The single ROSAT spacecraft launched on 1 June 1990 aboard Delta II 6920-10 D195 from Cape Canaveral and operated in a 580 km, 53-degree low Earth orbit as an X-ray and extreme-ultraviolet observatory.
The single ROSAT spacecraft launched on 1 June 1990 aboard Delta II 6920-10 D195 from Cape Canaveral and operated in a 580 km, 53-degree low Earth orbit as an X-ray and extreme-ultraviolet observatory.