Engineering:CAS500

From HandWiki

CAS500 (Compact Advanced Satellite 500) is a series of Earth observation satellites developed by the Korea Aerospace Research Institute (KARI).[1][2]

Satellites

Launch of CAS500-1
Launch of CAS500-4

CAS500-1, (Korean: 국토위성 1호, ), is a prototype 500-kilogram (1,100 lb) class Earth observation satellite that was launched by South Korea at the Baikonur Cosmodrome on 22 March 2021.[3][4][5][6] It is in a 500-kilometre (310 mi) Sun-synchronous orbit, inclined by 97.7 degrees or 15 orbits/day.

CAS500-2 was expected to launch in 2022 also on a Russian rocket, but the launch was cancelled after the Russian invasion of Ukraine.[7][8][1][9] The satellite was rescheduled to launch together with CAS500-4 on a SpaceX Falcon 9 rocket[10][11][12] and later moved to another Falcon 9 flight which launched on 3 May 2026 at 7:00 UTC.[13][14][15]

CAS500-3 was launched on 26 November 2025 on the South Korean launch vehicle Nuri.[16][17] CAS500-3 is not an Earth-observation satellite and instead carries three science instruments: a wide-field camera for observing auroras, a plasma and magnetic field monitoring instrument, and a medical 3D bioprinter.[18]

CAS500-4, carrying a wide-area Earth-observation camera, was launched on the Transporter-17 flight of Falcon 9 on 7 July 2026.[19][20][21]

References

  1. ↑ 1.0 1.1 "CAS500 1, 2" (in en). https://space.skyrocket.de/doc_sdat/cas500-1.htm. 
  2. ↑ "CAS500 (Compact Advanced Satellite 500) - eoPortal" (in en). https://www.eoportal.org/satellite-missions/cas500. 
  3. ↑ "Compact Advanced Satellite 500". https://www.kari.re.kr/eng/sub03_03_03.do. 
  4. ↑ "With CAS500, South Korea launches journey toward private-led satellite development". 23 March 2021. https://spacenews.com/with-cas500-south-korea-launches-journey-toward-private-led-satellite-development/. 
  5. ↑ Park, Si-soo. "With CAS500, South Korea launches journey toward private-led satellite development". https://spacenews.com/with-cas500-south-korea-launches-journey-toward-private-led-satellite-development/. 
  6. ↑ "Soyuz launches commercial satellite cluster". https://www.russianspaceweb.com/cas500-1.html. 
  7. ↑ "Canceled Russian Rocket Launches for Korean Satellites Spark Controversy, with Critics Warning of 'Disadvantage' in Contract Disclosure". 2022-09-30. https://m.dongascience.com/en/news/56487. 
  8. ↑ Si-soo, Park (2022-03-02). "Russian sanctions throw South Korean satellite missions into uncertainty" (in en-US). SpaceNews. https://spacenews.com/russian-sanctions-throw-south-korean-satellite-missions-into-uncertainty/. 
  9. ↑ "Launch of Space Weather Satellite 'Doyosat' Unlikely This Year; Arirang 6, CAS500-2 Also Face 'Uncertain' Future". 2022-05-02. https://m.dongascience.com/en/news/53969. 
  10. ↑ "SpaceX's Falcon 9 to send two KAI satellites into space" (in en). 2023-12-01. https://koreajoongangdaily.joins.com/news/2023-12-01/business/industry/SpaceXs-Falcon-9-to-send-two-KAI-satellites-into-space-/1925840. 
  11. ↑ "CAS500-2 & CAS500-4 4 - Space launch mission information" (in en). https://www.spacerealm.live/launch/falcon-9-block-5-cas500-2-cas500-4. 
  12. ↑ Jones, Caleb. "Falcon 9 Block 5 | CAS500-2 & CAS500-4" (in en). https://spacelaunchnow.me/launch/falcon-9-block-5-cas500-2-cas500-4/. 
  13. ↑ "CAS500-2 MISSION" (in en). https://www.spacex.com/launches/cas500-2. 
  14. ↑ Piccin, Stefano (2026-05-03). "In orbita altri 7 satelliti della costellazione HEO di IRIDE" (in it-IT). https://www.astrospace.it/2026/05/03/in-orbita-altri-7-satelliti-della-costellazione-heo-di-iride/. 
  15. ↑ "SpaceX sends 45 satellites to orbit in nighttime launch from California (video)" (in en). 2026-05-02. https://www.space.com/space-exploration/launches-spacecraft/spacex-falcon-9-launch-cas500-2-mission-45-satellites. 
  16. ↑ "South Korea launches Earth-observation satellite on homegrown Nuri rocket" (in en). 2025-11-26. https://www.space.com/space-exploration/satellites/south-korea-nuri-rocket-cas500-3-earth-observation-satellite-launch. 
  17. ↑ "CAS500 3" (in en). https://space.skyrocket.de/doc_sdat/cas500-3.htm. 
  18. ↑ "Three Science Payloads Aboard New Korean Satellite Begin Operations". 2025-12-11. https://dongascience.com/en/news/75506. 
  19. ↑ "CAS500-4 medium satellite launches from California on July 7 to image Korea every 3 days". 2026-07-05. https://www.dongascience.com/en/news/78780. 
  20. ↑ "CAS500-4 Satellite Mission Summary | CEOS Database". https://database.eohandbook.com/database/missionsummary.aspx?missionID=1014. 
  21. ↑ "SpaceX launches 81 satellites to orbit from California, lands rocket on ship at sea" (in en). 2026-07-06. https://www.space.com/space-exploration/launches-spacecraft/spacex-falcon-9-transporter-17-rideshare-launch-81-satellites. 


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