| Name of Satellite, Alternate Names | Helios 2B |
| Country of Operator/Owner | France/Italy/Belgium/Spain/Greece |
| Operator/Owner | Centre National d´Etudes Spatiales (CNES)/Délégation Générale de l´Armement (DGA) |
| Users | Military |
| Purpose | Reconnaissance |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 679 |
| Apogee (km) | 682 |
| Eccentricity | 0.000212750868732714 |
| Inclination (degrees) | 98.1 |
| Period (minutes) | 98.37 |
| Launch Mass (kg.) | 4200 |
| Dry Mass (kg.) | 1,500-1,900 |
| Power (watts) | 2900 |
| Date of Launch | 18-12-2009 |
| Expected Lifetime | 5 yrs. |
| Contractor | EADS Astrium |
| Country of Contractor | France/UK/Germany/Spain |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 5 |
| COSPAR Number | 2009-073A |
| NORAD Number | 36124 |
| Comments | Optical reconnaissance, independent military intelligence capability for the EU (France has financed 90% of the B series). |