🛰️ SATELLITE · CATALOGUE RECORD
USA 276
In orbitUSA 276 (NORAD 42689, COSPAR 2017-022A) is a US satellite in orbit, launched on 1 May 2017 on the NROL-76 mission. It is catalogued as [NRO Unk LEO 2]. It is operated by NRO 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. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions. Catalogue 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
StatusOn orbit (not live-tracked)
Specifications
NORAD ID42689
COSPAR2017-022A
TypeSatellite
OperatorNRO
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 is USA 276?
USA 276 is a satellite launched in 2017 that is still in orbit. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions.
Who operates and built USA 276?
USA 276 is operated by NRO and built by BALL (US).
Catalogue record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-22.