| Name of Satellite, Alternate Names | OPTOS |
| Country of Operator/Owner | Spain |
| Operator/Owner | Spanish Space Agency |
| Users | Government |
| Purpose | Technology Development |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 594 |
| Apogee (km) | 797 |
| Eccentricity | 0.0143655792229849 |
| Inclination (degrees) | 97.8 |
| Period (minutes) | 98.7 |
| Launch Mass (kg.) | 3 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 21-11-2013 |
| Expected Lifetime | |
| Contractor | Instituto Nacional de Tecnica Aerospacial (INTA) |
| Country of Contractor | Spain |
| Launch Site | Dombarovskiy Launch Facility |
| Launch Vehicle | Dnepr |
| COSPAR Number | 2013-066E |
| NORAD Number | 39420 |
| Comments | Study degradation of lenses in space environment by imaging the same region repeatedly under the same light conditions, FIBOS (Fiber Bragg Gratings for Optical Sensing) to measure temperature, and the GMR (Giant Magneto-Resistance) system to study magnetic fluxes in the Earth´s magnetic field. |