Space Brief 28 Feb 2025
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ONEWEB-0351 (49215)
COSPAR: 2021-083AF | Alt Name: OneWeb SL0351
Image
Additional Sources
Launch Details
Launch Date
September 14, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49215
International Designator
2021-083AF
Epoch
Sat, 04 Jul 2026 00:00:32 GMT
Apogee
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Perigee
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Inclination
87.92°
Right Ascension
271.09°
Eccentricity
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Argument of Perigee
111.23°
Period
109.03 min
Mean Motion
13.21 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0351
Alternative Name
OneWeb SL0351
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49215U 21083AF 26185.00037712 .00000021 00000-0 20103-4 0 9990
2 49215 87.9199 271.0897 0002535 111.2291 248.9113 13.20770488238991
Source: Celestrak
Summary
ONEWEB-0351, also known as OneWeb SL0351, is a communication satellite owned by ONEWEBN and manufactured by ONEWUS. Launched on September 14, 2021, from the TYSMC 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 and 1 meter in diameter, featuring a span of 5 meters for its solar arrays. The satellite's dry mass is 140 kilograms, and it was launched at a mass of 148 kilograms. It is equipped with a Ku-Band payload and powered by solar arrays and batteries. Its mission focuses on communication purposes, utilizing SPT-50 or BHT-350 Hall effect thrusters for propulsion and has an expected operational lifetime of 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 L10-001
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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