X Report 24 Jun 2025
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ONEWEB-0377 (49303)
COSPAR: 2021-090AA | Alt Name: OneWeb SL0377
Image
Additional Sources
Launch Details
Launch Date
October 14, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49303
International Designator
2021-090AA
Epoch
Sat, 04 Jul 2026 04:59:08 GMT
Apogee
Calculating...
Perigee
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Inclination
87.92°
Right Ascension
271.04°
Eccentricity
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Argument of Perigee
93.28°
Period
109.03 min
Mean Motion
13.21 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-0377
Alternative Name
OneWeb SL0377
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49303U 21090AA 26185.20774128 .00000657 00000-0 15830-2 0 9991
2 49303 87.9197 271.0447 0002001 93.2841 266.8521 13.20769192232767
Source: Celestrak
Summary
ONEWEB-0377, also known as OneWeb SL0377, is a communication satellite manufactured by ONEWUS and launched on October 14, 2021, from Vostochny Cosmodrome using the Soyuz-2-1B launch vehicle. The satellite operates within a trapezoid shape with two solar panels and measures 1.3 meters in length and has a diameter of 1 meter and a span of 5 meters. It weighs 140 kg dry mass and had a launch mass of 148 kg. Equipped with a Ku-Band payload and solar arrays for power, it utilizes SPT-50 or BHT-350 Hall effect thrusters as its motor system. The mission is dedicated to communication purposes with an expected operational lifetime of seven years. It belongs to the UK and operates under the ownership of 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 L11-025
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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