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From Wikipedia, the free encyclopedia

Mission typeOSCAR, experimental
OperatorUniversity of Surrey
COSPAR ID1991-050B[1]
SATCAT no.21575
Spacecraft properties
Launch mass50 kilograms (110 lb)
Dimensions0.35 x 0.35 x 0.6 m
Start of mission
Launch date17 July 1991, 01:46:31 (1991-07-17UTC01:46:31Z) UTC
RocketAriane 40[2]
Launch siteKourou ELA-2
Orbital parameters
Reference systemGeocentric
Perigee altitude750 km (470 mi)
Apogee altitude760 km (470 mi)
Inclination98.6139 degrees
Period99.9 minutes
Epoch14 November 2020 03:42:14[3]

UoSAT-5, also known as UoSAT-F, UO-22 and OSCAR 22, is a British satellite in Low Earth Orbit. It was built by Surrey Satellite Technology and launched into space in July 1991 from French Guiana.[2][4]


UoSAT-5 carries equipment that was similar to that on UoSAT-4, a similar satellite that failed in orbit 1 year previously. The satellite tested new technologies, including validating the performance of Gallium arsenide solar arrays.


  1. ^ "UOSAT 5". NASA. Retrieved 29 June 2012.
  2. ^ a b "UoSat 3, 4, 5 (UO 14, 15, 22 / Oscar 14, 15, 22) / Healthsat 1". Gunter's Space Page. Retrieved 27 June 2012.
  3. ^ Peat, Chris (14 November 2020). "Uosat F - Orbit". Heavens-Above. Retrieved 15 November 2020.
  4. ^ "Sat Cat". Celestrak. Retrieved 29 June 2012.

This page was last edited on 20 January 2021, at 00:17
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