Facts About Planets and Dwarf Planets
| Name | Type | Avg Dist from Sun (million km) | Equatorial diam (km) | Mass (10E24 kg) | Orbital period (days) | Length of day (hours) | Known moons |
| Mercury | Terrestrial | 57.9 | 4,879 | 0.33 | 88.0 | 4222.6 | 0 |
| Venus | Terrestrial | 108.2 | 12,104 | 4.87 | 224.7 | 2802.0 | 0 |
| Earth | Terrestrial | 149.6 | 12,756 | 5.97 | 365.2 | 24.0 | 1 |
| Mars | Terrestrial | 227.9 | 6,792 | 0.64 | 687.0 | 24.7 | 2 |
| Jupiter | Gas Giant | 778.6 | 142,984 | 1899 | 4,331 | 9.9 | 63 |
| Saturn | Gas Giant | 1433.5 | 120,536 | 568 | 10,747 | 10.7 | 60 |
| Uranus | Gas Giant | 2872.5 | 51,118 | 86.8 | 30,589 | 17.2 | 27 |
| Neptune | Gas Giant | 4495.1 | 49,528 | 102 | 59,800 | 16.1 | 13 |
| Pluto | Dwarf Planet | 5870.0 | 2,400 | 0.0125 | 90,588 | 153.3 | 3 |
| Ceres | Dwarf Planet | 414.7 | 975 | 0.0009 | 1,680 | 9.0 | 0 |
| Haumea | Dwarf Planet | 6,484 | 1,150 | 0.0042 | 104,242 | 2 | |
| Makemake | Dwarf Planet | 6,850 | 1,500 | 0.004 | 113,191 | 0 | |
| Eris | Dwarf Planet | 10,120 | 2,400 | 0.0167 | 203,600 | 7 | 1 |
