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Sirius is a binary star consisting of a main-sequence star of spectral type A0 or A1, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B. The distance between the two varies between 8.2 and 31.5 astronomical units as they orbit every 50 years.
Sirius 3 was stationed at 51.2° East at the end if its lifetime in an inclined orbit Sirius 3 was leased to SES immediately after its launch on 5 October 1998 for a period of 12 months (after which it was moved to its original destination of 5.0° East) to provide capacity at 28.2° East and to back up Astra 2A , pending the launch of Astra 2B ...
Astra 5A was one of the Astra communications satellites owned and operated by SES at the Astra 31.5°E.Launched in 1997 to the 5° East position by NSAB (Nordiska Satelit AB) (later SES Sirius, and now a non-autonomous part of SES) as Sirius 2, operation of the satellite was transferred to SES in April 2008 and the craft renamed and moved to 31.5° East to open up a new orbital position for ...
The well-known binary star Sirius, seen here in a Hubble photograph from 2005, with Sirius A in the center, and white dwarf, Sirius B, to the left bottom from it. A binary star or binary star system is a system of two stars that are gravitationally bound to and in orbit around each other.
[122] [123] XM-5 serves as the in-orbit spare for the entire system and can function in place of either a Sirius or XM satellite. In late 2016, SiriusXM placed an order for two new satellites SXM-7 and SXM-8 which were intended to replace XM-3 and XM-4 and have the capability to deliver either Sirius or XM content to radio receivers.
Sirius FM-3, also known as Radiosat 3, was an American communications satellite which was operated by Sirius XM Radio, previously Sirius Satellite Radio. It was constructed by Space Systems Loral and was based on the LS-1300 satellite bus. Launch occurred on 30 November 2000, at 19:59 GMT.
The target for this project is to co-operate in space technology development between Vietnam and Japan. It is also the first Vietnamese satellite to launch successfully to space. Before the launch of PicoDragon, there had been 4 satellites launched into orbit: VNREDSat 1A, F-1, Vinasat-1 and Vinasat-2 although F-1 failed upon its launch.
The World Teleport Association publishes lists of companies based on revenues from all customized communications sources and includes operators of teleports and satellite fleets.