284 Amalia
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| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery date | May 29, 1889 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.223 |
| Semi-major axis (a) | 352.837 Gm (2.359 AU) |
| Perihelion (q) | 274.195 Gm (1.833 AU) |
| Aphelion (Q) | 431.478 Gm (2.884 AU) |
| Orbital period (P) | 1323.009 d (3.62 a) |
| Mean orbital speed | 19.39 km/s |
| Inclination (i) | 8.062° |
| Longitude of the ascending node (Ω) |
233.966° |
| Argument of perihelion (ω) |
57.464° |
| Mean anomaly (M) | 297.482° |
| Physical characteristics D | |
| Dimensions | 53.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 10.05 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
284 Amalia is a large Main belt asteroid.
It was discovered by Auguste Charlois on May 29, 1889 in Nice.
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