Aeroespacial

High Gain Antenna Gimbal (HGAG) for the rover Perseverance of the Mars 2020 mission

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The Perseverance rover lands on Mars with technology from SENER Aeroespacial on board HIGH GAIN ANTENNA GIMBAL (HGA) para el ROVER DE MARS SCIENCE LABORATORY (MSL)
The Perseverance rover lands on Mars with technology from SENER Aeroespacial on board
HIGH GAIN ANTENNA GIMBAL (HGA) para el ROVER DE MARS SCIENCE LABORATORY (MSL)
  • Client: Airbus Defence and Space
  • Country: United States
  • Start date:
  • Ending date: 2019
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SENER Aeroespacial has designed, manufactured, tested and integrated the pointing mechanism for the high gain antenna (HGAG) of the Perseverance rover of NASA's Mars 2020 exploration mission.

The pointing mechanism has two degrees of freedom, azimuth and elevation, and is integrated on the rover platform, from where it can point the antenna precisely toward Earth. An actuator moves each axis independently to achieve the required velocity and accuracy. SENER Aeroespacial was also responsible for the hold down and release mechanism that provides a mechanical connection during launch and allows the subsequent operation of the antenna in Mars.

 

Characteristics Unit  
X-band Gimbal deg

+/- 140 deg azimut

+/- 110 deg elevation

Mass without anntena Kg 6
Temperature Range NOp ºC +110 / -135
Temperature Range NOp ºC +90 / -70
Dry Heat Microbial Reduction
 - -
     

As on the previous NASA Mars mission —Mars Science Laboratory (MSL)—, SENER Aeroespacial has been responsible for the HGAG pointing mechanism in cooperation with Airbus Defence and Space, main contractor for the system that comprises the gimbal and the high gain antenna.

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ExoMars mission

The ExoMars mission (Exobiology on Mars) is a joint venture of the European Space Agency [+]

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