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| physical object > natural object > celestial body > asteroid > Earth-crossing asteroid > Apollo asteroid | 
| Apollo asteroid comparison table | |||||||||||||||||||
| Subject | has location | has material | is part of | has spectra | has volume | has temperature | has velocity | is an instance of | has orbital period | has momentum | has synonym | has extent | has mass | has inclination | has semi-major axi | has definition | has angular momentum | has asteroid number | has eccentricity | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apollo | or center of gravity | our solar system | Apollo asteroid | P = 622d | planetoid | i = 6°.4 | a = 1.486 AU | Prototype of a small group of asteroids whose orbits intersect that of Earth. | e = 0.57 | 
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