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ONEWEB-0397 (50477)
COSPAR: 2021-132J | Alt Name: OneWeb SL0397
Image
Additional Sources
Launch Details
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
50477
International Designator
2021-132J
Epoch
Sun, 19 Jul 2026 19:25:24 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
328.97°
Eccentricity
Calculating...
Argument of Perigee
101.12°
Period
109.20 min
Mean Motion
13.19 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
ONEWEB-0397
Alternative Name
OneWeb SL0397
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50477U 21132J 26200.80931230 -.00000025 00000+0 -96401-4 0 9990
2 50477 87.9204 328.9694 0001637 101.1204 259.0112 13.18687195225910
Source: Celestrak
Summary
The ONEWEB-0397 satellite, also known as OneWeb SL0397, was launched on December 27, 2021, from the TYMSC launch site using a Soyuz-2-1B launch vehicle. It is owned by ONEWBN and manufactured by ONEWUS in the UK for communication purposes. The satellite features an Arrow bus configuration with dimensions of 1.3 meters in length and 1 meter in diameter, including a span of 5 meters. Its dry mass is 140 kg, and it was launched with a total mass of 148 kg. Equipped with a Ku-Band payload and solar arrays for power generation, the satellite utilizes SPT-50 or BHT-350 Hall effect thrusters as its propulsion system. The expected operational lifetime is approximately 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 L12-028
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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