| A | B |
| Mercury | Named after the god of commerce and travel |
| Mars | Named for the god of war |
| Pluto | Named for the god of the underworld |
| Earth | Was not named after a Greek or Roman gods or goddess |
| Venus | Named after the goddess of love |
| Jupiter | Named after the king of the gods |
| Uranus | Named after the god of the heavens |
| Neptune | Named after the god of the sea |
| Saturn | Named after the god or agriculture |