What is 37 Fides?
Encyclopedia : 3 : 37 : 37F : 37 Fides
| Orbital characteristics [1] | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.640 AU |
| Perihelion distance | 2.174 AU |
| Aphelion distance | 3.107 AU |
| Orbital period | 4.29 years |
| Inclination | 3.07° |
| Eccentricity | 0.177 |
| Physical characteristics [1] | |
| Diameter | 108.3 km |
| Rotation period [3] | 7.332 hours |
| Spectral class | S |
| Abs. magnitude | 7.29 |
| Albedo [4] | 0.183 |
| History [2] | |
| Discoverer | R. Luther, 1855 |
37 Fides (fye'-deez ()) is a large main belt asteroid.
It was discovered by R. Luther on October 5, 1855 and named after Fides, the Roman goddess of loyalty.
Aspects
| Opposition | Distance at opposition | Brightness at opposition | Stationary, than prograde | Conjunction to sun | ||
| 31. March 2004 | 24. May 2004 | 2,09025 AE | 11,5 mag | 17. July 2004 | 1. January 2005 | |
| 29. June 2005 | 17. August 2005 | 1,67481 AE | 10,7 mag | 7. October 2005 | 18. April 2006 | |
| 6. December 2006 | 17. January 2007 | 1,29646 AE | 9,9 mag | 28. February 2007 | 23. September 2007 | |
| 9. March 2008 | 2. May 2008 | 2,02104 AE | 11,4 mag | 24. June 2008 | 10. December 2008 | |
| 29. May 2009 | 20. July 2009 | 1,89327 AE | 11,2 mag | 11. September 2009 | 7. March 2010 | |
| 17. October 2010 | 28. November 2010 | 1,19300 AE | 9,6 mag | 7. January 2011 | 20. August 2011 | |
| 16. February 2012 | 8. April 2012 | 1,86730 AE | 11,0 mag | 30. May 2012 | 20. November 2012 | |
| 3. May 2013 | 25. June 2013 | 2,03649 AE | 11,4 mag | 18. August 2013 | 4. February 2014 | |
| 25. August 2014 | 9. October 2014 | 1,31958 AE | 9,8 mag | 23. November 2014 | 5. July 2015 | |
| 22. January 2016 | 10. March 2016 | 1,64281 AE | 10,6 mag | 29. April 2016 | 29. October 2016 | |
| 9. April 2017 | 3. June 2017 | 2,09303 AE | 11,5 mag | 27. July 2017 | 10. January 2018 | |
| 14. July 2018 | 31. August 2018 | 1,56900 AE | 10,5 mag | 19. October 2018 | 10. May 2019 | |
| 22. December 2019 | 4. February 2020 | 1,38883 AE | 10,1 mag | 20. March 2020 | 5. October 2020 |
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