🛰️ SATELLITE · HISTORICAL RECORD
Shiyan 12-01
Historical recordShiyan 12-01 (NORAD 50321, COSPAR 2021-129A) is a historical CN catalogue entry no longer tracked in the live catalogue, launched on 23 Dec 2021 on the Shiyan 12 01/02 mission. It was operated by CAST as part of the XJY programme. The spacecraft was built by CAST on the XYZ bus, with a mass of 3,000 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2021
launched
5
years on orbit
3,000
kg mass
Lifecycle
Launched23 Dec 2021 · on the Shiyan 12 01/02 mission
Specifications
NORAD ID50321
COSPAR2021-129A
TypeSatellite
OperatorCAST
Country / StateCN
ManufacturerCAST
BusXYZ
Mass3,000 kg (2,000 kg dry)
ProgrammeXJY
CategoryTECH?
OrbitGEO (GEO/D)
Altitude35,813 × 35,841 km
Inclination0.4°
Frequently asked questions
What happened to Shiyan 12-01?
Shiyan 12-01 is a historical catalogue entry from a 2021 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 Shiyan 12-01?
Shiyan 12-01 was operated by CAST and built by CAST (CN).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-11-02.