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VEP (Myojo)


The Vehicle Evaluation Payload (VEP), renamed Myojo after launch, was a Japanese spacecraft that was launched by an H-2 rocket from the Tanegashima Tanegashima launch site.

It provided a ranging function as well as functions to measure the acceleration and deformation, in order to confirm the accuracy of the H-2 rocket orbit injection and understand the environment of the payload equipment. It remained intentionally attached to the second stage of the H-2 launch vehicle. It carried the OREX reentry experiment on top, which was deployed in orbit.

Nation: Japan
Type / Application: Technology
Operator: NASDA
Contractors: NASDA
Power: Batteries
Mass: 2391 kg (without second stage)
Orbit: 449 km × 36261 km, 28.6
Satellite COSPAR Date LS Launch Vehicle Remarks
VEP (Myojo) 1994-007B 03.02.1994 Ta YLP-1 H-2 with OREX


  • NSSDC Master Catalog: Myojo
Further VEP missions: