Ekspress-A1R

Ekspress-A4

Ekspress-A4

Russian communications satellite

Ekspress-A4 (Russian: Экспресс-A4 meaning Express-A4), is a Russian communications satellite which is operated by Russian Satellite Communications Company (RSCC). It was constructed by NPO PM and Alcatel Space and is based on the MSS-2500-GSO satellite bus.

Quick Facts Names, Mission type ...

Satellite

The launch was contracted by Khrunichev State Research and Production Space Center, and used a Proton-K / Blok DM-2M launch vehicle flying from Site 200/39 at the Baikonur Cosmodrome.[1]

Launch

Ekspress-A4 is a Russian geosynchronous communications spacecraft that was launched on 10 June 2002 from Baikonur by a Proton-K launch vehicle at 01:14:00 UTC.[2] The 2,600 kg (5,700 lb) spacecraft carries 12 transponders in C-band and five in Ku-band to provide voice, data, and video communications in Russia.[3]

Mission

It is part of the Ekspress network of satellites. Following its launch and on-orbit testing, it was placed in geostationary orbit at 40° West, from where it provides communications services to Russia.[4] It is equipped with seventeen transponders. In January 2020, the satellite was retired and moved to a graveyard orbit above the geostationary orbit.

References

  1. [1]
    Krebs, Gunter (19 May 2020). "Ekspress-A1, -A2, -A3". Gunter's Space Page. Retrieved 22 April 2021.
  2. [2]
    "Issue 481". Jonathan's Space Report. 13 June 2002. Retrieved 22 April 2021.
  3. [3]
    "Express-4A". Satellite News Digest. 23 January 2020. Retrieved 22 April 2021.
  4. [4]
    "Express A1R". LyngSat. Archived from the original on 30 April 2009. Retrieved 22 April 2021.
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