OperationalPayloadSSO
YIJIAN is a payload in SSO orbit, operated by Shanghai Engineering Center for Microsatellites, SIMIT, launched 2016.
| Source | What it says | Date |
|---|---|---|
| CelesTrak SATCAT | Operational | since at least 2026-11-05 |
| GCAT (J. McDowell) | Believed still transmitting | |
| GCAT (J. McDowell) | Believed still operating | |
| GCAT (J. McDowell) | Last known active | 2018 |
Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.
From GCAT by Jonathan McDowell (CC BY 4.0), record S41899, checked 2026-11-05. About this source
From the GCAT launch log, launch 2016-081, checked 2026-11-05. About this source
See it moving on the 3D globe alongside every other active object, propagated in your browser.
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Nov 5, 2026.