Masat-1 – the size of a milk carton
Imagine a device that is smaller and lighter than a carton of milk, works on solar energy and consumes less power than a cellular phone. It is able to send messages even from the extreme environment of outer space while traveling faster than a bullet. This is the first Hungarian satellite.
The first Hungarian micro satellite is smaller than a carton of milk and weighs in at no more than 1kg.
Masat–1 (the name comes from the words „magyar”, meaning Hungarian, and „satellite”) is a small, so called picosatellite, a 10x10x10 centimeters cube, which is allowed to be at most 1 kilogram in mass. Building the satellite is a pilot project, serving primarily educational purposes. It is also a technical experiment, the results of which will greatly help develop a more sophisticated satellite in the future. After entering orbit, it will send information to the ground stations. Small size and mass do not exempt from careful design of complicated devices on board. Designing and developing mechanics and subsystems that endure the hardships of launch and outer space pose problems equal to those of larger satellites. The scientific goals of Masat-1 are testing a semi-active magnetic stabilizing system and measuring environmental parameters, such as temperature and acceleration vectors.
Simplified block diagram of the satellite. The satellite is divided into 4 electrical subsystems and the structure:
• On-Board Computer (OBC)
• Attitude Determination and Control System (ADCS)
• Electrical Power System (EPS)
• Communication System (COM)
• Structure (STRU)
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