Planetary Orbital Data
| Planet | semimajor axis (a in AU) | sidereal period (in earth years) | orbital eccentricity |
| Mercury | 0.3871 | 0.2408 | 0.206 |
| Venus | 0.7233 | 0.0615 | 0.007 |
| Earth | 1.000 | 1.0000 | 0.017 |
| Mars | 1.5237 | 1.8809 | 0.093 |
| Jupiter | 3.2028 | 11.86 | 0.048 |
| Saturn | 9.5880 | 29.46 | 0.056 |
| Uranus | 19.1910 | 84.07 | 0.046 |
| Neptune | 30.0610 | 164.82 | 0.010 |
| Pluto (?) | 39.5290 | 248.6 | 0.248 |