28 Bellona
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| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.779 AU |
| Perihelion distance | 2.366 AU |
| Aphelion distance | 3.192 AU |
| Orbital period | 4.63 years |
| Inclination | 9.40° |
| Eccentricity | 0.149 |
| Physical characteristics 1 | |
| Diameter | 120.9 km |
| Rotation period 3 | 15.695 hours |
| Spectral class | S |
| Abs. magnitude | 7.09 |
| History 2 | |
| Discoverer | R. Luther, 1854 |
28 Bellona (be-loe'-na, 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.
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Aspects
| Stationary, than retrograde | Opposition | Distance to Earth | Brightness | Stationary, than prograde | Conjunction to Sun |
|---|---|---|---|---|---|
| 31. March 2005 | 13. October 2005 | 26. November 2005 | 1,57501 AE | 10,6 mag | 14. January 2006 |
| 7. August 2006 | 27. February2007 | 10. April 2007 | 1,61844 AE | 10,6 mag | 31. May 2007 |
| 3. December 2007 | 16. May 2008 | 10. July 2008 | 2,15638 AE | 11,5 mag | 1. September 2008 |
| 11. February 2009 | 6. August 2009 | 23. September2009 | 1,98238 AE | 11,2 mag | 15. November 2009 |
| 8. May 2010 | 2. December 2010 | 15. January 2011 | 1,39214 AE | 10,0 mag | 25. February 2011 |
| 29. September 2011 | 31. March 2012 | 19. May 2012 | 1,87995 AE | 11,2 mag | 12. July 2012 |
| 30. December 2012 | 13. June 2013 | 6. August 2013 | 2,17823 AE | 11,4 mag | 28. September 2013 |
| 10. March 2014 | 13. September2014 | 27. October 2014 | 1,75846 AE | 10,9 mag | 18. December 2014 |
| 27. June 2015 | 27. January 2016 | 7. March 2016 | 1,44739 AE | 10,1 mag | 20. April 2016 |
| 8. November 2016 | 27. April 2017 | 20. June 2017 | 2,07548 AE | 11,5 mag | 13. August 2017 |
| 24. January 2018 | 13. July 2018 | 2. September2018 | 2,09867 AE | 11,3 mag | 25. October 2018 |
| 10. April 2019 | 25. October 2019 | 9. December 2019 | 1,51088 AE | 10,4 mag | 25. January 2020 |
| 22. August 2020 | 9. March 2021 | 22. April 2021 | 1,69212 AE | 10,8 mag | 12. June 2021 |
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