🛰️ SATELLITE · HISTORICAL RECORD
[NRO Unk LEO 2]
Historical record[NRO Unk LEO 2] (NORAD 42689, COSPAR 2017-022A) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 1 May 2017 on the NROL-76 mission. It was operated by NROC as part of the NRO T programme. The spacecraft was built by BALL on the BCP-5000 bus, with a mass of 2,700 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2017
launched
9
years on orbit
2,700
kg mass
Lifecycle
Launched1 May 2017 · on the NROL-76 mission
Specifications
NORAD ID42689
COSPAR2017-022A
TypeSatellite
OperatorNROC
Country / StateUS
ManufacturerBALL
BusBCP-5000
Mass2,700 kg (2,200 kg dry)
ProgrammeNRO T
CategoryTECH/IMG-R?
OrbitLEO (LLEO/I)
Altitude389 × 409 km
Inclination50.0°
Frequently asked questions
What happened to [NRO Unk LEO 2]?
[NRO Unk LEO 2] is a historical catalogue entry from a 2017 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 2]?
[NRO Unk LEO 2] was operated by NROC and built by BALL (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.