| Name of Satellite, Alternate Names | Kompsat-3 (Arirang 3, Korean Multipurpose Satellite-3) |
| Country of Operator/Owner | South Korea |
| Operator/Owner | Korea Aerospace Research Institute (KARI) |
| Users | Government/Commercial |
| Purpose | Earth Observation |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 679 |
| Apogee (km) | 696 |
| Eccentricity | 0.00120439249025859 |
| Inclination (degrees) | 98.2 |
| Period (minutes) | 98.5 |
| Launch Mass (kg.) | 980 |
| Dry Mass (kg.) | |
| Power (watts) | 1300 |
| Date of Launch | 17-05-2012 |
| Expected Lifetime | 4 yrs. |
| Contractor | Korea Aerospace Research Institute (KARI)/ EADS Astrium |
| Country of Contractor | South Korea/France/UK/Germany |
| Launch Site | Tanegashima Space Center |
| Launch Vehicle | H2A |
| COSPAR Number | 2012-025B |
| NORAD Number | 38338 |
| Comments | Support Geographical Information Systems, environmental, agricultural and oceanographic monitoring. There may also be a miltary/strategic imaging role. |