🛰️ SATELLITE · HISTORICAL RECORD
[NRO Unk Smallsat 5]
Historical record[NRO Unk Smallsat 5] (NORAD 45873, COSPAR 2020-046A) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 15 Jul 2020 on the NROL-129 mission. It was operated by NROC as part of the NRO TS programme. The spacecraft was built by BALL? on the BCP-2000? bus, with a mass of 250 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2020
launched
6
years on orbit
250
kg mass
Lifecycle
Launched15 Jul 2020 · on the NROL-129 mission
Specifications
NORAD ID45873
COSPAR2020-046A
TypeSatellite
OperatorNROC
Country / StateUS
ManufacturerBALL?
BusBCP-2000?
Mass250 kg (200 kg dry)
ProgrammeNRO TS
CategorySIG?*
OrbitLEO (LLEO/I)
Altitude569 × 580 km
Inclination54.0°
Frequently asked questions
What happened to [NRO Unk Smallsat 5]?
[NRO Unk Smallsat 5] 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 5]?
[NRO Unk Smallsat 5] was operated by NROC and built by BALL? (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.