VEP
VEP
Credit - ESA
Other Designations: Vehicle Evaluation Payload. Class: Technology. Destination: Geosynchronous Orbit. Nation: Japan. Agency: Japan(Myojo).

Monitored H-2 launch vehicle performance. National name MYOJO. 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. Launching organization NASDA.

Typical orbit: 449 km x 36261 km at 29 degrees inclination. Mass: 2,391 kg (5,271 lb). Associated Launch Vehicle: H-2, H-2A.


VEP Chronology
  • 1994 February 3 - VEP - Launch Site: Tanegashima. Launch Vehicle: H-2. Mass: 2,391 kg (5,271 lb). Perigee: 449 km (278 mi). Apogee: 36,261 km (22,531 mi). Inclination: 28.60 deg. Period: 645.00 min.

    Vehicle Evaluation Payload; monitored H-2 performance. Vehicle Evaluation Payload (VEP) MYOJO. Provides a ranging function as well as functions to measure the acceleration and deformation, in order to confirm the accuracy of the H-II rocket orbit injection and understand the environment of the payload equipme nt. Launch vehicle H-II rocket test flight H-II 1F. Launching organization NASDA. Launch time 2220:00 UT.

  • 2001 August 29 - VEP-2 - Launch Site: Tanegashima. Launch Vehicle: H-2A. Mass: 3,500 kg (7,700 lb). Perigee: 291 km (180 mi). Apogee: 35,979 km (22,356 mi). Inclination: 28.60 deg. Period: 636.60 min.

    Vehicle Evaluation Payload-2 consisted of ballast and monitoring instrumentation that remained attached to the launch vehicle's second stage. It included a Doppler ranging experiment for orbit determination.


Bibliography and Further Reading
  • McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Essential internet newsletter recording worldwide weekly space events. Accessed at: http://www.planet4589.org/jsr.html.
  • McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.
 
 
 
 
 
 
 
 
 

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