🛰️ SATELLITE · HISTORICAL RECORD
USA 554 Subsat 1
Historical recordUSA 554 Subsat 1 (NORAD 67480, COSPAR 2025-173E) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 13 Aug 2025 on the NTS-3 mission. It was operated by USSF as part of the USSF GEO Unk programme. The spacecraft was built by NGISD on the ESPASat? bus, with a mass of 100 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2025
launched
1
year on orbit
100
kg mass
Lifecycle
Launched13 Aug 2025 · on the NTS-3 mission
Specifications
NORAD ID67480
COSPAR2025-173E
TypeSatellite
OperatorUSSF
Country / StateUS
ManufacturerNGISD
BusESPASat?
Mass100 kg
ProgrammeUSSF GEO Unk
CategoryEW*
Frequently asked questions
What happened to USA 554 Subsat 1?
USA 554 Subsat 1 is a historical catalogue entry from a 2025 launch. It is not currently tracked in the live catalogue — typically meaning it has decayed, been retired, or its tracking elements have lapsed.
Who operated and built USA 554 Subsat 1?
USA 554 Subsat 1 was operated by USSF and built by NGISD (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.