🛰️ SATELLITE · HISTORICAL RECORD
CSO-3
Historical recordCSO-3 (NORAD 63156, COSPAR 2025-044A) is a historical F catalogue entry no longer tracked in the live catalogue, launched on 6 Mar 2025 on the CSO 3 mission. It was operated by DGA / CNES as part of the CSO programme. The spacecraft was built by ADST on the Astrosat-1000 bus, with a mass of 3,562 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2025
launched
1
year on orbit
3,562
kg mass
Lifecycle
Launched6 Mar 2025 · on the CSO 3 mission
Specifications
NORAD ID63156
COSPAR2025-044A
TypeSatellite
OperatorDGA / CNES
Country / StateF
ManufacturerADST
BusAstrosat-1000
Mass3,562 kg (2,500 kg dry)
ProgrammeCSO
CategoryIMG*
OrbitLEO (LEO/S)
Altitude801 × 804 km
Inclination98.6°
Frequently asked questions
What happened to CSO-3?
CSO-3 is a historical catalogue entry from a 2025 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 CSO-3?
CSO-3 was operated by DGA / CNES and built by ADST (F).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.