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Today's brief covers China's record-breaking launch year, SpaceX's continued Starlink deployments, Blue Origin's launch challenges, and innovations in satellite maneuverability.
ONEWEB-0503 (54121)
COSPAR: 2022-138J | Alt Name: OneWeb SL0503
Image
Additional Sources
Launch Details
Launch Date
October 22, 2022
Launch Site
SRILR
Launch Pad
SLP
Launch Vehicle
LVM3
Orbital Elements
NORAD ID
54121
International Designator
2022-138J
Epoch
Sun, 19 Jul 2026 19:37:49 GMT
Apogee
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Perigee
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Inclination
87.92°
Right Ascension
298.47°
Eccentricity
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Argument of Perigee
99.98°
Period
109.11 min
Mean Motion
13.20 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
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Basic Satellite Info
Name
ONEWEB-0503
Alternative Name
OneWeb SL0503
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 54121U 22138J 26200.81793493 -.00000040 00000+0 -13157-3 0 9998
2 54121 87.9197 298.4663 0001736 99.9761 260.1567 13.19726848181121
Source: Celestrak
Summary
The ONEWEB-0503 satellite, also known as OneWeb SL0503, was launched on October 22, 2022, from the Satish Dhawan Space Centre (SRILR) using an LVM3 launch vehicle and belongs to the UK-based company ONEWBN. It is part of the communication mission and uses an Arrow bus configuration with a Ku-Band payload for its equipment. The satellite has dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. Its dry mass is 140 kg and it had a launch mass of 148 kg. It is powered by solar arrays and batteries and equipped with SPT-50 or BHT-350 Hall effect thrusters for propulsion. The expected lifetime of the satellite is approximately 7 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 L14-019
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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