| Manufacturer | RSC Energia |
|---|---|
| Country of origin | Russia |
| Applications | Communications, |
| Specifications | |
| Spacecraft type | LEO to GEO universal platform |
| Dry mass | 950 kg (2,090 lb) to 1,200 kg (2,600 lb) |
| Payload capacity | HEO: 500 kg (1,100 lb) to 1,000 kg (2,200 lb) GEO 250 kg (550 lb) to 300 kg (660 lb) |
| Power | HEO up to 3000W GEO up to 2000W |
| Batteries | NiH2 |
| Regime | LEO, HEO and GEO |
| Design life | HEO >= 7 years GEO >=12.5 years |
| Production | |
| Status | In Production |
| On order | 12 |
| Built | 7 |
| Launched | 7 |
| Operational | 3 |
| Retired | 1 |
| Failed | 2 |
| Lost | 1 |
| Maiden launch | September 06, 1999, Yamal 101 and Yamal 102 |
| Last launch | Dec 26, 2017, Angosat 1 |
The USP, for Universal Space Platform (‹See Tfd›Russian: Универсальная Космическая Платформа, romanized: Universal'naya Kosmicheskaya Platforma; ‹See Tfd›Russian: УКП, romanized: UKP), also known as Viktoria (Виктория), is a highly flexible satellite bus designed and manufactured by RSC Energia.[1][2][3][4][5][6] It is called universal because it has been designed to be operated from LEO to GEO.[1] It is a three axis stabilized platform with electric propulsion for station keeping, but chemical propellant is offered as an option.[1] The bus can offer up to 3000 W of power and a payload capacity up to 1,000 kg (2,200 lb) for Low Earth orbit or HEO an up to 300 kg (660 lb) for geostationary orbit.[1]
The platform is designed for direct orbital injection, and thus lacks orbit raising propulsion.[3] It does however, support dual launching on Proton-M, which can enable cheap launching, or the use of smaller vehicles like the Soyuz-2.1b/Fregat-M or even the Dnepr for low energy orbits.[1]
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