Space Brief 2 Nov 2025
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ONEWEB-0247 (48777)
COSPAR: 2021-045L | Alt Name: OneWeb SL0247
Image
Additional Sources
Launch Details
Launch Date
May 28, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48777
International Designator
2021-045L
Epoch
Fri, 03 Jul 2026 22:56:37 GMT
Apogee
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Perigee
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Inclination
87.90°
Right Ascension
255.87°
Eccentricity
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Argument of Perigee
123.05°
Period
109.46 min
Mean Motion
13.16 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-0247
Alternative Name
OneWeb SL0247
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48777U 21045L 26184.95598919 .00000242 00000-0 60766-3 0 9997
2 48777 87.8997 255.8724 0001671 123.0547 237.0744 13.15548564246611
Source: Celestrak
Summary
The ONEWEB-0247 satellite, also known as OneWeb SL0247, is a UK-manufactured communication satellite based on the Arrow bus design by ONEWUS. Launched on May 28, 2021, from VOSTO using the Soyuz-2-1B launch vehicle, it has a length of 1.3 meters and a diameter of 1 meter with a span of 5 meters. The satellite's dry mass is 140 kg and its total launch mass was 148 kg. It features a Ku-Band payload and solar arrays for power generation alongside batteries. Its propulsion system includes SPT-50 or BHT-350 Hall effect thrusters. With an expected operational lifetime of seven years, ONEWEB-0247 supports communication purposes as part of the OneWeb constellation under ownership by ONEWBN.
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 L7-016
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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