STS -48 (English Space Transportation System) is a mission name for the U.S. Space Shuttle Discovery NASA. The launch took place on 12 September 1991. It was the 43rd Space Shuttle mission and the 13th flight of the Space Shuttle Discovery.


  • John Creighton ( third space flight), Commander
  • Kenneth Reightler ( first space flight), Pilot
  • James Buchli (4th space flight), Mission Specialist
  • Charles Gemar ( second space flight), Mission Specialist
  • Mark Brown ( second space flight), Mission Specialist

Mission overview

The launch took place on 12 September 1991. He had to be delayed for 14 minutes due to a communication problem between the Kennedy Space Center and the mission 's headquarters in Houston. The takeoff weight was 108,890 kg.

The main payload, the Upper Atmosphere Research Satellite ( UARS ), was on the third day of flying (MET 2/05: 12) exposed. The 6.5 -tonne satellite led by one of the most detailed studies of the Earth's atmosphere, including the ozone layer.

More Shuttle payloads were: Ascent Particle Monitor ( APM); Middeck 0 - Gravity Dynamics Experiment ( MODE); Shuttle Activation Monitor (SAM ); Cosmic Ray Effects and Activation Monitor ( CREAM ); Physiological and Anatomical Rodent Experiment ( PARE ); Protein crystal growth II-2 ( II-2 PCG ); Investigations into Polymer Membrane Processing ( IPMP) and the Air Force Maui Optical Site ( AMOS ) experiment.

The landing took place on September 18 at 7:38 UTC clock on runway 22 at Edwards Air Force Base in California. It was the fifth night landing of the Space Shuttle program. The landing was originally planned at the Kennedy Space Center, but has been postponed due to bad weather according to Edwards. The orbiter returned on September 26 to Florida. The landing weight was 87,444 kg.