Tancredo-1

Tancredo-1 was a Brazilian picosatellite. It was a TubeSat which was developed by the students from the school Tancredo Almeida Neves, in Ubatuba (SP), with support for the picosat platform made by Instituto Nacional de Pesquisas Espaciais (INPE), adapting and integration to launch provided by TuPOD[2] from Italian company GAUSS Srl and by Agência Espacial Brasileira (AEB).[3][4][5][6]

Tancredo-1
Mission typeGeoscience
Technology
OperatorINPE
EMTAN
COSPAR ID1998-067KT
SATCAT no.41931
Mission duration4 months
Start of mission
Launch dateDecember 9, 2016.
Orbit since January 16, 2017
RocketH-2B-304/Kounotori 6
Launch site Japan Yoshinobu Launch Complex, Tanegashima Space Center
End of mission
Decay dateOctober 18, 2017 [1]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Eccentricity0,0008418
Periaag altitude383 km
Apoaag altitude394 km
Inclination51,64°
Period92,32 min
 

Project

The idea was proposed by math teacher Cândido Oswaldo de Moura, inspired in a video called "TubeSats" and kits to build personal satellites developed by the company Interorbital Systems, in the United States.[4][7] To start the project, the teacher contacted the Instituto Nacional de Pesquisas Espaciais (INPE), where, later, he was followed by another teacher to receive training and be able to help the students. The material to construct the satellite sponsored by a salesclerk of Ubatuba and the launch was possible with help of AEB. The satellite was named “Tancredo-1” after the school.[4]

Characteristics

The picosatellite was 13 cm long and has a mass of 570 grams. It has five plaques in its structure. Solar arrays in the cylinder are responsible for powering the components of Tancredo-1. Some space exists inside the satellite what can be used for small scientific experiments in space, in the case of Tancredo-1, two payloads were used: one voice recorder for radio-amateurs, educational payload and one simplified Langmuir probe to study the formation of plasma bubbles in the ionosphere. The Langmuir probe was made by National Institute for Space Research. The platform tubesat passed by a total re-engineering from the work to Mestrado em Engenharia de Sistemas Espaciais Eng. Auro Tikami from INPE with orientation of Walter Abrahão dos Santos – INPE.[8]

Almost 100 students took part in the project with the job of welding pieces and building electric circuits.[4][7] It orbited the Earth from 310 km. The satellite suffered orbital decay and burnt up in the atmosphere.[4][7]

The TubeSat started transmitting on January 19, 2017 on the frequency of 437.200 MHz in the 70 cm amateur band.

See also

References
  1. brazilianspace - Picosatélite Construído Por Alunos de Escola Pública de Ubatuba (SP) Reentra na Atmosfera da Terra
  2. "TuPOD Handover to JAXA Accomplished – GAUSS Srl – Gaussteam". www.gaussteam.com. Retrieved 2016-12-06.
  3. "Projeto Ubatuba Sat promove mais um curso de aperfeiçoamento" (in Portuguese). Retrieved 17 May 2015.
  4. "Alunos do interior de São Paulo constroem satélite que vai ao espaço" (in Portuguese). asboasnovas.com. Retrieved 17 May 2015.
  5. "Ubatuba Sat – Escola Municipal Presidente Tancredo" (in Portuguese). Retrieved 17 May 2015.
  6. Walter Abrahão; et al. (2014-12-08). "A Langmuir Probe Payload Adaptation for CubeSats-TubeSats". Dos Santos. Cite journal requires |journal= (help)
  7. "Alunos da 5ª série de Ubatuba montam satélite que vai ao espaço" (in Portuguese). G1. Retrieved 17 May 2015.
  8. Tikami, A; Dos Santos, Walter A. (2015-08-18). "Re-Engineering a Picosatellite for a Langmuir Probe Payload". Cite journal requires |journal= (help)
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