X Report 25 Aug 2025
SpaceX faced delays in launching its 10th Starship test flight while successfully deploying a Cargo Dragon to resupply the ISS, marking a significant milestone in the ongoing collaboration with NASA.
ONEWEB-0321 (49191)
COSPAR: 2021-083F | Alt Name: OneWeb SL0321
Image
Additional Sources
Launch Details
Launch Date
September 14, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49191
International Designator
2021-083F
Epoch
Sat, 04 Jul 2026 04:05:35 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.92°
Right Ascension
271.05°
Eccentricity
Calculating...
Argument of Perigee
107.04°
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-0321
Alternative Name
OneWeb SL0321
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49191U 21083F 26185.17055371 .00000081 00000-0 16613-3 0 9998
2 49191 87.9190 271.0506 0002123 107.0391 253.0975 13.20773668239075
Source: Celestrak
Summary
The ONEWUS-built satellite named ONEWEB-0321 (also known as OneWeb SL0321) was launched on September 14, 2021, from the TYSMC launch site using Soyuz-2-1B at LC31. It has a length of 1.3 meters, diameter of 1 meter, and span of 5 meters with a dry mass of 140 kg and launch mass of 148 kg. The satellite utilizes an Arrow bus configuration and is equipped with a Ku-Band payload for communication purposes. Its propulsion system includes SPT-50 or BHT-350 Hall effect thrusters, while power comes from solar arrays and batteries. The expected operational lifetime is 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 L10-010
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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