The two CubeSats will be released prior to Earth close approach and will operate autonomously, communicating with the main spacecraft acting as a relay with an Inter-Satellite Link that will also contribute to the asteroid gravity field determination.

By TYVAK INTERNATIONAL, ITALY

The Farinella Cubesat

The RAMSES orbiter 6U cubsat.

Instruments on board:

• ARA
  The low-frequency radar for internal structure probing.
  

• VISTA, for Volatile In-Situ Thermogravimeter Analyser
  The asteroid dust analyser.
  

• Horus
  The high resolution science camera that is also a navigation camera when in low orbit around Apophis.