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Adonis (minor planet 2101)
A small asteroid that is a member of the Apollo group; it was discovered by Eugene Delaporte in 1936. Adonis was the second Apollo asteroid to be found and may be an extinct comet. In 1937 it came to within 2 million km of the Earth, but was then lost until recovered in 1977, by Charles Kowal, following recomputation of its orbit.
| diameter | about 1 km |
| semimajor axis | 1.874 AU |
| perihelion | 0.441 AU |
| aphelion | 3.307 AU |
| inclination | 1.35° |
| period | 2.56 years (936.7 d) |
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