UoSAT-4

Failed British Low Earth Orbit Satellite

UoSAT-4
Mission typeOSCAR
OperatorUniversity of Surrey
COSPAR ID1990-005C[1]
SATCAT no.20438
Spacecraft properties
ManufacturerSSTL
Start of mission
Launch date22 January 1990, 01:35:27 (1990-01-22UTC01:35:27Z) UTC
RocketAriane 40[2]
Launch siteKourou ELA-2
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Perigee altitude780 km (480 mi)
Apogee altitude796 km (495 mi)
Inclination98.8074 degrees
Period100.6 minutes
Epoch15 April 2019, 20:59 [3]
OSCAR
← OSCAR 14
OSCAR 16 →
 

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.[1]

UoSAT-4 was launched on the same rocket as its sister satellite, UoSAT-3.[2]

Mission

UoSAT-4 carried equipment to supplement UoSAT-3, but failed after two days in orbit.[2]

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.

References

  • Spaceflight portal
  1. ^ a b "Sat Cat". Celestrak. Retrieved 27 June 2012.
  2. ^ a b c "UoSat 3, 4, 5 (UO 14, 15, 22 / Oscar 14, 15, 22) / Healthsat 1". Gunter's Space Page. Retrieved 27 June 2012.
  3. ^ "Oscar 15 - Orbit". Heavens-Above. 15 April 2019. Retrieved 16 April 2019.
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Orbital launches in 1990
January
February
March
April
  • Ofek-2
  • Unnamed
  • Pegsat, USA-55
  • Kosmos 2064, Kosmos 2065, Kosmos 2066, Kosmos 2067, Kosmos 2068, Kosmos 2069, Kosmos 2070, Kosmos 2071
  • AsiaSat 1
  • USA-56, USA-57, USA-58
  • Foton No.6L
  • Kosmos 2072
  • Palapa B2R
  • Kosmos 2073
  • Kosmos 2074
  • STS-31 (Hubble)
  • Kosmos 2075
  • Molniya-1 No.71
  • Kosmos 2076
May
  • Progress 42
  • Kosmos 2077
  • MacSat 1, MacSat 2
  • Kosmos 2078
  • Kosmos 2079, Kosmos 2080, Kosmos 2081
  • Kosmos 2082
  • Resurs-F1 No.50
  • Kristall
June
July
August
  • Soyuz TM-10
  • USA-63
  • Kosmos 2089
  • Kosmos 2090, Kosmos 2091, Kosmos 2092, Kosmos 2093, Kosmos 2094, Kosmos 2095
  • Ekran-M No.14L
  • Molniya-1T No.68
  • Progress M-4
  • Resurs-F1 No.49
  • Marco Polo 2
  • Kosmos 2096
  • Kosmos 2097
  • Yuri 3a
  • Kosmos 2098
  • Skynet 4C, Eutelsat II F-1
  • Kosmos 2099
September
  • Fengyun I-02, Qiqiuweixing 1, Qiqiuweixing 2
  • Resurs-F1 No.51
  • Kosmos 2100
  • Molniya-3 No.54L
  • Progress M-5
  • Meteor-2 No.25
October
November
  • Gorizont No.32L
  • USA-65
  • Kosmos 2103
  • STS-38 (USA-67, Prowler)
  • Kosmos 2104
  • Kosmos 2105
  • Satcom C1, GStar 4
  • Molniya 1T No.70
  • Gorizont No.33L
  • USA-66
  • Kosmos 2106
December
  • USA-68
  • STS-35
  • Soyuz TM-11
  • Kosmos 2107
  • Kosmos 2108
  • Kosmos 2109, Kosmos 2110, Kosmos 2111
  • Kosmos 2112
  • Gran' No.37L
  • Kosmos 2113
  • Kosmos 2114, Kosmos 2115, Kosmos 2116, Kosmos 2117, Kosmos 2118, Kosmos 2119
  • Kosmos 2120
  • Globus No.12
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). CubeSats are smaller.
Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).


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