Jason at a glance
| Jason 1 key figures | |
| Mass | 500 kg |
| Dimensions | 3 metres in height |
| Altitude | 1,336 km |
| Design lifetime | 3 years (objective > 5 years) |
| Exact repetition of coverage | Every 10 days |
| Jason 2 key figures | |
| Mass | 525 kg |
| Power | 511 W |
| Altitude | 1,336 km |
| Design lifetime | 5 years |
