
| Time docked | 2 days, 4 hours, 21 minutes |
| Berthing at Tiangong space station (relocation) | |
| Berthing port | Tianhe port |
| Berthing date | 3 November 2022, 01:32 UTC |
| Time berthed | 3 years, 10 months, 11 days |
 Insignia | |
| Configuration | |
 Diagram of the Mengtian module | |
The Mengtian experiment module (simplified Chinese: 梦天实验舱; traditional Chinese: 夢天實驗艙; pinyin: Mèngtiān shíyàn cāng; lit. 'Dreaming of the Heavens experiment module') is a major module of the Tiangong space station. It is the second Experiment Module launched, after Wentian, and the second module to extend the existing Tianhe core module of the station. It was launched into orbit from the Wenchang Spacecraft Launch Site on 31 October 2022, successfully docking with Tianhe forward port at 20:27 UTC on the same day.
On 3 November 2022, Mengtian was relocated to the larboard port at 01:32 UTC by indexing robot arm. On the same day at 07:12 UTC, the crew of Shenzhou 14 opened the hatch and entered the module for the first time.