🛰️ SATELLITE · CATALOGUE RECORD
USA 523
In orbitUSA 523 (NORAD 63606, COSPAR 2025-079A) is a US satellite in orbit, launched on 20 Apr 2025 on the NRO Starshield A8 mission. It is catalogued as Starshield 9-01. It is operated by NRO as part of the NRO Star A programme. The spacecraft was built by SPXS on the Starshield bus, with a mass of 800 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.
2025
launched
1
year on orbit
800
kg mass
Lifecycle
Launched20 Apr 2025 · on the NRO Starshield A8 mission
StatusOn orbit (not live-tracked)
Specifications
NORAD ID63606
COSPAR2025-079A
TypeSatellite
OperatorNRO
Country / StateUS
ManufacturerSPXS
BusStarshield
Mass800 kg (750 kg dry)
ProgrammeNRO Star A
CategoryIMG
OrbitLEO (LLEO/I)
Altitude276 × 292 km
Inclination70.0°
Frequently asked questions
What is USA 523?
USA 523 is a satellite launched in 2025 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 523?
USA 523 is operated by NRO and built by SPXS (US).
Launched together
Starshield 9-02Starshield 9-03Starshield 9-04Starshield 9-05Starshield 9-06Starshield 9-07Starshield 9-08Starshield 9-09
Catalogue record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-21.