Polaris
Intelligence
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Intelligence
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Signals Intelligence
LEO
COSPAR 2025-077A
Launched 4/16/2025
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Mission & Launch
Launch Mission
NROL-174
Launch Vehicle
Minotaur IV
Launch Date
4/16/2025
Orbit & Mass
Orbit Class
LEO
Altitude
1,110.5 km
Inclination
63.4 deg
Dry Mass
200 kg
Total Mass
250 kg
Payload Classification
Mission Type
Signals Intelligence
Payload Category
SIG?*
Payload Class
D
Organizations
Operator
U.S. National Reconnaissance Office (NRO)
Manufacturer
BAE Systems
Registry
COSPAR ID
2025-077A
UN Registration
ST/SG/SER.E/1290
Track