| Name of Satellite, Alternate Names | Proba 1 (Project for On-Board Autonomy) |
| Country of Operator/Owner | ESA |
| Operator/Owner | European Space Agency (ESA) |
| Users | Government |
| Purpose | Technology Demonstration |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 553 |
| Apogee (km) | 676 |
| Eccentricity | 0.00880521153983821 |
| Inclination (degrees) | 97.9 |
| Period (minutes) | 96.98 |
| Launch Mass (kg.) | 100 |
| Dry Mass (kg.) | |
| Power (watts) | 100 |
| Date of Launch | 22-10-2001 |
| Expected Lifetime | 2 yrs. |
| Contractor | Verhaert Design and Development NV (leading a European consortium) |
| Country of Contractor | Belgium |
| Launch Site | Sriharikota Launch Station |
| Launch Vehicle | PSLV C3 |
| COSPAR Number | 2001-049B |
| NORAD Number | 26958 |
| Comments | First a technology demonstration, then extended for one year for remote sensing; looks like a washing machine. |