| Ekspress-AMU3 | |
| Names List: | Экспресс-АМU3 Ekspress-AMU3 Express-AMU3 |
| Mission Type: | Communications |
| Operator: | RSCC |
| Cospar Id: | 2021-123A |
| Satcat: | 50001 |
| Website: | https://eng.rscc.ru/ |
| Mission Duration: | 15 years (planned) (in progress) |
| Spacecraft: | Ekspress-AMU3 |
| Spacecraft Type: | Ekspress |
| Spacecraft Bus: | Ekspress-1000N |
| Manufacturer: | ISS Reshetnev (bus) Thales Alenia Space (payload) |
| Launch Date: | 13 December 2021, 12:07 UTC |
| Launch Rocket: | Proton-M / Briz-M |
| Launch Site: | Baikonur, Site 200/39 |
| Launch Contractor: | Khrunichev State Research and Production Space Center |
| Entered Service: | 4 May 2022 |
| Orbit Reference: | Geocentric orbit[1] |
| Orbit Regime: | Geostationary orbit |
| Orbit Longitude: | 103° East |
| Apsis: | gee |
| Trans Band: | 17-31 transponders: 7 C-band 8-22 Ku-band 2 L-band |
| Trans Coverage: | Russia |
| Programme: | Ekspress constellation |
| Previous Mission: | Ekspress-80 |
| Next Mission: | Ekspress-AMU7 |
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.[2]
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.[3] 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.[4]
Ekspress-AMU3 was launched with Ekspress-AMU7.