TY-Space Technology

Updated 8 Jul 2026
Manufacturer China Listed
23 Products
5 Services
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About TY-Space Technology

TY-Space Technology (Beijing) Ltd. is a Chinese space technology company headquartered in Haidian District, Beijing, specialising in advanced attitude optical sensors and star trackers for the satellite industry. The company designs and manufactures a broad family of star trackers (HST, NST, PST series), digital sun sensors, dynamic and static star simulators, ground support test equipment, and a plug-and-play attitude control module (ADCS) that integrates star trackers, sun sensors, gyroscopes, magnetometers, reaction wheels, magnetic torquers and GNSS into a single subsystem.

TY-Space reports over 1,000 sets of star trackers successfully operating on-orbit. Its products have flown on numerous Chinese space missions, including the High Resolution Remote Sensing Project, the Lunar Exploration Program (Chang'e-4 relay/formation), and satellite constellations such as Jilin-1, Zhuhai-1, Chuangxin-06 and the Microscope constellation, as well as more recent launches for the Jixing high-score series, Traffic VDES, SpaceSail networking satellites, the G60 Polar Group, and the Chutian and Taijing constellations, demonstrating extensive and continuing on-orbit flight heritage.

TY-Space targets satellite manufacturers, research institutes, and commercial spacecraft developers requiring reliable, high-precision attitude determination optical sensors for LEO, MEO, GEO and deep-space missions. The company also offers professional testing services covering performance testing, environmental testing, space target discovery and tracking, and in-orbit remote sensing camera calibration, and maintains partnerships with Chinese universities and research institutes (Tsinghua, BUAA, NWPU, NUDT, CIOMP, AIRCAS, NSSC and others) as well as commercial satellite operators.

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Products

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The Attitude control module PnP ADCS-N1 is a product offered by TY-Space Technology for attitude control in space applications.

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A plug-and-play (PnP) satellite attitude determination and control module (ADCS-N1) integrating star trackers, sun sensor, gyroscope, magnetometer, reaction flywheels, magnetic torquers, and GNSS into one system.

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Ultra-compact TY-Space Dynamic Star Simulator (DSS-25) designed for all function and performance testing of star trackers mounted on satellites.

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The TY-Space Dynamic Star Simulators (DSS-14) is an instrument designed for function and performance testing of star trackers, offering adaptability to various star tracker brands.

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TY-Space Dynamic Testing System (DTS) is mainly formed by a star tracker, a Dynamic Star Simulator (DSS), and an image acquisition system for satellite semi-physical simulation testing.

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TY-Space Technology offers Ground Support Equipment, including Static Test Systems and Dynamic Test Systems, for the space industry.

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The HST-A1 Star Tracker is a high-performance attitude optical sensor designed for space industry applications, providing precise attitude determination for satellites.

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The HST-A1 is a fully autonomous, high-precision star tracker offering ultra-high pointing accuracy (up to 0.3 arcseconds, 3-sigma) for satellite attitude determination.

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The NST-3 is an advanced Nano Star Tracker designed for compact working conditions, featuring a smaller baffle and lower weight compared to its predecessor, the NST-4.

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The NST10-G1 is a star tracker equipped with a MEMS gyroscope, offering high pointing accuracy and dynamic performance for spacecraft attitude determination.

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The NST20-G2 is a fully autonomous, highly reliable, and precise star tracker designed for attitude determination with high dynamic performance and a secondary baffle for sun exclusion.

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The NST20-G3 is an upgraded, fully autonomous, high-precision, and high-dynamic attitude star tracker designed for spacecraft navigation.

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Flight-proven

The TY-Space NST4S-A2 Star Tracker is an autonomous nano star tracker designed for high-accuracy attitude determination in space applications.

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The NST5S-A1 is an autonomous, high-precision, and compact star tracker designed for spacecraft attitude determination, featuring a Sun Exclusive Angle of 35°.

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The TY-Space Optical Star Pattern Simulator (OSPS) is a static star simulator designed for testing the function and performance of star trackers, including in environmental experiments like thermal vacuum and thermal cycling.

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The PST3S-H4 is a compact, low-power refractive-optics star tracker designed for high-pointing-accuracy spacecraft attitude determination, with strong dynamic performance and radiation resistance.

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The PST3S-H5 is a compact, lightweight star tracker that operates normally under stray light conditions and can be customized for various satellite mission requirements.

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A micro-miniature, radiation-resistant star tracker with a deployment baffle, providing high-accuracy attitude determination for small satellites.

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The PST4S-H1 is a low-power-consumption, pico-class star tracker customizable for various small-satellite applications, part of a TY-Space product line with over 100 units successfully launched and operating on orbit.

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The SS-D Sun Sensor is a high-accuracy digital sun sensor designed for spacecraft, providing 2-axis sun vector angle output.

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The SS-G3 Sun Sensor is a product offered by TY-Space Technology, likely used for attitude determination in space applications.

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TY-Space Technology offers Star Simulators, including Optical Star Pattern Simulators and Dynamic Star Simulators (DSS-14, DSS-25), designed for testing and calibration of attitude optical sensors.

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TY-Space Static Star Testing System (SSTS) is mainly formed by a star tracker, an Optical Star Pattern Simulator (OSPS), and an image acquisition system.

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Additional Services

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Integration & testing
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System Alignment Measurement

TY-Space performs system alignment measurements to determine the transformation matrix between the device sensor coordinate system and the satellite coordinate system. This service utilizes the self-collimation function of a theodolite to calibrate the device sensor prism coordinate system and the…

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Testing & qualification
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Environmental Test

TY-Space conducts environmental tests, specifically focusing on the stray light exclusion angle of devices. This involves fixing the device on a turntable and setting different light intensities for a solar simulator according to test requirements. The angle of the device…

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Performance Testing

TY-Space offers performance testing for star trackers, which includes evaluating static and dynamic attitude efficiency, static accuracy, dynamic performance, polarity, and capture time across the entire sky. This involves fixing the device to a turntable and setting various angular speeds…

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Professional Test

TY-Space provides professional testing services, encompassing performance testing and environmental testing. Specifically for star trackers, they offer static and dynamic attitude efficiency tests, static accuracy, dynamic performance, polarity, and capture time in all-sky zones. They also conduct dynamic accuracy tests…

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Mission operations
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Remote Sensing Camera Calibration in Orbit

TY-Space offers in-orbit calibration services specifically for remote sensing cameras. This service ensures that remote sensing cameras maintain their accuracy and performance while operating in space, which is crucial for high-quality observations and data collection. The calibration process helps to…

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