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Türkiye’s Space and Satellite History

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SPACETRC / THE TURKISH SPACE INDUSTRY

Türkiye’s Space and Satellite History

From BİLSAT to İMECE, and from university CubeSats to future constellations: read the dates and missions separately.

SOURCE-LINKED RESEARCH · 23 OCTOBER 2026

A conceptual information graphic on Türkiye's satellite expertise and space systems
SpaceTRC · Original conceptual infographic; not a satellite photograph or scaled orbital map. Text records are provided in the dossiers.

Reading space history through more than launch counts

Türkiye’s satellite expertise developed through communications, Earth observation and experimental missions together. This dossier follows observation and small satellites; the commercial Türksat family is covered separately. Design, manufacture, launch and operations are different capabilities. Rocket lift-off, deployment from a station and commissioning may also have different dates.

2003: BİLSAT builds technology and expertise

Launched on 27 September 2003, BİLSAT was an Earth-observation project carried out by TÜBİTAK UZAY with the objective of technology transfer. Its gains extended beyond imagery: it also established infrastructure including a ground station, clean room and design and operations training. The ÇOBAN camera and GEZGİN image-processing board contributed spaceflight experience for domestic equipment. BİLSAT retired in August 2006. Although its pioneering historical role endures, it should not be added to today’s operational satellite list.

2011: RASAT and the image archive

Designed and manufactured in Türkiye, RASAT launched on 17 August 2011. It operated for approximately eleven years against a three-year design life, providing experience in long-term observation-technology operations. Camera data supported areas including mapping, agriculture, disaster monitoring and urban planning. The mission’s end does not remove the value of its image archive or the people it trained. TÜBİTAK UZAY gives the retirement date as 23 August 2022; the news item dated 28 August announced mission completion to the public.

GÖKTÜRK-2 and GÖKTÜRK-1: Different paths within the same family

Launched on 18 December 2012, GÖKTÜRK-2 brought TÜBİTAK UZAY and TUSAŞ’s development expertise into high-resolution observation. National design, production and testing strengthened personnel and systems-development infrastructure. GÖKTÜRK-1, launched on 5 December 2016, was a separate project involving an international division of work. Alongside TUSAŞ’s engineering and production contributions, acquiring the Satellite Assembly, Integration and Test Centre was important. Presenting GÖKTÜRK-1 as an entirely domestic design, or GÖKTÜRK-2 as the second satellite under the same contract, erases these differences.

2023: İMECE and sub-metre observation

İMECE was sent into space on 15 April 2023. Through sub-metre-resolution electro-optical observation capability developed in Türkiye, it built expertise in cameras and other subsystems as well as the satellite platform. TÜBİTAK’s statements from 2025 document operation in orbit and entry into the Air Force inventory. İMECE-2 and İMECE-3, by contrast, are new constellation projects under development. The announced years 2027 and 2028 should be read as the target schedule in that statement, not as completed flights.

CubeSats: Students encounter a real space system

ITUpSAT1, developed at ITU, launched on 23 September 2009; TURKSAT-3USAT, intended for amateur communications, launched on 26 April 2013. Students participated in design, testing and ground-station operations. USTTL’s environmental testing and integration infrastructure allowed systems engineering learned in class to become real mission responsibility. Small size does not mean an easy mission: power, communications, attitude and thermal balance must be solved within the same limited volume. The importance of university projects lies not only in satellite numbers but in the people who experience these processes.

Transport to a station and deployment into independent orbit

UBAKUSAT travelled to the International Space Station on a Dragon cargo flight on 2 April 2018. Deployment from the station into independent orbit took place on 11 May; ITU’s ground station confirmed communications and command exchange that day. Combining the initial rocket launch and the start of a satellite’s free flight into one date is misleading for such missions.

Grizu-263A: From Zonguldak to orbit

The pocket satellite of Zonguldak Bülent Ecevit University’s Grizu-263 team launched on Falcon 9 on 13 January 2022. The team reported separation and first signals approximately one hour later. The name Grizu-263 commemorates the 263 miners killed in the 1992 Kozlu mining disaster. This work turned the sustained efforts of a student community, advisers and supporters into a real orbital mission. A model-satellite competition and a pocket satellite in orbit are different achievements; each should be recognised within its own scope.

Not every mission remains operational

QB50’s HAVELSAT and BeEagleSat were small scientific satellite missions deployed from the station in 2017. ITU’s HAVELSAT summary dated 2026 records the mission period as 2017–2019. A launch announcement alone does not verify current functionality; the table distinguishes retired satellites and dated mission records.

TIMELINE / 29 MILESTONES

Every milestone tells part of an accumulated history.

Selected events; not an exhaustive inventory of all space history.

Showing 29 records.

1994

TÜRKİYE · 1994-08-11

Türksat 1B launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2003

TÜRKİYE · 2003-09-27

BİLSAT in space

Documented historical record

The technology-transfer project built Earth-observation and infrastructure expertise.

2006

TÜRKİYE · 2006-08

BİLSAT retired

Documented historical record

The pioneering mission ended.

2008

TÜRKİYE · 2008-06-13

Türksat 3A launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2011

TÜRKİYE · 2011-08-17

RASAT launched

Documented historical record

An Earth-observation satellite designed and manufactured in Türkiye.

2012

TÜRKİYE · 2012-12-18

GÖKTÜRK-2 launched

Documented historical record

The joint development expertise of TÜBİTAK UZAY and TUSAŞ reached orbit.

