🛰️ SATELLITE · HISTORICAL RECORD
[NRO Unk LEO 4]
Historical record[NRO Unk LEO 4] (NORAD 47295, COSPAR 2020-101B) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 19 Dec 2020 on the NROL-108 mission. It was operated by NROC as part of the NRO T programme. The spacecraft was built by UNKUS on the UNK bus, with a mass of 2,000 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2020
launched
6
years on orbit
2,000
kg mass
Lifecycle
Launched19 Dec 2020 · on the NROL-108 mission
Specifications
NORAD ID47295
COSPAR2020-101B
TypeSatellite
OperatorNROC
Country / StateUS
ManufacturerUNKUS
BusUNK
Mass2,000 kg (1,500 kg dry)
ProgrammeNRO T
CategoryIMG?
OrbitLEO (LLEO/I)
Altitude519 × 540 km
Inclination51.4°
Frequently asked questions
What happened to [NRO Unk LEO 4]?
[NRO Unk LEO 4] is a historical catalogue entry from a 2020 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 [NRO Unk LEO 4]?
[NRO Unk LEO 4] was operated by NROC and built by UNKUS (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.