Data about the planets of our solar system (Planetary facts taken from NASA's Planetary Fact Sheet - Metric).
| Name | Mass (10²⁴kg) | Diameter (km) | Density (kg/m³) | Gravity (m/s²) | Length of Day (hours) | Distance from the Sun (10⁶ km) | Mean Temperature (°C) | Number of Moons | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Terrestrial planets | Mercury | 0.33 | 4,879 | 5427 | 3.7 | 4222.6 | 57.9 | 167 | 0 | Closest to the Sun | |
| Venus | 4.87 | 12,104 | 5243 | 8.9 | 1302 | 108.2 | 464 | 0 | |||
| Earth | 5.97 | 12,756 | 5514 | 9 | 24 | 149.6 | 15 | 1 | Our world | ||
| Mars | 0.642 | 6,792 | 3933 | 3.7 | 24.7 | 227.9 | -65 | 2 | The red planet | ||
| Jovian planets | Gas giants | Jupiter | 1898 | 142,984 | 1326 | 23.1 | 9.9 | 778.6 | -110 | 67 | The largest planet |
| Saturn | 568 | 120,536 | 687 | 9 | 10.7 | 1433.5 | -140 | 62 | |||
| Ice giants | Uranus | 86.8 | 51,118 | 1271 | 3.7 | 17.2 | 2872.5 | -195 | 27 | ||
| Neptune | 102 | 49,528 | 1638 | 11 | 16.1 | 4495.1 | -200 | 14 | |||
| Dwarf planets | Pluto | 0.0146 | 2,370 | 2095 | 0.7 | 153.3 | 5906.4 | -225 | 5 | Declassified as a planet in 2006, but this remains controversial. | |