| Diameter | Mass | Average density | |||
|---|---|---|---|---|---|
| (km) | (Earth = 1) | (kg) | (Earth = 1) | (kg/m3) | |
| Mercury | 4878 | 0.38 | 3.3 × 1023 | 0.06 | 5430 |
| Venus | 12,100 | 0.95 | 4.9 × 1024 | 0.81 | 5250 |
| Earth | 12,756 | 1.00 | 6.0 × 1024 | 1.00 | 5520 |
| Mars | 6786 | 0.53 | 6.4 × 1023 | 0.11 | 3950 |
| Jupiter | 142,984 | 11.21 | 1.9 × 1027 | 317.94 | 1330 |
| Saturn | 120,536 | 9.45 | 5.7 × 1026 | 95.18 | 690 |
| Uranus | 51,118 | 4.01 | 8.7 × 1025 | 14.53 | 1290 |
| Neptune | 49,528 | 3.88 | 1.0 × 1026 | 17.14 | 1640 |