|Mission duration||15 years (planned)|
10 months, 26 days (in progress)
|Manufacturer||ISS Reshetnev (bus)|
Thales Alenia Space (payload)
|Launch mass||2,150 kg (4,740 lb)|
|Start of mission|
|Launch date||13 December 2021, 12:07 UTC|
|Rocket||Proton-M / Briz-M|
|Launch site||Baikonur, Site 200/39|
|Contractor||Khrunichev State Research and Production Space Center|
|Entered service||4 May 2022|
|Reference system||Geocentric orbit|
Ekspress-AMU3 (Russian: Экспресс-АМU3, meaning Express-AMU3) is a Russian domestic communications satellite. It belongs to the Russian Satellite Communications Company (RSCC) based in Moscow, Russia. To provide of communications services (digital television, telephony, videoconferencing, data transmission, the Internet access, presidential and governmental mobile communications) and to deploy satellite networks by applying VSAT technology to Russia. Replacement for Ekspress-AM3.
The satellite has 7 C-band transponders and 2 L-band transponders, while the architecture for the Ku-band is reconfigurable allowing either 8 or 22 active transponders. The Ekspress-AMU3 Russian domestic communications satellite, built by Information Satellite Systems Reshetnev (ISS Reshetnev) for Kosmicheskaya Svyaz. The communications payload was built by the French company Thales Alenia Space, in Italy.
Ekspress-AMU3 was launched on a Proton-M / Briz-M launch vehicle on 13 December 2021, at 12:07 UTC, from Site 200/39 at Baikonur Cosmodrome, Kazakhstan.
Ekspress-AMU3 was launched with Ekspress-AMU7.