🛰️ SATELLITE · HISTORICAL RECORD
[NRO Unk Smallsat 4]
Historical record[NRO Unk Smallsat 4] (NORAD 45725, COSPAR 2020-037C) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 13 Jun 2020 on the NRO/ANDESITE/M2PF mission. It was operated by NROC as part of the NRO TS programme. The spacecraft was built by NGISGA? on the NRO Unk Small bus, with a mass of 50 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2020
launched
6
years on orbit
50
kg mass
Lifecycle
Launched13 Jun 2020 · on the NRO/ANDESITE/M2PF mission
Specifications
NORAD ID45725
COSPAR2020-037C
TypeSatellite
OperatorNROC
Country / StateUS
ManufacturerNGISGA?
BusNRO Unk Small
Mass50 kg
ProgrammeNRO TS
CategorySIG?*
OrbitLEO (LLEO/S)
Altitude585 × 600 km
Inclination97.7°
Frequently asked questions
What happened to [NRO Unk Smallsat 4]?
[NRO Unk Smallsat 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 Smallsat 4]?
[NRO Unk Smallsat 4] was operated by NROC and built by NGISGA? (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.