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Praetorian SDA-619

active

CommunicationsLEOCOSPAR 2025-203TLaunched 9/10/2025

Mission & Launch

Launch Mission: SDA T1TL-B
Launch Vehicle: Falcon 9 FT5
Launch Date: 9/10/2025

Orbit & Mass

Orbit Class: LEO
Altitude: 945.5 km
Inclination: 81.3 deg
Orbit Plane: 5
Dry Mass: 300 kg
Total Mass: 300 kg

Payload Classification

Mission Type: Communications
Payload Category: COM
Payload Class: D

Organizations

Operator: U.S. Space Development Agency (SDA)
Manufacturer: York Space Systems

Constellation

Name: PWSA Tranche 1 Transport Layer
Active Satellites: 42
Planned Satellites: 126

Registry

COSPAR ID: 2025-203T