| CAS500-1 | |
| Mission Type: | Earth observation |
| Cospar Id: | 2021-022A |
| Satcat: | 47932 |
| Dimensions: | 1.9 m x 1.9 m x 2.9 m |
| Launch Rocket: | Soyuz-2.1a / Fregat |
| Launch Site: | Baikonur Site 31/6 |
| Launch Contractor: | Glavkosmos |
| Orbit Regime: | Low Earth orbit |
| Orbit Inclination: | 97.7 degrees |
| Orbit Period: | 15 orbits/day |
| CAS500-2 | |
| Mission Type: | Earth observation |
| Launch Date: | 2025 (planned)[1] |
| Launch Rocket: | Falcon 9 Block 5 |
| Launch Site: | TBA |
| Launch Contractor: | SpaceX |
| Orbit Regime: | Low Earth orbit |
| CAS500-3 | |
| Mission Type: | Earth observation |
| Launch Date: | 2024 (planned) |
| Launch Rocket: | Nuri (KSLV-II) |
| Launch Site: | Naro LP-2 |
| Launch Contractor: | KARI |
| Orbit Regime: | Low Earth orbit |
| CAS500-4 | |
| Mission Type: | Earth observation |
| Dimensions: | 1.9 m x 1.9 m x 2.9 m |
| Launch Date: | 2025 (planned) |
| Launch Site: | Cape Canaveral SLC-40 |
| Launch Contractor: | SpaceX |
| Orbit Regime: | Low Earth orbit |
| CAS500-5 | |
| Mission Type: | Earth observation |
| Dimensions: | 1.9 m x 1.9 m x 2.9 m |
| Launch Date: | 2025 (planned) |
| Launch Rocket: | TBA |
| Launch Site: | TBA |
| Launch Contractor: | TBA |
| Orbit Regime: | Low Earth orbit |
CAS500-1, or Compact Advanced Satellite 500-1, is a prototype 500kg (1,100lb) class Earth observation satellite that was launched by South Korea at the Baikonur Cosmodrome on 22 March 2021.[2] [3] It is in a 500km (300miles) Sun-synchronous orbit, inclined by 97.7 degrees or 15 orbits/day.