Embratel Star One is a Brazilian communication satellite company. It is a subsidiary of

Embratel Embratel is a major Brazilian telecommunications company headquartered in Rio de Janeiro. The company was the long distance arm of Telebras until it was bought by the U.S. company MCI Communications for 2.65 billion reais during the 1998 bre ...

History

Embratel Star One was created in December 2000, as an arm of

in the area of operation and administration of satellites.

Satellite fleet

Embratel Star One own a small fleet of satellites. *

Star One C1 Star One C1 is a Brazilian communications satellite. It was launched on 14 November 2007 by an Ariane 5ECA carrier rocket, as part of a dual-payload launch with Skynet 5B. It was built by Thales Alenia Space, based on the Spacebus-3000B3 satell ...

was launched atop an

Ariane 5 ECA Ariane 5 is a retired European Heavy-lift launch vehicle, heavy-lift space launch vehicle operated by Arianespace for the European Space Agency (ESA). It was launched from the Guiana Space Centre (CSG) in French Guiana. It was used to deliver p ...

rocket at 22:06

UTC Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...

on 14 November 2007. This launch had previously been delayed from 9 November 2007 due to a problem with the

launch vehicle A launch vehicle is typically a rocket-powered vehicle designed to carry a payload (a crewed spacecraft or satellites) from Earth's surface or lower atmosphere to outer space. The most common form is the ballistic missile-shaped multistage ...

, and then from 12 November 2007 due to a problem with the launch pad. Star One C1 was built by

Alcatel Alenia Space Thales Alenia Space () is a joint venture between the French technology corporation Thales Group (67%) and Italian defense conglomerate Leonardo (33%). The company is headquartered in Cannes, France. It provides space-based systems, including ...

based on a Spacebus 3000 B3

satellite bus A satellite bus (or spacecraft bus) is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held. Bus-derived satellites are less customized than specially-produced satelli ...

. It has 28

C-band C band may refer to: * C band (IEEE), a radio frequency band from 4 to 8 GHz * C band (infrared), an infrared band from 1530 to 1565 nm (roughly 200 THz) * C band (NATO) The NATO C-band is the obsolete designation given to the radio frequen ...

transponders In telecommunications, a transponder is a device that, upon receiving a signal, emits a different signal in response. The term is a blend of ''transmitter'' and ''responder''. In air navigation or radio frequency identification, a flight trans ...

, 16

Ku-band The Ku band () is the portion of the electromagnetic spectrum in the microwave range of frequencies from 12 to 18 gigahertz (GHz). The symbol is short for "K-under" (originally ), because it is the lower part of the original NATO K band ...

transponders and one

X-band The X band is the designation for a band of frequency, frequencies in the microwave radio region of the electromagnetic spectrum. In some cases, such as in communication engineering, the frequency range of the X band is set at approximately 7.0� ...

transponder, and weighed about at launch. *

Star One C2 Star One C2 is a Brazilian communications satellite. It was launched on 18 April 2008 22:17 UTC by an Ariane 5ECA carrier rocket, as part of a dual-payload launch with Vinasat-1. It was built by Thales Alenia Space, based on the Spacebus-3000B3 ...

, the second spacecraft, was launched at 22:17 UTC on 18 April 2008, also aboard an Ariane 5 ECA. *

Star One C3 Star One C3 is a communications satellite operated by Star One, a subsidiary of Embratel. It was built by Orbital Sciences Corporation based on the STAR-2 satellite bus, and was launched on 10 November 2012 21:05 UTC by an Ariane 5ECA carrier r ...

, the third spacecraft, was launched at 22:05 UTC on 10 November 2012, also aboard an Ariane 5 ECA.

Satellites

References

External links

Arianespace

{{Authority control Telecommunications companies of Brazil Aerospace companies of Brazil Brazilian brands Companies based in Rio de Janeiro (city) Telecommunications companies established in 2000 2000 establishments in Brazil *