Zero gravity balloons

HEMERIA designs and manufactures zero gravity balloons which enable to compensate for the attraction of Earth’s gravity. They are used during the integration and testing stages of space vehicles in order to recreate their real operating conditions, in “zero gravity”.

  • A proven product range, in operation with several European satellite manufacturers
  • "Made in France" manufacturing, in Toulouse
  • Compliance with the quality and reliability standards expected in the space industry

Our product range

ZERO-G 5.4
ZERO-G 6.8

Balloon diameter

5.4 meters

6.8 meters


82 m³

160 m³

Maximum payload

71 kg

130 kg

Mass of the balloon

8.4 kg

20.4 kg


With or without dedicated case

With or without dedicated case

This site is registered on as a development site.