Optical Intersatellite Link (OISL)
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ONEWEB-0418 (50493)
COSPAR: 2021-132AA | Alt Name: OneWeb SL0418
Image
Additional Sources
Launch Details
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
50493
International Designator
2021-132AA
Epoch
Sun, 19 Jul 2026 19:34:55 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
328.97°
Eccentricity
Calculating...
Argument of Perigee
91.07°
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-0418
Alternative Name
OneWeb SL0418
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50493U 21132AA 26200.81592096 -.00000058 00000+0 -18046-3 0 9996
2 50493 87.9197 328.9689 0001827 91.0651 269.0690 13.18685918225965
Source: Celestrak
Summary
The ONEWEB-0418 satellite, also known as OneWeb SL0418, is a communication satellite manufactured by ONEWUS and owned by ONEWBN. It was launched on December 27, 2021, from the TYMSC site using Soyuz-2-1B launch vehicle. The satellite weighs 148 kg at launch with a dry mass of 140 kg. Its dimensions are 1.3 meters in length and 1 meter in diameter, with a span of 5 meters due to its solar arrays. It operates on a Ku-Band payload and uses SPT-50 or BHT-350 Hall effect thrusters for propulsion. The satellite is designed for communication purposes and has a projected lifetime of seven 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 L12-026
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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