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.
No: Type Date LS Payload
1 1 OS-X1 16.05.2018 * Alx ? Launch sites: Alx = Alxa Left Banner Airport, Inner Mongolia, China †