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ONEWEB-0421 (50496)
COSPAR: 2021-132AD | Alt Name: OneWeb SL0421
Image
Additional Sources
Launch Details
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
50496
International Designator
2021-132AD
Epoch
Sun, 19 Jul 2026 19:01:09 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
328.97°
Eccentricity
Calculating...
Argument of Perigee
104.65°
Period
109.20 min
Mean Motion
13.19 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
ONEWEB-0421
Alternative Name
OneWeb SL0421
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50496U 21132AD 26200.79246582 .00000011 00000+0 -57748-5 0 9994
2 50496 87.9195 328.9729 0001547 104.6546 255.4758 13.18686180225915
Source: Celestrak
Summary
The ONEWEB-0421 satellite, also known as OneWeb SL0421, is a communication satellite manufactured by ONEWUS and launched on December 27, 2021, from the Tymshch launch site using a Soyuz-2-1B launch vehicle. It has a configuration based on the Arrow bus with dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. The satellite weighs approximately 140 kilograms dry and had a launch mass of 148 kilograms. It is equipped with a Ku-Band payload for communication purposes and powered by solar arrays and batteries. The satellite's propulsion system consists of SPT-50 or BHT-350 Hall effect thrusters, and its expected lifetime is approximately seven years. The mission is owned by ONEWEBN and operates under the purpose of providing communication services.
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 L12-003
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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