TJS-27B

MilitaryLEOChina

TJS-27B is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as China in CelesTrak's catalogue, currently in low Earth orbit, around 1,151 km altitude. It completes one orbit of Earth roughly every 108 minutes at an inclination of 64.8°. It was launched in 2026. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 100176
COSPAR ID: 2026-173C
Type: Military
Orbit: LEO
Perigee (lowest): 1,151 km
Apogee (highest): 1,157 km
Inclination: 64.79°
Orbital period: 108 min
Launch year: 2026
Owner (CelesTrak): China

Orbital data updated: 2026-10-29 · from CelesTrak, refreshed every 2 hours.

Who operates it

ChinaLIVEActive

Signals intelligence (unconfirmed)

Official description

“Communication Technology Test Satellites 27A and 27B are mainly used for satellite communications, radio and television broadcasting, data transmission and similar services, and to carry out related technology tests and verification.”

Xinhua, 30 Jul 2026

azmth's translation · Show original

通信技术试验卫星二十七号A/B星主要用于卫星通信、广播电视、数据传输等业务，并开展相关技术试验验证。

“Communication Technology Test Satellites 27A, developed under the overall responsibility of the Fifth Academy of China Aerospace Science and Technology Corporation, and 27B, developed under the overall responsibility of its Eighth Academy, are mainly used for satellite communications, radio and television broadcasting, data transmission and similar services, and to carry out related technology tests and verification.”

China National Space Administration, 30 Jul 2026

azmth's translation · Show original

通信技术试验卫星二十七号A星由中国航天科技集团有限公司五院抓总研制，B星由航天科技集团八院抓总研制，主要用于卫星通信、广播电视、数据传输等业务，并开展相关技术试验验证。

Independent assessment

GCAT classes it as a military satellite for signals intelligence (unconfirmed) and records it as active (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

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About LEO orbit

Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~470 km), and Earth observation. Orbital period roughly 90 minutes.