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UOSAT 5 (UO-22) (21575)
COSPAR: 1991-050B | Alt Name: UoSAT-OSCAR-22
Image
Additional Sources
Launch Details
Launch Date
July 17, 1991
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 40
Orbital Elements
NORAD ID
21575
International Designator
1991-050B
Epoch
Fri, 03 Jul 2026 21:29:00 GMT
Apogee
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Perigee
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Inclination
98.35°
Right Ascension
253.02°
Eccentricity
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Argument of Perigee
119.99°
Period
99.83 min
Mean Motion
14.42 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
UOSAT 5 (UO-22)
Alternative Name
UoSAT-OSCAR-22
Type
Payload
Status
Non-operational
Owner
SSTL
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21575U 91050B 26184.89514218 .00000244 00000-0 86841-4 0 9995
2 21575 98.3495 253.0159 0008247 119.9924 240.2086 14.42379979836959
Source: Celestrak
Summary
UOSAT 5 (UO-22), also known as UoSAT-OSCAR-22, is a microsatellite launched by SSTL on July 17, 1991, from the Guiana Space Centre using an Ariane 40 launch vehicle. This satellite has dimensions of 0.6 meters in length and 0.4 meters in diameter with a span of 6.5 meters. It weighs 48 kilograms both at launch and dry mass. The spacecraft is designed for radio amateur communication, earth observation, and technology purposes and is equipped with solar cells and batteries for power supply. Its shape is described as Box + Ant with an RCS of 0.393. UOSAT 5 operates without a motor or ADCS system and was part of the UK's satellite fleet managed by SSTL.
Physical Characteristics
Length
0.6
Diameter
0.4
Span
6.5
Dry Mass
48
Launch Mass
48
Shape
Box + Ant
Radar Cross Section
0.393
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
UoSAT 5
Purpose
Radio amateur communication, earth observation, technology
Mission
Radio amateur communication, earth observation, technology
Manufacturer
SSTL
Life Expectancy
Unknown
Bus
UoSAT
Configuration
Microsat-70
Motor
None
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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