Astronomy View all facts Glossary Help |
physical object > natural object > celestial body > natural satellite > Phobos |
Phobos | ||||
subject | fact |
Phobos | has albedo 0.06 | |
has rotation period 7h39m14s | ||
has inclination i = 1°.1 | ||
has eccentricity e = 0.021 | ||
has radius about 18 × 22 km | ||
has discovery date 1877 | ||
has discoverer A. Hall | ||
has surface composition dust (from Infrared observations) | ||
is a part of Mars | ||
has orbital period 7h39m14s | ||
has definition The potato-shaped inner satellite of Mars. Phobos lies just outside the Martian Roche limit. | ||
is an instance of natural satellite | ||
celestial body | has spectra | |
satellite | orbits a more massive physical object | |
has approximately elliptical orbit | ||
has orbital inclination | ||
physical object | has location or center of gravity | |
has angular momentum | ||
has mass | ||
has velocity | ||
has momentum | ||
has temperature | ||
has volume | ||
has extent | ||
has material |
Next natural satellite: Phoebe Up: natural satellite Previous natural satellite: Pan