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All about Starlink (Satellite Constellation)

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In this post I will tell you about Starlink. It is a sattelite constellation project which is in development by company SpaceX. There aim was to develop low cost and high performance sattelite bus. The expense on this project is nearly 10 Billion US dollar. SpaceX launched their first 60 satellites of constellation in May 2019 into 450 km orbit. They expect to launch 720 sattelites upto coming year 2020. They are trying to make broadband internet connectivity to determine area of the planet. They will be utilizing up to 10000 GHz frequency.

Starlink sattelite use Hall - Effect Thrusters with krypton gas as the reaction mass. It helps in orbit raising and altitude controls. The 60 starlink v0. 9 satellites those are launched in may 201 have following characteristics.
1. It have single solar array and flat panel design with multiple high through put antennas.
2. Mass - 226 kg.
3. It has star tracking navigation system and automatically collide avoidance.
4. Operational altitude of 550 km.

The first 60 starlink satellites are fixed on their orbit. SpaceX are doing their best to make fully this project. 

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