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TY 4 (Xiaoxiang 4, XX 4)

Xiaoxiang 4 (XX 4), also known as TY 4 (Tianyi 4), is a commercial research nanosatellite developed by Spacety Aerospace Co. at the Changsha Gaoxinqu Tianyi Research Institute, Hunan.

The 8 kg satellite is built to the 6U CubeSat form factor.

TY 4 belongs to the aurora program and is a scientific satellite program, developed jointly by Tainyi research institute and the astrophysics center of Tsinghua university for X-ray polarization detection of the crab nebula. It detects with polarization the crab nebula and the internal pulsar by the 2 -10 kev energy continuum X-ray mainly based on the photoelectric effect.

Nation: China
Type / Application: Technology
Operator: Spacety Aerospace Co., Changsha Gaoxinqu Tianyi Research Institute, Hunan
Contractors: Spacety Aerospace Co., Changsha Gaoxinqu Tianyi Research Institute, Hunan
Equipment: Stabilized camera system
Configuration: CubeSat (6U)
Power: 2 deployable fixed solar arrays, batteries
Mass: 8 kg
Orbit: 500 km SSO
Satellite COSPAR Date LS Launch Vehicle Remarks
TY 4 (Tianyi 4, XX 4, Xiaoxiang 4) - 2018 Jq Kuaizhou-11 with Jilin-1 Optical-B, Xiangrikui 1A, Xiangrikui 1B, Ouke-Micro 1, Zhongwei 1