2014

TÜRKİYE · 2014-02-14

Türksat 4A launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2015

TÜRKİYE · 2015-10-16

Türksat 4B launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2016

TÜRKİYE · 2016-12-05

GÖKTÜRK-1 launched

Documented historical record

The optical observation mission was accompanied by acquisition of USET infrastructure.

2018

TÜRKİYE · 2018-04-02

UBAKUSAT transported to the ISS

Documented historical record

The journey began aboard Dragon CRS14 cargo.

2021

TÜRKİYE · 2021-01-08

Türksat 5A launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2021

TÜRKİYE · 2021-06-28

5A entered service

Documented historical record

The post-launch orbital transfer and testing stage was completed.

2021

TÜRKİYE · 2021-12-19

Türksat 5B launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2022

TÜRKİYE · 2022-06-14

5B entered service

Documented historical record

The high-data-capacity satellite began operations.

2022

TÜRKİYE · 2022-08-23

RASAT completed its mission

Documented historical record

Approximately eleven years of observation came to an end.

2023

TÜRKİYE · 2023-04-15

İMECE launched

Documented historical record

Domestic sub-metre electro-optical observation capability reached space.

2024

TÜRKİYE · 2024-07-09

Türksat 6A launch

Documented historical record

Sent into space; subsequent testing and service stages were tracked separately.

2024

TÜRKİYE · 2024-12-28

6A at its operational position

Documented historical record

It reached its final operational position at 42° East.

2025

TÜRKİYE · 2025-02-17

6A’s first test broadcast

Documented historical record

Broadcasting capability was tested in orbit.

2025

TÜRKİYE · 2025-04-21

6A entered service

Documented historical record

The official handover and commissioning ceremony took place.

Continue your research.

REFERENCES / OPEN RESEARCH

Follow the evidence.

  1. BİLSAT ↗TÜBİTAK UZAY
  2. RASAT ↗TÜBİTAK UZAY
  3. Our Domestic Observation Satellite RASAT Completes Its Mission! ↗TÜBİTAK · 2022-08-28
  4. GÖKTÜRK-2 ↗TUSAŞ
  5. TUSAŞ at SATELLITE 2017 with Satellite Design, Manufacturing, Integration and Test Capabilities ↗TUSAŞ · 2017
  6. İMECE ↗TÜBİTAK UZAY
  7. TÜBİTAK Celebrates World Space Week ↗TÜBİTAK · 2025-10-05
  8. The Second Satellite Built at ITU, TURKSAT-3USAT, Is in Space ↗Istanbul Technical University · 2013-07
  9. Space Systems Design and Test Laboratory ↗Istanbul Technical University
  10. UBAKUSAT, Our Country’s Satellite Sent into Space, Comes from ITU ↗ITU USTTL · 2018-05-10
  11. UBAKUSAT Is in Orbit! ↗ITU USTTL · 2018-05-14
  12. UBAKUSAT in Orbit ↗TAMSAT – Project Partner · 2018-05-11
  13. Grizu-263A Is in Space! ↗Zonguldak Bülent Ecevit University / Grizu-263 · 2022-01
  14. HAVELSAT: 2U CubeSat Developed with the Contribution of ITU-USTTL ↗Istanbul Technical University · 2026-05-16
  15. CubeSats in Türkiye – Alim Rüstem Aslan ↗ITU USTTL project lead / TUYAD workshop · 2023-12-14
  16. Satellite Communications 101 — Türksat Satellites, pp. 78–79 ↗Türksat · In the 2022-01 directory; the work’s date was not separately verified
  17. A Century of Science in the Republic — Our First Satellite, TÜRKSAT ↗TÜBİTAK Science and Technology · 2023 centenary content; directory publication date is not the work’s date
  18. Satellite History ↗Türksat
  19. Satellite Catalogue — End-of-Life Satellites ↗Türksat · Approximately 2018; publication details could not be separately verified
  20. Our Space History ↗Turkish Space Agency · Undated page; accessed 2026-10-23
  21. Satellite Fleet — End-Of-Life Satellites (previous version) ↗Türksat · Previous version in official search index; accessed 2026-10-23
  22. Channel Transfers to Türksat 4A Completed ↗Türksat · Announcement dated 2014-09-17; transfer overnight on 17–18 September
  23. Satellite Fleet ↗Türksat
  24. Türksat 3A — Technical Specifications ↗Türksat · Undated product page; accessed 2026-10-23
  25. Türksat 4A — Technical Specifications ↗Türksat · Undated product page; accessed 2026-10-23
  26. Türksat 4B — Technical Specifications ↗Türksat · Undated product page; accessed 2026-10-23
  27. Türksat 4B Successfully Launched ↗Türksat · Page published 19.12.2015; event dated 16.10.2015
  28. Türksat 5A Turns Three ↗Türksat · 2024-01-08
  29. Türksat 5A Commissioned by the President ↗Türksat · 2021-06-28
  30. TÜRKSAT 5A ↗Türksat
  31. TÜRKSAT 5B ↗Türksat
  32. Türksat Annual Report 2024 — Türksat 5B ↗Türksat · 2025-05
  33. Türksat 6A Launched into Space: First Signal Received ↗Türksat · 2024-07-09
  34. TÜRKSAT 6A Tests Completed and Trial Broadcasting Begins ↗TÜBİTAK · 2025-02-19
  35. Our First Domestic and National Communications Satellite, TÜRKSAT 6A, Officially Begins Its Mission ↗TÜBİTAK · 2025-04-21
  36. TÜRKSAT 6A Completes Its First Year in Space ↗TÜBİTAK · 2025-07-09

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