Persona (satellite)
| File:Persona Vs Human.gif
Artist's impression of a Persona satellite
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| Manufacturer | TsSKB Progress LOMO Vavilov State Optical Institute NPO Opteks |
|---|---|
| Country of origin | Russia |
| Operator | VKS (2008-2011) VKO (2011-) |
| Applications | Optical imaging |
| Specifications | |
| Design life | 3-5 years |
| Launch mass | 7,000 kilograms (15,000 lb) |
| Regime | Sun-synchronous |
| Dimensions | |
| Production | |
| Status | In production |
| Built | 3 |
| Launched | 3 |
| Operational | 2 |
| Failed | 1 |
| Maiden launch | Kosmos 2441 26 July 2008 |
| Related spacecraft | |
| Derived from | Yantar |
Persona is a class of Russian reconnaissance satellites, derived from the Resurs DK class of remote sensing satellite, in turn derived from the Soviet Yantar reconnaissance satellites. The satellites are built by TsSKB-Progress, and the optics by LOMO and the Vavilov State Optical Institute.
Contents
Satellite
The first satellite, identified as Kosmos 2441, was launched into a 750 km sun synchronous orbit on 26 July 2008, atop a Soyuz-2.1b carrier rocket from LC-43/4 at the Plesetsk Cosmodrome[1] It reportedly failed to return useful imagery due to an electrical malfunction.[2]
A second satellite, Kosmos 2486, was launched on 7 June 2013[3] and after some initial technical problems, it was apparently operational in Summer 2014.[4]
The third satellite, Kosmos 2506, was successfully launched on June 23rd, 2015. [5]
Details
The satellites had a mass of 6,500 kilograms (14,300 lb), are 7 metres (23 ft) long, and 2.7 metres (8.9 ft) in diameter.[citation needed]
The satellites optical subsystems are believed to be based on a 3-mirror Korsch type telescope with a primary mirror diameter of 1.5 metres (4.9 ft) and focal length of 20 metres (66 ft).[6]
The CCD sensor is probably ELCT1080v1U[citation needed] with a pixel size of 9 µm.[7] The CCD is produced by ELAR, previously known as ELECTRON-OPTRONIC.[8][not in citation given] The focal plane unit is manufactured by NPO Opteks.
The satellites had a nadir image resolution of 33 centimetres (13 in), using panchromatic imagery. They are planned to operate for seven years.[citation needed]
References
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- ↑ Разработки и производство ФПЗС и цифровых камер на их основе. // Интернет-журнал "ТелеФото Техника", 01.11.2008 (russian): "Тип ФПЗС ELCT1080v1U ... Размеры элемента, µм 9х9"
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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