Both modules are due for launchlaunched in 2022 on [[Long March 5B]] launch vehicles from [[Wenchang Satellite Launch Center]]. ''Wentian'' iswas scheduled to launchlaunched on 24 July 2022, while ''Mengtian'' iswas scheduledlaunched toon launch in31 October 2022.<ref name="sn-20220531" /> They will be inserted into a [[low Earth orbit]] with an average altitude of {{convert|393|km|mi|abbr=on}} at an [[orbital inclination]] of 42 degrees, centered in the Earth's [[thermosphere]].<ref name="nsf-20210301">{{cite web |last=Barbosa |first=Rui C. |date=1 March 2021 |url=https://www.nasaspaceflight.com/2021/03/china-preparing-to-build-tiangong-station-in-2021-complete-by-2022/ |title=China preparing to build Tiangong station in 2021, complete by 2022 |website=[[NASASpaceFlight.com]] |accessdate=15 March 2021}}</ref><ref name=LCM>{{cite web |last=David |first=Leonard |url=https://www.space.com/11048-china-space-station-plans-details.html |title=China Details Ambitious Space Station Goals |work=[[Space.com]] |date=7 March 2011 |access-date=23 February 2012}}</ref>