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Signals IntelligenceLEOCOSPAR 2025-077BLaunched 4/16/2025

Mission & Launch

Launch Mission: NROL-174
Launch Vehicle: Minotaur IV
Launch Date: 4/16/2025

Orbit & Mass

Orbit Class: LEO
Altitude: 1,111.5 km
Inclination: 63.39 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: 2025-077B
UN Registration: ST/SG/SER.E/1290