Space probe
| The minimum speed, v (in m/s) needed for a space probe to escape the Earth's gravitational pull is given by the following formula: | |
 |
M is the Earth's mass in kg v is the speed of the space probe in m/s. |
| Jupiter | Neptune | Mars | Saturn | Earth | |
| radius (in km) | 69 173 | 24 532 | 3397 | 57 316 | 6378 |
| mass (in kg) | 1.9 1027 | 1.0 1026 | 6.4 1023 | 5.7 1026 | 5.976 1024 |