Ekspress-AMU3

Names	Экспресс-АМU3 Ekspress-AMU3 Express-AMU3
Mission type	Communications
Operator	RSCC
COSPAR ID	2021-123A
SATCAT no.	50001
Website	https://eng.rscc.ru/
Mission duration	15 years (planned) 3 years, 1 month, 23 days (in progress)
Spacecraft properties
Spacecraft	Ekspress-AMU3
Spacecraft type	Ekspress
Bus	Ekspress-1000N
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
Orbital parameters
Reference system	Geocentric orbit[1]
Regime	Geostationary orbit
Longitude	103° East
Transponders
Band	17-31 transponders: 7 C-band 8-22 Ku-band 2 L-band
Coverage area	Russia
Ekspress constellation ← Ekspress-80 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.

• Ekspress-AMU7