49 Pales
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| Discovery A | |
|---|---|
| Discoverer | Hermann Mayer Salomon Goldschmidt |
| Discovery date | September 19, 1857 |
| Alternate designations B |
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| Category | Main belt |
| Orbital elements C | |
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| Eccentricity (e) | 0.233 |
| Semi-major axis (a) | 461.538 Gm (3.085 AU) |
| Perihelion (q) | 353.875 Gm (2.366 AU) |
| Aphelion (Q) | 569.200 Gm (3.805 AU) |
| Orbital period (P) | 1979.344 d (5.42 a) |
| Mean orbital speed | 16.72 km/s |
| Inclination (i) | 3.180° |
| Longitude of the ascending node (Ω) |
286.178° |
| Argument of perihelion (ω) |
110.188° |
| Mean anomaly (M) | 147.198° |
| Physical characteristics D | |
| Dimensions | 149.8 km |
| Mass | 3.5×1018 kg |
| Density | ? g/cm³ |
| Surface gravity | 0.0419 m/s² |
| Escape velocity | 0.0792 km/s |
| Rotation period | ? d |
| Spectral class | C |
| Absolute magnitude | 7.8 |
| Albedo (geometric) | 0.060 [1] |
| Mean surface temperature |
~158 K |
49 Pales (IPA: /ˈpeɪliz/) is a large, dark Main belt asteroid. Pales was discovered by H. Goldschmidt on September 19, 1857 and named after Pales, goddess of shepherds in Roman mythology.
[edit] References
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