SHIYAN-27 OBJECT E

MilitaryLEOSSOPolarChina

SHIYAN-27 OBJECT E 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 1,052 km altitude. It completes one orbit of Earth roughly every 106 minutes at an inclination of 99.7°. It was launched in 2025. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 63603
COSPAR ID: 2025-078E
Type: Military
Orbit: LEO
Perigee (lowest): 1,052 km
Apogee (highest): 1,053 km
Inclination: 99.69°
Orbital period: 106 min
Launch year: 2025
Owner (CelesTrak): China

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

ChinaLIVEActive

Radar imaging

GCAT lists it as Shiyan 27-05.

Official description

“Shiyan-27 satellites 01 to 06 are mainly used for space environment detection and related technology tests.”

Xinhua, 19 Apr 2025

azmth's translation · Show original

试验二十七号卫星01星-06星主要用于空间环境探测及相关技术试验。

Independent assessment

GCAT classes it as a military satellite for radar imaging 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.

Military satellites, counted and explained →

About LEO orbit

Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.