Space Brief 9 Mar 2025
Today's highlights include delayed satellite launches, SpaceX's Florida Starship expansion, a historic mission by Europe's Ariane 6, and NASA's twin missions to explore the ends of the Earth and the universe.
ONEWEB-0557 (56058)
COSPAR: 2023-043N | Alt Name: OneWeb SL0557
Image
Additional Sources
Launch Details
Launch Date
March 26, 2023
Launch Site
SRILR
Launch Pad
SLP
Launch Vehicle
LVM3
Orbital Elements
NORAD ID
56058
International Designator
2023-043N
Epoch
Sun, 19 Jul 2026 10:39:40 GMT
Apogee
Calculating...
Perigee
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Inclination
87.91°
Right Ascension
222.37°
Eccentricity
Calculating...
Argument of Perigee
63.37°
Period
109.37 min
Mean Motion
13.17 rev/day
Latitude
Calculating...
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-0557
Alternative Name
OneWeb SL0557
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 56058U 23043N 26200.44422350 .00000073 00000+0 15647-3 0 9995
2 56058 87.9082 222.3741 0001095 63.3707 296.7536 13.16594351163200
Source: Celestrak
Summary
The ONEWEB-0557 satellite, also known as OneWeb SL0557, was launched on March 26, 2023, from SRILR using the LVM3 launch vehicle. It is part of a communication mission operated by ONEWBN and manufactured by ONEWUS in the UK. The spacecraft uses an Arrow bus configuration with dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. Equipped with a Ku-Band payload for communication purposes and solar arrays with batteries for power, it weighs 148 kilograms at launch and has a dry mass of 140 kilograms. The satellite is designed to operate for approximately seven years and uses SPT-50 or BHT-350 Hall effect thrusters as its propulsion system. Its shape is characterized by a trapezoid with two panels.
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 L18-013
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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