Mercury
| Equator Diameter(km) | 4,878 |
| Average Distance From Sun(million km) | 57.9 |
| Mass(kg) | 303 x 1023 |
| Mass Relative to Earth | 5.5271 x 10-02 |
| Mean Density(g/cm3) | 5.42 |
| Mean Surface Temperature(degree Celsius) | 179 |
| Mean Orbital Velocity(km/s) | 47.89 |
| Acceleration of Gravity at the Equator(m/s2) | 3.79 |
| Velocity of Escape at the Equator(km/s) | 4.3 |
| Orbital Periods(days) | 87.969 |
| Sideral Period of Rotation(days) | 58.65 |
| Orbital Eccentricity | 0.2056 |
| Orbital Inclination(degrees) | 7.004 |
| Tilt of Axis(degrees) | 0 |
| Number of Satellites | 0 |