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| Ekspress - 9,142 bytes. 253 x 266 pixels. |
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Article Number: 11F639. Class: Communications. Nation: USSR. Manufacturer: NPO PM. Communications satellite - geosynchronous. Ekspress will gradually replace Gorizont series.
SpecificationDesign Life: 7 years. Total Mass: 2,500 kg.
Ekspress Chronology
13 October 1994
Ekspress Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861-01. Mass: 2,500 kg. Perigee: 35,776 km. Apogee: 35,794 km. Inclination: 0.1 deg. First launch of new Ekspress communications satellite. Replaces Gorizont series. Stationed at 14.00W
26 September 1996
Ekspress No. 12 Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861-01. Mass: 2,500 kg. Perigee: 35,778 km. Apogee: 35,794 km. Inclination: 0.1 deg. Stationed at 80.0 deg E.
27 October 1999
Ekspress-A1 Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861. FAILURE: Failed early in second-stage burn. Communications satellite; failed to reach orbit.
12 March 2000
Ekspress 6A Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861-01. Perigee: 35,776 km. Apogee: 35,798 km. Inclination: 0.0 deg. GO Kosmicheskaya Svyaz geosynchronous communications satellite, to be assigned to the Ekspress 6A slot at 80E. Replaced the first Ekspress A, lost in a launch failure in 1999. Russian satellite bus with a ommunications payload from Alcatel France. Stationed at 80 deg E.
17 April 2000
Sesat Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861-01. Perigee: 35,772 km. Apogee: 35,800 km. Inclination: 0.0 deg. Sesat (Siberia-Europe Satellite) used an MSS-2500-GSO (Gals/Ekspress) satellite bus built by NPO PM of Krasnoyarsk, with an Alcatel Espace France payload of 18 Ku-band transponders. The satellite had 8 Fakel SPD-100 plasma thrusters for stationkeeping. Eutelsat operated their Hot Bird fleet of European television broadcast satellites since the 1980's, but the venture into broadcasting to Siberia represented a new step for them. Stationed at 36 deg E.
 | Ekspress Credit: Dmitry Pieson. 19,849 bytes. 600 x 374 pixels. |
24 June 2000
Ekspress A No. 3 Launch Site: Baikonur . Launch Vehicle: Proton 8K82K / 11S861-01. Perigee: 35,766 km. Apogee: 35,807 km. Inclination: 0.1 deg. Geosynchronous communications satellite. Stationed at 11 deg W.
Bibliography:- 4 - McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. HTML when accessed: ftp://sao-ftp.harvard.edu/pub/jcm/space/news
- 67 - Kaesmann, Ferdinand, et. al., Journal of the British Interplanetary Society, "Proton - Development of A Russian Launch Vehicle", 1998, Volume 51, page 3.
- 102 - Voevodin, Sergey A, VSA072 - Space Apparatus, "Sergey A. Voevodin's Reports", . HTML when accessed: http://www.mcs.net/~rusaerog/sergeyv/VSA.html
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Last update 12 March 2001.
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