Sfera (satellite constellation)

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Sfera is a telecommunication project of the Russian Federation aiming to create and operate a satellite group maintaining communication to various terrestrial objects. [1] The project is supported by the corresponding Federal Targeted Program and is proposed until 2030.

Contents

The initial plan proposed 640 satellites by 2030 and supported terrestrial and aerial autonomous users.

History

Sfera inherited to an earlier global satellite program Efir, [2] [3] [4] also known as Global Multifuctional Infocommunication Satellite System (Russian "Глобальная многофункциональная инфокоммуникационная спутниковая система", ГМИСС), [5] aimed at competing with foreign OneWeb and Starlink. [6] The new development was included in the federal program “Digital Economy” in 2017, extending until 2024 and was announced on the “Direct Line with Vladimir Putin” in 2018. [7]

The launches of 640 satellites were planned [8] for 2022-2028 (6 years), and the system would integrate a few pre-existing projects: navigational GLONASS, TV transmitting Express, personal communications Gonets, and several new ones: comunicational Express-RV, IoT data-transmitting Marafon, TV-transmitting Luch, mid-orbital broadband internet Skif and telecomminicational Efir.

On October 25, 2021 Dmitry Rigozin, then head of Roskosmos, announced that the 640 satellites were to form five groups for telecom (satellite series Yamal, Express-RV, Express, Skif, Marafon IoT) and five groups for monitoring in various specters (Smotr, Berkut-O, Berkut-S, Berkut-VD, Berkut-X,L,P), while the latter to be able to radioscan the Arctic first and foremost. [9]

The first satellite launched was Skif-D on October 23, 2022, which was in fact a test vehicle to explore the technical possibilities and do radiation analysis as well as start the specter utilization (protection) for the future. [10] [11] This satellite was produced and tested in August, 2022. [12]

Apart from monitoring and telecom, the Sfera satellites are to be providing broadband access to internet and IoT connectivity for over 50 mln devices while simultaneously supporting the presidential, governmental and industrial lines of communication.

Constellation

In April, 2022 the government-confirmed project of Sfera included 162 satellites with expeditures of 180 bn rubles (€2,5 bn).

Telecom satellites

Skif-D is the first launched satellite of the lot, providing demo broadband access:

Skif

12 satellites [14] for broadband access, circular medium orbit at 8070 km, [15] with mass over 1 metric ton. Further runs of the satellites will have phased array antennas, permitting for many times the throughput. Service time projected is 12 years. [16]

Marafon-IoT

264 satellites [17] for internet of things, at the 750 km orbit in 12 planes, launched in packs of 22-44. [18] Service time up to 5 years, with prompt replacement following, production cost 35 mln rubles (2022). 264 was the proposed number for the initial total constellation size of 380 satellites. [19]

Yamal

2 confirmed satellites until 2030, at geosynchronous orbit (36K km). Yamal-501 are to be produced at Gazprom SPKA (itself being under construction) in 2024, [20] Yamal-502 in 2025. 6 more planned for beyond 2030. [21]

Express

7 satellites for digital TV broadcasting, geosynchronous orbit (36K km).

Express-RV

4 satellites for Arctic communications and internet access, 39300/1000 km highly elliptical orbit.

Optical and optical-electronic imaging, hi-res optical-electronic imaging, radar monitoring

Smotr

3 satellites until 2030. Smtr-V to be produced at Gazprom SPKA plant (itself being under construction) before 2024. Six in total until 2035. [22]  

Berkut-O

40 satellites for overview optical monitoring (with resolution 2–5 m/px), 600 km orbit, 40–50 km field of view. [23]

Berkut-VD

28 satellites of high-detail optical scanning (0.4–1 m/px resolution), 500 km orbit, 10-km field of view.

Berkut-X, Berkut-XLP

12 satellites of radar scanning of the surface, 700 km orbit.

