Space Brief 4 Jul 2025
Explore today's key space events including China's satellite launch, ULA's Vulcan rocket preparations, significant budget bills from Congress, and discussions on lunar business prospects.
ONEWEB-0288 (49078)
COSPAR: 2021-075D | Alt Name: OneWeb SL0288
Image
Additional Sources
Launch Details
Launch Date
August 21, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
49078
International Designator
2021-075D
Epoch
Sat, 04 Jul 2026 04:07:50 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
87.90°
Right Ascension
347.28°
Eccentricity
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Argument of Perigee
89.95°
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-0288
Alternative Name
OneWeb SL0288
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49078U 21075D 26185.17211232 -.00000382 00000-0 -10975-2 0 9993
2 49078 87.8961 347.2779 0002024 89.9498 270.1862 13.12441202237416
Source: Celestrak
Summary
The satellite ONEWEB-0288 (ALT_NAME: OneWeb SL0288) is a communication satellite manufactured by ONEWUS for ONEWBN and was launched on August 21, 2021, from the TYSMC launch site using Soyuz-2-1B as the launch vehicle. It has an arrow bus configuration with dimensions of 1.3 meters in length, 1 meter in diameter, and a span of 5 meters. The satellite's dry mass is 140 kilograms, and its launch mass was 148 kilograms. Equipped with a Ku-Band payload and solar arrays along with batteries for power, the satellite uses SPT-50 or BHT-350 Hall effect thrusters as motors. Its mission duration is estimated to last 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 L9-008
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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