Satélite Tecnológico

The Satélite Tecnológico ("Technologic Satellite" in English) or SATEC, was a microsatellite of scientific applications, designed, developed, built and tested by Brazilian technicians, engineers and scientists working at INPE (National Institute for Space Research).

SATEC
Mission typeEarth orbiter
OperatorINPE
COSPAR IDF20030822A[1]
Mission duration6 months (planned)
Spacecraft properties
ManufacturerINPE
Launch mass65.0 kilograms (143.3 lb)
Start of mission
Launch dateAugust 25, 2003 (2003-08-25Z) (planned)
August 23, 2003, 16:30 UTC (Alcântara accident)
RocketVLS-1 V3
Launch siteAlcântara VLS Pad
Orbital parameters
Reference systemGeocentric
RegimeHeliosynchronous
Eccentricity0
Perigee altitude750 kilometres (470 mi)
Apogee altitude750 kilometres (470 mi)
Inclination15°
Period100 minutes
EpochPlanned
 

Features

The primary objective of SATEC was to test the technological equipment embedded in the VLS-1, providing more information for future applications.

The SATEC scientific satellite had the following characteristics:

  • Format: parallelepiped with 61 cm x 66 cm x 66 cm
  • Mass: 65 kilograms (143 lb)
  • Orbit: Heliosynchronous
  • Stabilization: By rotation at 120 rpm
  • Precision: 1 degree
  • Altitude: 750 kilometers

Payload

The instrumentation shipped in SATEC was as follows:

  • Solar generator: Silicon cells generating 20 W
  • Battery: Type NiCd – 5 Ah
  • PCU: with linear series technology
  • GPS receiver: adapted to the conditions of flight
  • Transmitter: S-band with BPSK modulation

Mission

SATEC, which had an estimated life of 6 months, was lost with UNOSAT in the explosion of the VLS-1 launch vehicle on 23 August 2003 in an explosion three days before the launch date.[2][3] This event came to be known as Accident of Alcantara.

References
  1. Wade, Mark. SATEC. Encyclopedia Astronautica. Retrieved 31 March 2017.
  2. "UNOSAT 1". space.skyrocket.de. Retrieved 2020-06-04.
  3. "SATEC". space.skyrocket.de. Retrieved 2020-06-04.
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