Key statistics
Satellite OSCAR 22 (UOSAT 5) at a glance.
Uptime
12512
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for OSCAR 22 (UOSAT 5).
Object identification
Identified? True
Debris? False
Object name: OSCAR 22 (UOSAT 5)
International designator: 1991-050B
Object number (NORAD): 21575
Object ID (CCSDS): 21575
Country: UNITED KINGDOM (UK)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 99.846 minutes
Inclination: 98.3824 deg
SMA: 7129.33 km
Apoapsis: 756.332 km
Periapsis: 746.058 km
RAAN: 359.1131 deg
Eccentricy: 0.00072059
Argument of periapsis: 176.3457 deg
Mean anomaly: 183.7787 deg
Mean motion: 14.42213951 rev/day
Mean motion (dot): 0.00000387 rev/day2
B* drag term: 0.00013062622 1/REarth
Two-line elements (TLE)
Creation date: Oct. 18, 2025, 2:17 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 17, 2025, 10:10 p.m. UTC
TLE line 0: 0 OSCAR 22 (UOSAT 5)
TLE line 1: 1 21575U 91050B 25290.92370875 .00000387 00000-0 13063-3 0 9998
TLE line 2: 2 21575 98.3824 359.1131 0007206 176.3457 183.7787 14.42213951799623
Live tracking on map
Real-time ground track for satellite OSCAR 22 (UOSAT 5).
In-orbit conjunctions
There are no conjunctions computed for OSCAR 22 (UOSAT 5), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
ERS (European Remote Sensing Satellite) are a family of multi-disciplinary Earth Observation Satellites.
OSCAR 22 (UOSAT 5) was lifted into orbit during the mission ‘Ariane 40 | ERS-1’, on board a Ariane 40 space rocket.
The launch took place on July 17, 1991, 1:46 a.m. from Ariane Launch Area 2.
For more information about the launch, click the button.
Ariane 40 | ERS-1
Agency: N/A
Status: Launch Successful
Launch date: July 17, 1991, 1:46 a.m. UTC
Rocket: Ariane 40
Launch pad: Ariane Launch Area 2
Location: Guiana Space Centre, French Guiana
...
Latest news about this satellite
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