Ekspress_AT1
Ekspress-AT1
Russian communications satellite
Ekspress-AT1 (Russian: Экспресс-АT1) is a Russian Direct-To-Home broadcasting satellite which was launched on 15 March 2014. Part of the Ekspress series of geostationary communications satellites, it is owned and operated by the Russian Satellite Communications Company (RSCC).
| Names | Экспресс-АT1 Express-AT1 |
|---|---|
| Mission type | Communications |
| Operator | Russian Satellite Communications Company (RSCC) |
| COSPAR ID | 2014-010A  |
| SATCAT no. | 39612 |
| Website | eng |
| Mission duration | 15 years (planned) 10 years and 1 month (in progress) |
| Spacecraft properties | |
| Spacecraft | Ekspress-AT1 |
| Spacecraft type | Ekspress |
| Bus | Ekspress-1000H[1] |
| Manufacturer | ISS Reshetnev |
| Launch mass | 1,726 kg (3,805 lb) [1] |
| Power | 5.880 kW[1] |
| Start of mission | |
| Launch date | 15 March 2014, 23:08:00 UTC |
| Rocket | Proton-M / Briz-M |
| Launch site | Baikonur, Site 81/24 |
| Contractor | Khrunichev State Research and Production Space Center |
| Entered service | 22 April 2014 [1] |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Geostationary orbit |
| Longitude | 56° East (2014–present) |
| Transponders | |
| Band | 32 Ku-band |
| Coverage area | Russia, Siberia, Kazakhstan |
It is based on the Ekspress-1000H satellite bus manufactured by ISS Reshetnev. Its mass at launch is 1,726 kg (3,805 lb), and the power allocated to the payload is about 5.880 kW. The satellite carries 32 Ku-band transponders, providing satellite television to Western and Central Russia, as well as Western and Central Siberia, and almost all of Kazakhstan. The planned service life of the satellite is at least 15 years.[3][4]
It was launched, with Ekspress-AT2 communications satellite, on 15 March 2014 at 23:08:00 UTC, from Baikonur Cosmodrome at Site 81/24 in the framework of Russian Federal Space Program for 2006–2015, approved by the Government Decree No. 635 signed on 22 October 2005 by Prime Minister Mikhail Fradkov.
Express-AT1 was launched into orbit on 15 March 2014. The commercial operation of the satellite started on 22 April 2014.[1]
- "Satellite Ekspress-AT1". RSCC. Retrieved 23 April 2021.
- "Express-AT1". N2YO.com. Retrieved 22 April 2021.
- Chris Bergin (15 March 2014). "Proton-M successfully lofts Express-AT satellite duo". NASASpaceFlight.com. Retrieved 23 April 2021.
- ""Триколор ТВ" в ожидании апреля". comnews.ru. 21 March 2014. Retrieved 22 March 2014.
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