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ONEWEB-0398 (50478)
COSPAR: 2021-132K | Alt Name: OneWeb SL0398
Image
Additional Sources
Launch Details
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
50478
International Designator
2021-132K
Epoch
Sun, 19 Jul 2026 17:07:31 GMT
Apogee
Calculating...
Perigee
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Inclination
87.89°
Right Ascension
14.58°
Eccentricity
Calculating...
Argument of Perigee
88.27°
Period
109.80 min
Mean Motion
13.11 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
ONEWEB-0398
Alternative Name
OneWeb SL0398
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50478U 21132K 26200.71355711 .00000422 00000+0 11545-2 0 9998
2 50478 87.8895 14.5826 0002126 88.2749 271.8622 13.11416087219873
Source: Celestrak
Summary
The satellite ONEWEB-0398 (also known as OneWeb SL0398) is a communication satellite built by ONEWUS and owned by ONEWEBN. It was launched on December 27, 2021, from the TYMSC launch site at LC31 using a Soyuz-2-1B rocket. The satellite has an arrow bus configuration with dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. Its dry mass is 140 kilograms and it weighs 148 kilograms at launch. It is equipped with a Ku-Band payload and solar arrays for power generation along with batteries. The propulsion system uses SPT-50 or BHT-350 Hall effect thrusters, and the satellite's shape includes trapezoid+2 pan configurations. Its mission is to provide communication services, and it has an expected lifetime of 7 years.
Physical Characteristics
Length
1.3
Diameter
1
Span
5
Dry Mass
140
Launch Mass
148
Shape
Trapezoid+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
OneWeb L12-033
Purpose
Communication
Mission
Communication
Manufacturer
ONEWUS
Life Expectancy
+ 7 years
Bus
ARROW
Configuration
Arrow bus
Motor
SPT-50 or BHT-350 Hall effect thrusters
Equipment
Ku-Band payload
Power System
solar arrays, 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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