UoSAT-4, also known as UO-15 and OSCAR-15, is a British satellite in Low Earth Orbit. It was built by a spin-off company of the University of Surrey, Surrey Satellite Technology (SSTL) and launched in January 1990 from French Guiana.
|Operator||University of Surrey|
|Start of mission|
|Launch date||22 January 1990, 01:35:27 UTC|
|Launch site||Kourou ELA-2|
|Perigee altitude||780 km (480 mi)|
|Apogee altitude||796 km (495 mi)|
|Epoch||15 April 2019, 20:59|
UoSAT-4 was launched on the same rocket as its sister satellite, UoSAT-3.
The satellite forms part of the growing amounts of orbital debris orbiting around the Earth. The payload will decay in the Earth's atmosphere some time in the future.
- "Sat Cat". Celestrak. Retrieved 27 June 2012.
- "UoSat 3, 4, 5 (UO 14, 15, 22 / Oscar 14, 15, 22) / Healthsat 1". Gunter's Space Page. Retrieved 27 June 2012.
- "Oscar 15 - Orbit". Heavens-Above. 15 April 2019. Retrieved 16 April 2019.