1999 in spaceflight

twin Mars impact probes

American astronaut

A Broadband Imaging X-ray All-sky Survey, or ABRIXAS, was a space-based German X-ray telescope. It was launched on 28 April 1999 in a Kosmos-3M launch vehicle from Kapustin Yar, Russia, into Earth orbit. The orbit had a periapsis of , an apoapsis of , an inclination of 48.0° and an eccentricity of 0.00352, giving it a period of 96 minutes.

overview of spaceflight-related events during the year of 1999

The Ghauri-II (Urdu: غوری-اا) is a land-based medium range guided ballistic missile designed and developed by the Khan Research Laboratories.

Canadian communications satellite

communications satellite