🛰️ SATELLITE · HISTORICAL RECORD
Tongxin Jishu Shiyan 17
Historical recordTongxin Jishu Shiyan 17 (NORAD 63524, COSPAR 2025-073A) is a historical CN catalogue entry no longer tracked in the live catalogue, launched on 10 Apr 2025 on the TJS 17 mission. It is catalogued as TJS 17. It was operated by PLA SSF as part of the TJS15 programme. The spacecraft was built by SISE on the FY-4? bus, with a mass of 5,000 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
2025
launched
1
year on orbit
5,000
kg mass
Lifecycle
Launched10 Apr 2025 · on the TJS 17 mission
Specifications
NORAD ID63524
COSPAR2025-073A
TypeSatellite
OperatorPLA SSF
Country / StateCN
ManufacturerSISE
BusFY-4?
Mass5,000 kg (2,500 kg dry)
ProgrammeTJS15
CategorySIG
OrbitGEO (GEO/S)
Altitude35,779 × 35,794 km
Inclination0.1°
Frequently asked questions
What happened to Tongxin Jishu Shiyan 17?
Tongxin Jishu Shiyan 17 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 Tongxin Jishu Shiyan 17?
Tongxin Jishu Shiyan 17 was operated by PLA SSF and built by SISE (CN).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-11-02.