Berkut-C

16 satellites for overview surface inspection at medium resolution, 700 km orbit (with the initial 380 size of the constellation). [19]

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References

  1. ↑ "Всех накрыло "Сферой"". www.comnews.ru (in Russian). Retrieved 2022-11-18.
  2. ↑ ""Сфера" получила "Эфир" и бюджет". www.kommersant.ru (in Russian). 2018-07-18. Retrieved 2022-11-18.
  3. ↑ ""Дочка" "Роскосмоса" представила спутниковую систему "Эфир" за ₽299 млрд". РБК (in Russian). Retrieved 2022-11-18.
  4. ↑ "Проект "Роскосмоса" по всемирному доступу в интернет назовут "Эфир" - РИА Новости, 22.05.2018". 2018-05-22. Archived from the original on 2018-05-22. Retrieved 2022-11-18.
  5. ↑ "Оцифрованные миллиарды". www.kommersant.ru (in Russian). 2018-01-10. Retrieved 2022-11-18.
  6. ↑ "Вести Экономика ― "Роскосмос" создаст конкурента OneWeb Satellites". 2018-05-23. Archived from the original on 2018-05-23. Retrieved 2022-11-18.
  7. ↑ "Прямая линия с Владимиром Путиным • Президент России". 2018-06-10. Archived from the original on 2018-06-10. Retrieved 2022-11-18.
  8. ↑ "«Сфера» получила «Эфир» и бюджет – Газета Коммерсантъ № 126 (6364) от 19.07.2018". 2022-03-14. Archived from the original on 2022-03-14. Retrieved 2022-11-18.
  9. ↑ "Рогозин сообщил, что "Сфера" будет включать пять спутниковых группировок для телекома - Космос - ТАСС". 2021-10-25. Archived from the original on 2021-10-25. Retrieved 2022-11-18.
  10. ↑ (PDF) https://www.roscosmos.ru/media/pdf/22-10-press-kit.pdf.{{cite news}}: Missing or empty |title= (help)
  11. ↑ https://www.roscosmos.ru/38390/.{{cite web}}: Missing or empty |title= (help)
  12. ↑ "Началась сборка первого спутника глобальной российской системы "Сфера"". 2022-08-01. Archived from the original on 2022-08-01. Retrieved 2022-11-18.
  13. ↑ "Главное. Начались сборка и испытания первого спутника проекта "Сфера" - Новости - Госкорпорация "Роскосмос"". 2022-08-08. Archived from the original on 2022-08-08. Retrieved 2022-11-18.
  14. ↑ "Гендиректор ИСС Решетнева: мы разрабатываем пять спутниковых группировок для "Сферы" - Интервью ТАСС". TACC. Retrieved 2022-11-18.
  15. ↑ "Компания "ИСС" изготовит новый спутник связи". 2022-01-18. Archived from the original on 2022-01-18. Retrieved 2022-11-18.
  16. ↑ "Производитель сообщил, что группировка "Марафон" будет обновляться раз в пять лет". TACC. Retrieved 2022-11-18.
  17. ↑ "Более 130 спутников для интернета вещей "Марафон" запустят в 2025 году". TACC. Retrieved 2022-11-18.
  18. ↑ ""Никто не знает бизнес-модель Starlink и OneWeb": зачем нужна спутниковая группировка "Сфера" - Газета.Ru". 2022-05-31. Archived from the original on 2022-05-31. Retrieved 2022-11-18.
  19. 1 2 Новости, Р. И. А. (2022-05-29). "В "Роскосмосе" назвали сумму, необходимую для реализации проекта "Сфера"". РИА Новости (in Russian). Retrieved 2022-11-18.
  20. ↑ "Газпром космические системы / Новости / Больше, чем просто оператор спутниковой связи". www.gazprom-spacesystems.ru. Retrieved 2022-11-18.
  21. ↑ "Шесть спутников "Смотр" и 8 аппаратов "Ямал" планируется запустить в космос к 2035 году - гендиректор "Газпром Космические Системы" -". www.militarynews.ru. Retrieved 2022-11-18.
  22. ↑ "Шесть спутников "Смотр" и 8 аппаратов "Ямал" планируется запустить в космос к 2035 году - гендиректор "Газпром Космические Системы" -". www.militarynews.ru. Retrieved 2022-11-18.
  23. ↑ https://dzen.ru/video/watch/633a8181ba8fd136608023a6.{{cite web}}: Missing or empty |title= (help)
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