🛰️ SATELLITE · HISTORICAL RECORD
Alpine
Historical recordAlpine (NORAD 55139, COSPAR 2022-144F) 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 AFRL / MILLES as part of the ESPASAT programme. The spacecraft was built by MILLES 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.
2022
launched
4
years on orbit
100
kg mass
Lifecycle
Launched1 Nov 2022 · on the LDPE-2 mission
Specifications
NORAD ID55139
COSPAR2022-144F
TypeSatellite
OperatorAFRL / MILLES
Country / StateUS
ManufacturerMILLES
BusESPASat
Mass100 kg (80 kg dry)
ProgrammeESPASAT
CategoryTECH
OrbitGEO (GEO/D)
Altitude36,080 × 36,100 km
Inclination2.8°
Frequently asked questions
What happened to Alpine?
Alpine 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 Alpine?
Alpine was operated by AFRL / MILLES and built by MILLES (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.