Two-Line Element Set (TLE)
The compact data format that describes every tracked satellite orbit in just two lines of text, and how to read it
ONEWEB-0243 (48774)
COSPAR: 2021-045H | Alt Name: OneWeb SL0243
Image
Additional Sources
Launch Details
Launch Date
May 28, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48774
International Designator
2021-045H
Epoch
Fri, 03 Jul 2026 22:47:30 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
255.88°
Eccentricity
Calculating...
Argument of Perigee
110.07°
Period
109.46 min
Mean Motion
13.16 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ONEWEB-0243
Alternative Name
OneWeb SL0243
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48774U 21045H 26184.94965548 .00000102 00000-0 23676-3 0 9993
2 48774 87.8984 255.8792 0001606 110.0668 250.0635 13.15549958246563
Source: Celestrak
Summary
ONEWEB-0243, also known as OneWeb SL0243, is a communication satellite owned by ONEWEBN and manufactured by ONEWUS. Launched on May 28, 2021, from VOSTO using the Soyuz-2-1B launch vehicle, this Arrow bus satellite has dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. It carries a Ku-Band payload for its communication mission and uses SPT-50 or BHT-350 Hall effect thrusters as propulsion. The dry mass is 140 kilograms with an initial launch mass of 148 kilograms. Powered by solar arrays and batteries, the satellite has a projected lifespan of 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 L7-023
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 21 Nov 2025
SpaceX celebrates significant milestones with its 100th launch of the year, enhancing Starlink's coverage while preparing for an escalating Starship production cadence.
X Report 28 Oct 2025
SpaceX successfully launched 28 Starlink satellites and settled a lawsuit, while Starlink's performance faces scrutiny in Ukraine. Additionally, MTN is enhancing Starlink's business services.
X Report 6 Jun 2025
Today's SpaceX Brief highlights the imminent launch of the Ax-4 mission, notable milestones in Falcon rocket history, and the impact of political tensions on SpaceX operations.
Space Force Plans to Double Active-Duty Force by 2030 | KeepTrack Space Brief
Space Force confirms plan to double active-duty Guardians by 2030, targeting faster response to satellite anomalies and adversary maneuvers in space domain awareness operations.
Space Brief 25 Sep 2025
Discover the latest developments in space defense, innovative satellite technologies, nuclear advancements in space travel, and strategic military updates.
X Report 21 Jul 2025
SpaceX successfully launched 24 Starlink satellites into polar orbit, enhancing global coverage. Meanwhile, NASA's Crew-11 is now in quarantine ahead of their upcoming ISS mission.
Space Brief 11 Sep 2024
A recap of notable space events including the Soyuz MS-26 launch to the ISS, Polaris Dawn's altitude achievement, and satellite tracking updates.