26 Proserpina
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| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.657 AU |
| Perihelion distance | 2.425 AU |
| Aphelion distance | 2.889 AU |
| Orbital period | 4.33 years |
| Inclination | 3.56° |
| Eccentricity | 0.087 |
| Physical characteristics 1 | |
| Diameter | 95.1 km |
| Rotation period 3 | 10.6 hours |
| Spectral class | S |
| Abs. magnitude | 7.50 |
| History 2 | |
| Discoverer | R. Luther, 1853 |
26 Proserpina (proh-sur'-pi-na) is a Main belt asteroid.
It was discovered by R. Luther on May 5, 1853.
It is named after the Roman goddess Proserpina, the daughter of Ceres and the Queen of the Underworld.
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Aspects
| Stationary, than retrograde | Opposition | Distance to Earth | Brightness | Stationary, than prograde | Conjunction to Sun |
|---|---|---|---|---|---|
| 20. May 2005 | 4. July 2005 | 1,46065 AE | 10,5 mag | 19. August 2005 | 1. March 2006 |
| 1. September2006 | 23. October 2006 | 1,85883 AE | 11,2 mag | 13. December 2006 | 3. June 2007 |
| 2. December 2007 | 19. January 2008 | 1,77797 AE | 11,2 mag | 9. March 2008 | 16. September 2008 |
| 3. April 2009 | 18. May 2009 | 1,40965 AE | 10,3 mag | 3. July 2009 | 24. January 2010 |
| 3. August 2010 | 22. September 2010 | 1,75181 AE | 11,1 mag | 12. November 2010 | 5. May 2011 |
| 31. October 2011 | 20. December 2011 | 1,87365 AE | 11,3 mag | 9. February2012 | 8. August 2012 |
| 17. February2013 | 3. April 2013 | 1,48197 AE | 10,5 mag | 22. May 2013 | 14. December 2013 |
| 1. July 2014 | 18. August 2014 | 1,60438 AE | 10,9 mag | 5. October 2014 | 4. April 2015 |
| 1. October 2015 | 22. November 2015 | 1,90320 AE | 11,3 mag | 12. January 2016 | 5. July 2016 |
| 8. January 2017 | 22. February2017 | 1,62763 AE | 10,9 mag | 14. April 2017 | 31. October 2017 |
| 22. May 2018 | 7. July 2018 | 1,46546 AE | 10,5 mag | 21. August 2018 | 3. March 2019 |
| 2. September 2019 | 25. October 2019 | 1,86220 AE | 11,2 mag | 15. December 2019 | 4. June 2020 |
| 3. December 2020 | 20. January 2021 | 1,77244 AE | 11,2 mag | 11. March 2021 | 18. September 2021 |
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