OS-X1 is a small solid fuel rocket designed by the Chinese company OneSpace as a suborbital demonstrator for their planned OS-M orbital rocket.
The 6 m long vehicle can carry a payload of 100 kg to a height of 800 km.
A first test launch of the OS-X1 rocket took place in May 2018 from a site at Alxa in northwest China. The solid motor burned for 35 seconds with maximum velocity more than Mach 5 and highest altitude about 40 km. A second flight took place in September 2018 from Jiquan and reached an altitude of 35 km.
No: Type Date LS Payload
1 1 OS-X1 16.05.2018 * Alx ? 2 2 OS-X1 07.09.2018 * Jq ? 3 1 OS-X6B 04.02.2021 * ? ? Planned: Launch sites: Alx = Alxa Left Banner Airport, Inner Mongolia, China † Jq = Jiuquan Space Center, Inner Mongolia, China