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TJS 3

completedLaunch 2018-110
Launched 12/24/2018HEOService GSat GTO O
Admin Edit
Payloads
Assets deployed on this mission, enriched from spacecraft records.
2 payloads
TJS-3 subsatellite
retired
Technology Demonstration
GEO
Tongxin Jishu Shiyan 3
active
Technology DemonstrationGEO
Launch Details
Launch Date
12/24/2018
Launch ID
2018-110
Launch Profile
Sat GTO O
Service Type
G
Orbit
HEO
Launch Stack
Operator
China Academy of Launch Vehicle Technology (CALT)
Launch Vehicle
Long March 3C G2
Launch Site
Launch Complex 3, Xichang Space Center (Xichang Space Center (Songlin), Sichuan, China)
Payload Summary
Payload Count
2
Payload Status
retired 1 / active 1
Payload Mission Types
Technology Demonstration 2
Track
Mentions
4
All verified mentions of this mission in source documents.

SJ-17, TJS-3, and SJ-20 are Chinese geosynchronous-orbit satellites that demonstrate rapid longitudinal shifts and loitering behaviors.

CapabilityGeneralValue 3.5May 4, 2026In Defence of Canada Briefing (Issue 8)

TJS-3, launched in 2018, released a subsatellite that performed subsequent maneuvers indicating coordinated movement with TJS-3, and the main satellite later made close approaches to U.S. satellites.

GeneralPlanCapabilityValue 4.0Dec 3, 2024China launches clandestine TJS-13 satellite, rocket reaches milestone

China’s TJS-3 satellite launched in 2018 released a payload of unstated purposes.

GeneralValue 2.0Feb 23, 2024China launches classified military satellite towards geostationary belt

China’s TJS-3 (Tongxin Jishu Shiyan-3) satellite launched in 2018 released a payload of unstated purposes and the pair maneuvered in concert and carried out spoofing operations.

CapabilityGeneralValue 3.5Nov 5, 2021An object is now orbiting alongside China’s Shijian-21 debris mitigation satellite