|
| Jetzer [18] | Cardona [19] | Iorio [20] | Adkins [21] | Tsang |
| Mercury | 10−24 | - | 10−24 | - | 10−14 |
| Venus | 10−22 | - | 10−22 | - | 10−15 |
| Earth | 10−25 | - | 10−25 | - | 10−16 |
| Mars | 10−25 | - | 10−25 | - | 10−16 |
| General | - | 10−25 | - | 10−25 | - |