SDA Awards $1.75B for Golden Dome Missile Tracking | KeepTrack Space Brief
SDA hands L3Harris and Sierra Space $1.75B to build missile warning satellites for Pentagon's Golden Dome shield, targeting 2028 demonstration under accelerated schedule.
Launch Date
December 27, 2021
Launch Site
Launch Pad
LC31
Launch Vehicle
Soyuz-2-1B
NORAD ID
50495
International Designator
2021-132AC
Epoch
Sun, 19 Jul 2026 19:10:50 GMT
Apogee
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Perigee
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Inclination
87.92°
Right Ascension
328.97°
Eccentricity
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Argument of Perigee
103.53°
Period
109.20 min
Mean Motion
13.19 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Name
ONEWEB-0420
Alternative Name
OneWeb SL0420
Type
Status
Owner
ONEWEBN
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
1 50495U 21132AC 26200.79919133 .00000022 00000+0 23307-4 0 9996
2 50495 87.9195 328.9732 0002045 103.5318 256.6041 13.18684161225877
Source: Celestrak
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
Payload
OneWeb L12-001
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
Learn more about satellites and other related topics.
SDA hands L3Harris and Sierra Space $1.75B to build missile warning satellites for Pentagon's Golden Dome shield, targeting 2028 demonstration under accelerated schedule.
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