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ONEWEB-0259 (48977)
COSPAR: 2021-060L | Alt Name: OneWeb SL0259
Image
Additional Sources
Launch Details
Launch Date
July 1, 2021
Launch Site
VOSTO
Launch Pad
PU1S
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
48977
International Designator
2021-060L
Epoch
Sat, 04 Jul 2026 02:54:43 GMT
Apogee
Calculating...
Perigee
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Inclination
87.91°
Right Ascension
225.42°
Eccentricity
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Argument of Perigee
99.06°
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
Basic Satellite Info
Name
ONEWEB-0259
Alternative Name
OneWeb SL0259
Type
Payload
Status
Operational
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48977U 21060L 26185.12133393 .00000057 00000-0 11586-3 0 9997
2 48977 87.9085 225.4189 0002201 99.0643 261.0737 13.16593894241856
Source: Celestrak
Summary
The ONEWEB-0259 satellite, also known as OneWeb SL0259, was launched on July 1, 2021, from the Vostochny Cosmodrome using a Soyuz-2-1B launch vehicle. It is owned by OneWeb 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 has a span of 5 meters when deployed. Its dry mass is 140 kg, while its launch mass was 148 kg. Equipped with a Ku-Band payload for communication purposes, the satellite uses solar arrays and batteries for power. It also features SPT-50 or BHT-350 Hall effect thrusters as its propulsion system. The mission of ONEWEB-0259 is to provide communication services and it has an expected operational lifetime of 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 L8-007
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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