Space Brief 17 Mar 2025
Today's highlights include significant data release from NASA's Atmospheric Waves Experiment, SpaceX's dual launches of Crew-10 and Starlink satellites, and intriguing findings from the arctic ice studies.
ONEWEB-0296 (49085)
COSPAR: 2021-075L | Alt Name: OneWeb SL0296
Image
Additional Sources
Launch Details
Launch Date
August 21, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49085
International Designator
2021-075L
Epoch
Fri, 03 Jul 2026 11:20:18 GMT
Apogee
Calculating...
Perigee
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Inclination
87.90°
Right Ascension
347.43°
Eccentricity
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Argument of Perigee
89.76°
Period
109.72 min
Mean Motion
13.12 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-0296
Alternative Name
OneWeb SL0296
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49085U 21075L 26184.47243495 -.00000242 00000-0 -70738-3 0 9998
2 49085 87.8962 347.4283 0002128 89.7641 270.3731 13.12442301236710
Source: Celestrak
Summary
The ONEWEB-0296 satellite, also known as OneWeb SL0296, was launched on August 21, 2021, from the TYMSC launch site using a Soyuz-2-1B launch vehicle. Manufactured by ONEWUS in the UK, this communication satellite operates with an Arrow bus configuration and is equipped with a Ku-Band payload for its mission. The spacecraft has dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. It had a launch mass of 148 kg and a dry mass of 140 kg, powered by solar arrays and batteries. The satellite is designed to operate for up to seven years using SPT-50 or BHT-350 Hall effect thrusters for propulsion. Its shape consists of a trapezoid with two panels attached.
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 L9-010
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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