EUTELSAT 172B
Europe's first high-power all-electric telecom satellite doesn't just sit above the Pacific - it got there on robotic arms and plasma thrusters, broke records doing it, and now keeps your airplane Wi-Fi running between LA and Tokyo.
ONEWEB-0029 (45445)
COSPAR: 2020-020X | Alt Name: OneWeb SL0029
Image
Additional Sources
Launch Details
Launch Date
March 21, 2020
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
45445
International Designator
2020-020X
Epoch
Fri, 03 Jul 2026 23:11:05 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.89°
Right Ascension
17.73°
Eccentricity
Calculating...
Argument of Perigee
85.64°
Period
109.80 min
Mean Motion
13.11 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0029
Alternative Name
OneWeb SL0029
Type
Payload
Status
Operational
Owner
ONEWEB
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 45445U 20020X 26184.96603272 -.00000045 00000-0 -16320-3 0 9998
2 45445 87.8879 17.7278 0001594 85.6435 274.4875 13.11417843304853
Source: Celestrak
Summary
The ONEWEB-0029 satellite, also known as OneWeb SL0029, is a communication satellite owned by Oneweb and manufactured by ONEWUS using an Arrow bus configuration. It was launched on March 21, 2020, from the TYMSC launch site (LC31) aboard a Soyuz-2-1B launch vehicle. The satellite has dimensions of 1.3 meters in length, a diameter of 1 meter, and a span of 5 meters. It weighs 148 kilograms at launch with a dry mass of 140 kilograms. Equipped with a Ku-Band payload and solar arrays for power generation, it is designed to operate for up to 7 years. The satellite uses SPT-50 or BHT-350 Hall effect thrusters for its propulsion system.
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 L3-019
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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