403 Cyane
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| Discovery A | |
|---|---|
| Discoverer | Auguste Charlois |
| Discovery date | May 18, 1895 |
| Alternate designations B |
1895 BX |
| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.097 |
| Semi-major axis (a) | 420.468 Gm (2.811 AU) |
| Perihelion (q) | 379.696 Gm (2.538 AU) |
| Aphelion (Q) | 461.241 Gm (3.083 AU) |
| Orbital period (P) | 1721.083 d (4.71 a) |
| Mean orbital speed | 17.77 km/s |
| Inclination (i) | 9.154° |
| Longitude of the ascending node (Ω) |
244.854° |
| Argument of perihelion (ω) |
251.819° |
| Mean anomaly (M) | 195.439° |
| Physical characteristics D | |
| Dimensions | 49.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.1 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
403 Cyane is a typical Main belt asteroid.
It was discovered by Auguste Charlois on May 18, 1895 in Nice.
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