28 Bellona
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Discovery
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| Discovered by | R. Luther |
| Discovery date | March 1, 1854 |
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Designations
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| Alternative names | 1951 CC2 |
| Minor planet category |
Main belt |
| Epoch June 14, 2006 (JD 2453900.5) | |
| Aphelion | 477.240 Gm (3.190 AU) |
| Perihelion | 353.977 Gm (2.366 AU) |
| Semi-major axis | 415.608 Gm (2.778 AU) |
| Eccentricity | 0.148 |
| Orbital period | 1691.362 d (4.63 a) |
| Average orbital speed | 17.77 km/s |
| Mean anomaly | 353.997° |
| Inclination | 9.401° |
| Longitude of ascending node | 144.503° |
| Argument of perihelion | 342.548° |
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Physical characteristics
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| Dimensions | 120.9 km † |
| Mass | 1.9×1018? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0338? m/s² |
| Escape velocity | 0.0639? km/s |
| Rotation period | 0.65396 d (15.695 h) [1] |
| Albedo | 0.1763 [2] |
| Temperature | ~163 K |
| Spectral type | S |
| Absolute magnitude | 7.09 |
28 Bellona (pronounced /bɛˈloʊnə/, Latin: Bellōna) is a large main belt asteroid.
Bellona was discovered by R. Luther on March 1, 1854. It is named after Bellona, the Roman goddess of war; the name was chosen to mark the beginning of the Crimean War.
[edit] References
- ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_DERIVED_LIGHTCURVE_V8_0/data/lc.tab
- ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_ALBEDOS_V1_1/data/albedos.tab
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This article about an S-type asteroid native to the Main Belt is a stub. You can help Wikipedia by expanding it. |
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