| Name of Satellite, Alternate Names | Unisat-3 (University Satellite 3) |
| Country of Operator/Owner | Italy |
| Operator/Owner | La Sapienza University of Rome |
| Users | Civil |
| Purpose | Scientific Research |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 696 |
| Apogee (km) | 795 |
| Eccentricity | 0.00695664394631438 |
| Inclination (degrees) | 98.1 |
| Period (minutes) | 99.7 |
| Launch Mass (kg.) | 12 |
| Dry Mass (kg.) | 12 |
| Power (watts) | |
| Date of Launch | 29-06-2004 |
| Expected Lifetime | |
| Contractor | La Sapienza University of Rome |
| Country of Contractor | Italy |
| Launch Site | Baikonur Cosmodrome |
| Launch Vehicle | Dnepr 1 |
| COSPAR Number | 2004-025H |
| NORAD Number | 28373 |
| Comments | Test solar cells in the space environment. |