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| 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 | ![]() |
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