Please make a donation to support Gunter's Space Page.
Thank you very much for visiting Gunter's Space Page. I hope that this site is useful and informative for you.
If you appreciate the information provided on this site, please consider supporting my work by making a simple and secure donation via PayPal. Please help to run the website and keep everything free of charge. Thank you very much.


TJS 1 (Tongxin Jishu Shiyan) is a Chinese geostationary communications technology test satellite.

The satellite is repordedly mainly used to conduct a test on Ka-band in broadband communication. Also it has been reported, that it features a large unforlable dish antenna. It has been positioned at 154.5 deg East.

The lack of public information has lead to the suspiction, that this satellite has a military mission. It has been speculated, that the satellite might be in fact a military SIGINT satellite.

TJS 1 was launched in September 2015 on a CZ-3B/G2 rocket.

Nation: China
Type / Application: Communication ?
Contractors: CAST
Power: 2 deployable solar arrays, batteries
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
TJS 1 2015-046A 12.09.2015 Xi LC-2 CZ-3B/G2
Further TJS missions: