X Report 17 Mar 2025
SpaceX's Crew-10 mission safely docks with the ISS, setting up for a crew rotation. Starlink continues its global expansion with additional satellite deployments.
ONEWEB-0178 (48075)
COSPAR: 2021-025AK | Alt Name: OneWeb SL0178
Image
Additional Sources
Launch Details
Launch Date
March 25, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48075
International Designator
2021-025AK
Epoch
Sat, 04 Jul 2026 02:30:03 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
316.87°
Eccentricity
Calculating...
Argument of Perigee
106.25°
Period
109.63 min
Mean Motion
13.13 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0178
Alternative Name
OneWeb SL0178
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48075U 21025AK 26185.10421095 .00000031 00000-0 51240-4 0 9998
2 48075 87.8968 316.8665 0002032 106.2515 253.8838 13.13470142255942
Source: Celestrak
Summary
The ONEWEB-0178 satellite, also known as OneWeb SL0178, is a communication satellite manufactured by ONEWUS for ONEWBN (OneWeb). It was launched on March 25, 2021, from Vostochny Cosmodrome using the Soyuz-2-1B launch vehicle. The 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, the ONEWEB-0178 uses solar arrays and batteries for power and features SPT-50 or BHT-350 Hall effect thrusters as its motor system. The satellite has a trapezoid+2 pan shape and is designed to operate for approximately 7 years in orbit, serving the purpose of communication services.
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 L5-004
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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