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Checkmate 4

active

CommunicationsLEOCOSPAR 2023-050CLaunched 4/2/2023

Mission & Launch

Launch Mission: SDA-0A
Launch Vehicle: Falcon 9 FT5
Launch Date: 4/2/2023

Orbit & Mass

Orbit Class: LEO
Altitude: 946.5 km
Inclination: 81 deg
Orbit Plane: 1
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 0 Transport Layer
Active Satellites: 19

Registry

COSPAR ID: 2023-050C
UN Registration: ST/SG/SER.E/1130