Space Brief 17 Aug 2025
Today's space news features major US Space Force satellite launches, regulatory changes supporting private space initiatives, and updates on SpaceX's Starship advances.
ONEWEB-0141 (47287)
COSPAR: 2020-100AF | Alt Name: OneWeb SL0132
Image
Additional Sources
Launch Details
Launch Date
December 18, 2020
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
47287
International Designator
2020-100AF
Epoch
Sat, 04 Jul 2026 04:02:46 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
347.27°
Eccentricity
Calculating...
Argument of Perigee
86.69°
Period
109.72 min
Mean Motion
13.12 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0141
Alternative Name
OneWeb SL0132
Type
Payload
Status
Operational
Owner
ONEWEB
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47287U 20100AF 26185.16859013 -.00000353 00000-0 -10165-2 0 9994
2 47287 87.8960 347.2705 0001988 86.6911 273.4445 13.12442569266902
Source: Celestrak
Summary
The ONEWEB-0141 satellite, also known as OneWeb SL0132, is a communication satellite belonging to OneWeb and was manufactured by ONEWUS in the UK. Launched on December 18, 2020, from Vostochny Cosmodrome, it uses a Soyuz-2-1B launch vehicle. The satellite has dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. Its dry mass is 140 kg, with a launch mass of 148 kg. It is equipped with a Ku-Band payload and solar arrays for power generation. The mission involves communication services using Hall effect thrusters (SPT-50 or BHT-350) as its motor system. The satellite has a trapezoid shape with two panels and an expected operational lifetime of 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 L4-030
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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