Space Brief 6 Aug 2025
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ONEWEB-0370 (49296)
COSPAR: 2021-090T | Alt Name: OneWeb SL0370
Image
Additional Sources
Launch Details
Launch Date
October 14, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49296
International Designator
2021-090T
Epoch
Sat, 04 Jul 2026 05:13:29 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
271.05°
Eccentricity
Calculating...
Argument of Perigee
98.78°
Period
109.03 min
Mean Motion
13.21 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0370
Alternative Name
OneWeb SL0370
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49296U 21090T 26185.21770273 .00000001 00000-0 -28664-4 0 9995
2 49296 87.9195 271.0468 0002303 98.7788 261.3606 13.20771488232118
Source: Celestrak
Summary
The ONEWEB-0370 satellite, also known as OneWeb SL0370, is a communication satellite built by ONEWUS for the UK-based company OneWebN. Launched on October 14, 2021, from VOSTO launch site using a Soyuz-2-1B rocket, this Arrow bus configuration satellite has dimensions of 1.3 meters in length and 1 meter in diameter with a span of 5 meters. Its dry mass is 140 kg, and it had a launch mass of 148 kg. Equipped with a Ku-Band payload and solar arrays for power generation, the satellite uses SPT-50 or BHT-350 Hall effect thrusters for propulsion. The expected lifetime of ONEWEB-0370 is 7 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 L11-005
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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