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UPM-Sat 1

COSPAR ID	1995-033C
SATCAT no.	1995-033C
Mission duration	213 days
Spacecraft properties
Manufacturer	Technical University of Madrid
Launch mass	47 kilograms (104 lb)
Start of mission
Launch date	July 7, 1995 (1995-07-07)
Rocket	Ariane IV-40
Launch site	Guiana Space Centre
Orbital parameters
Reference system	Geocentric
Regime	Sun-synchronous polar orbit
Perigee altitude	670 kilometres (420 mi)
Apogee altitude	670 kilometres (420 mi)
Inclination	98.1 degrees
Period	98 minutes

UPM-Sat 2

COSPAR ID	1995-033C
SATCAT no.	2020-061E
Mission duration	2 years (expected)
Spacecraft properties
Manufacturer	Technical University of Madrid
Launch mass	45 kilograms (99 lb)
Start of mission
Launch date	September 3, 2020 (2020-09-03)
Rocket	Vega
Launch site	Guiana Space Centre
Orbital parameters
Reference system	Geocentric
Regime	Sun-synchronous polar orbit
Perigee altitude	600 kilometres (370 mi)
Apogee altitude	600 kilometres (370 mi)

UPM-Sat is a series of Spanish microsatellites developed by the Technical University of Madrid (UPM), in collaboration with the Instituto Nacional de Técnica Aeroespacial (INTA), for educational, scientific and technological purposes.

UPM-Sat 1

The UPM-Sat 1, also called UPM/LB-Sat, was launched on July 7, 1995, from French Guiana on the flight V75 of the Ariane IV-40 launcher. It weighed 47 kg. It had an operational life in orbit of 213 days, with a Sun-synchronous polar orbit at an altitude of 670 kilometers, completing one revolution around the Earth every 98 minutes.

UPM-Sat 2

The UPM-Sat 2 project aimed to develop a satellite with a mass less than 50 kg and overall dimensions less than 0.5 m x 0.5 m x 0.6 m. The UPM-Sat 2 satellite, also called M.A.T.I.A.S., was originally scheduled to launch in 1999. It was finally launched on September 3, 2020, on the flight VV16 of the Vega rocket.

References

1. "Programa de satélites UPM-Sat". Instituto Universitario de Microgravedad “Ignacio Da Riva” (in Spanish).
2. "UPM-Sat 1". Gunter's Space Page.
3. Wade, Mark. "LBSAT". Archived from the original on December 27, 2016. Retrieved 8 April 2009.
4. José Meseguer Ruiz y Angel Sanz Andrés (1998). "Informes a la Academia de Ingeniería. El satélite UPM-Sat 1" (PDF) (in Spanish). Archived from the original (PDF) on 6 September 2011. Retrieved 6 November 2011.
5. "UPM-Sat 2". Gunter's Space Page.

External links

• UPM-Sat 1, official website of the Technical University of Madrid.
• UPM-Sat 2, official website of the Technical University of Madrid.

• Spaceflight

• Technical University of Madrid
• Instituto Nacional de Técnica Aeroespacial
• Satellites of Spain
• Communications satellites
• Spacecraft launched in 1995
• Spacecraft launched in 2020