🛰️ SATELLITE · HISTORICAL RECORD
TETRA 1
Historical recordTETRA 1 (NORAD 55138, COSPAR 2022-144E) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 1 Nov 2022 on the LDPE-2 mission. It was operated by SFSSC / MILLES as part of the ESPASAT programme. The spacecraft was built by MILLES on the Altair 27U bus, with a mass of 100 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2022
launched
4
years on orbit
100
kg mass
Lifecycle
Launched1 Nov 2022 · on the LDPE-2 mission
Specifications
NORAD ID55138
COSPAR2022-144E
TypeSatellite
OperatorSFSSC / MILLES
Country / StateUS
ManufacturerMILLES
BusAltair 27U
Mass100 kg
ProgrammeESPASAT
CategoryTECH
OrbitGEO (GEO/D)
Altitude35,916 × 35,946 km
Inclination2.9°
Frequently asked questions
What happened to TETRA 1?
TETRA 1 is a historical catalogue entry from a 2022 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 TETRA 1?
TETRA 1 was operated by SFSSC / MILLES and built by MILLES (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.