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Encyclopedia > Characteristics of the Moon II
CHARACTERISTICS OF THE MOON
| Characteristics | Values |
|---|---|
| Semi-major axis in km | 383 398km |
| Eccentricity of the orbit | 0.05555 |
| Inclination of the orbit on the ecliptic | 5°.1567 |
| Inclination of the equator on the ecliptic | 1°.5 |
| Sidereal period of revolution | 27.3217 days |
| Rotation period | 27.321662 days |
| Length of the "day" (lunar month) | 29.53059 days |
| Orbital Velocity | 1 km/s |
| Apparent equatorial diameter at the smallest distance from the Earth (maximum value) |
33'.5 |
| Equatorial diameter (Earth=1) | 0.27 |
| Equatorial diameter | 3474.8 km |
| Visual magnitude | -12.7 |
| Flattening | 0 |
| Volume (Earth=1) | 0.02 |
| Mass (Sun=1) | 3.694/100 000 000 |
| Mass (Earth=1) | 0.0123 |
| Density (Earth=1) | 0.6 |
| Density (Water=1) | 3.34 |
| Surface gravity (Earth=1) | 0.17 |
| escape velocity | 2370 m/s |
| Reflectivity (geometric albedo) | 0,12 |
| The hightest peak | 7500 m |
| Deepest pit | 5600 m |
| Surface temperature | -173°/+117°C |
| Atmosphere | none |
| Nature of the surface | Basaltic rocks |
