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80 Sappho
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | Norman Robert Pogson |
| Discovery date: | May 2, 1864 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 412.343 Gm (2.756 AU) |
| Perihelion distance: | 274.831 Gm (1.837 AU) |
| Semi-major axis: | 343.587 Gm (2.297 AU) |
| Eccentricity: | 0.200 |
| Orbital period: | 1271.350 d (3.48 a) |
| Avg. orbital speed: | 19.46 km/s |
| Mean anomaly: | 262.909° |
| Inclination: | 8.664° |
| Longitude of ascending node: | 218.819° |
| Argument of perihelion: | 139.111° |
| Physical characteristics | |
| Dimensions: | 78.4 km |
| Mass: | 5.0×1017 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0219 m/s² |
| Escape velocity: | 0.0414 km/s |
| Rotation period: | ? d |
| Albedo: | 0.185 [1] |
| Temperature: | ~184 K |
| Spectral type: | S |
| Absolute magnitude: | 7.98 |
80 Sappho (saf'-oh) is a quite large main belt asteroid. It was discovered by Norman Pogson on May 2, 1864 and is named after Sappho, the Greek poet.
| Conjunction to sun | Stationary, than retrograde | Opposition | Distance at opposition | Brightness at opposition | Stationary, than prograde | |
|---|---|---|---|---|---|---|
| 17. January 2004 | 14. October 2004 | 24. November 2004 | 1,03774 AE | 9,9 mag | 3. January 2005 | |
| 6. August 2005 | 26. January 2006 | 20. March 2006 | 1,76606 AE | 11,7 mag | 8. May 2006 | |
| 9. November 2006 | 12. June 2007 | 24. July 2007 | 0,98579 AE | 10,0 mag | 1. September 2007 | |
| 26. May 2008 | 13. December 2008 | 4. February 2009 | 1,61126 AE | 11,5 mag | 22. March 2009 | |
| 25. September 2009 | 23. March 2010 | 9. May 2010 | 1,51061 AE | 11,1 mag | 28. June 2010 | |
| 25. January 2011 | 22. October 2011 | 3. December 2011 | 1,09110 AE | 10,2 mag | 13. January 2012 | |
| 10. August 2012 | 30. January 2013 | 24. March 2013 | 1,76137 AE | 11,7 mag | 11. May 2013 | |
| 14. November 2013 | 23. June 2014 | 3. August 2014 | 0,94274 AE | 9,9 mag | 8. September 2014 | |
| 4. June 2015 | 17. December 2015 | 9. February 2016 | 1,64047 AE | 11,6 mag | 26. March 2016 | |
| 29. September 2016 | 28. March 2017 | 13. May 2017 | 1,47221 AE | 11,0 mag | 3. July 2017 | |
| 4. February 2018 | 27. October 2018 | 10. December 2018 | 1,14565 AE | 10,3 mag | 21. January 2019 | |
| 15. August 2019 | 4. February 2020 | 27. March 2020 | 1,75379 AE | 11,7 mag | 15. May 2020 |
| Minor planets | ||
|---|---|---|
| Previous minor planet | 80 Sappho | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.