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E-st@r
e-st@r (Educational Satellite @ Politecnico di Torino) was a miniaturised satellite built by the Politecnico di Torino. It was a 1U CubeSat design with a 10 cm side and a mass not exceeding 1.33 kg.
In 2006 the Polytechnic University of Turin had tried to put one of its satellites into orbit (PiCPoT), but the Dnepr launcher used exploded a few seconds after the start and destroyed itself.
In 2009 the European Space Agency in view of the inaugural launch of Vega (which being the first launch had a high probability of failure) offered 9 seats on the carrier for the same number of cubesats, plus another two seats for larger satellites. Only 7 of the cubesats managed to be prepared in time for launch:
They were launched into low Earth Orbit on the maiden flight of Arianespace's Vega rocket on 13 February 2012 on a multi-payload mission shared with LARES of the Italian Space Agency and ALMASat-1 of the University of Bologna.
The satellite was successfully deployed into orbit, and the signal was received by the team's ground station and by amateur radio operators. However, operations have been impeded by unexpected tumbling, and the satellite was put into safe mode.
The communication system used a PIC microcontroller and communicated with the ground at a frequency of 437.445 MHz with a power of 0.5 W. The frequencies had been assigned to cubesats by ESA.
A total of about 50,000 euros were spent on the design and construction of the satellite.
The orbit was inclined 71° and slightly elliptical. It also crossed the van Allen belts.
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E-st@r
e-st@r (Educational Satellite @ Politecnico di Torino) was a miniaturised satellite built by the Politecnico di Torino. It was a 1U CubeSat design with a 10 cm side and a mass not exceeding 1.33 kg.
In 2006 the Polytechnic University of Turin had tried to put one of its satellites into orbit (PiCPoT), but the Dnepr launcher used exploded a few seconds after the start and destroyed itself.
In 2009 the European Space Agency in view of the inaugural launch of Vega (which being the first launch had a high probability of failure) offered 9 seats on the carrier for the same number of cubesats, plus another two seats for larger satellites. Only 7 of the cubesats managed to be prepared in time for launch:
They were launched into low Earth Orbit on the maiden flight of Arianespace's Vega rocket on 13 February 2012 on a multi-payload mission shared with LARES of the Italian Space Agency and ALMASat-1 of the University of Bologna.
The satellite was successfully deployed into orbit, and the signal was received by the team's ground station and by amateur radio operators. However, operations have been impeded by unexpected tumbling, and the satellite was put into safe mode.
The communication system used a PIC microcontroller and communicated with the ground at a frequency of 437.445 MHz with a power of 0.5 W. The frequencies had been assigned to cubesats by ESA.
A total of about 50,000 euros were spent on the design and construction of the satellite.
The orbit was inclined 71° and slightly elliptical. It also crossed the van Allen belts.
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