Space Brief 23 Nov 2025
Today's highlights include a space debris incident involving China's spacecraft, development advancements for military space missions, and a notable setback for SpaceX's Starship booster.
ONEWEB-0314 (49100)
COSPAR: 2021-075AB | Alt Name: OneWeb SL0314
Image
Additional Sources
Launch Details
Launch Date
August 21, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49100
International Designator
2021-075AB
Epoch
Sat, 04 Jul 2026 05:51:09 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.91°
Right Ascension
2.46°
Eccentricity
Calculating...
Argument of Perigee
84.88°
Period
109.29 min
Mean Motion
13.18 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0314
Alternative Name
OneWeb SL0314
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49100U 21075AB 26185.24385772 .00000104 00000-0 23433-3 0 9992
2 49100 87.9145 2.4593 0002171 84.8848 275.2531 13.17650061235818
Source: Celestrak
Summary
The ONEWEB-0314 satellite, also known as OneWeb SL0314, is a communication satellite manufactured by ONEWUS under the Arrow bus configuration and owned by ONEWEBN. It was launched on August 21, 2021, from TYMSC LC31 using 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 with a dry mass of 140 kilograms. It is equipped with a Ku-Band payload and solar arrays for power generation. Its mission duration is expected to last up to seven years. The satellite uses SPT-50 or BHT-350 Hall effect thrusters as its propulsion system, and it was stabilized on August 22, 2021.
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 L9-060
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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