68 Leto
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| Discovery | |
|---|---|
| Discovered by: | Karl Theodor Robert Luther |
| Discovery date: | April 29, 1861 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 493.518 Gm (3.299 AU) |
| Perihelion distance: | 339.110 Gm (2.267 AU) |
| Semi-major axis: | 416.314 Gm (2.783 AU) |
| Eccentricity: | 0.185 |
| Orbital period: | 1695.670 d (4.64 a) |
| Avg. orbital speed: | 17.70 km/s |
| Mean anomaly: | 24.606° |
| Inclination: | 7.972° |
| Longitude of ascending node: | 44.183° |
| Argument of perihelion: | 305.392° |
| Physical characteristics | |
| Dimensions: | 122.6 km |
| Mass: | 1.9×1018 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0343 m/s² |
| Escape velocity: | 0.0648 km/s |
| Rotation period: | ? d |
| Albedo: | 0.228 [1] |
| Temperature: | ~167 K |
| Spectral type: | S |
| Absolute magnitude: | 6.78 |
68 Leto (lee'-toh) is a large main belt asteroid. Its spectral type is S. It was discovered by Robert Luther on April 29, 1861, and named after Leto, the mother of Apollo and Artemis in Greek mythology.
[edit] Aspects
| Stationary, retrograde | Opposition | Minimum distance (AU) | Maximum brightness (mag) | Stationary, prograde | Conjunction to Sun | |
|---|---|---|---|---|---|---|
| 16. March 2005 | 07. May 2005 | 1,95640 AE | 10,7 mag | 01. July 2005 | 28. December 2005 | |
| 08. August 2006 | 17. September 2006 | 1,27366 AE | 9,5 mag | 03. November 2006 | 27. May 2007 | |
| 25. November 2007 | 14. January 2008 | 2,03742 AE | 11,1 mag | 06. March 2008 | 22. August 2008 | |
| 28. January 2009 | 22. March 2009 | 2,28879 AE | 11,5 mag | 21. May 2009 | 30. October 2009 | |
| 24. April 2010 | 11. June 2010 | 1,64836 AE | 10,3 mag | 31. July 2010 | 18. February 2011 | |
| 24. September 2011 | 11. November 2011 | 1,46768 AE | 9,7 mag | 27. December 2011 | 03. July 2012 | |
| 20. December 2012 | 08. February 2013 | 2,23716 AE | 11,4 mag | 06. April 2013 | 16. September 2013 | |
| 22. February 2014 | 15. April 2014 | 2,14786 AE | 11,1 mag | 12. June 2014 | 29. November 2014 | |
| 21. June 2015 | 30. July 2015 | 1,35623 AE | 9,8 mag | 15. September 2015 | 17. April 2016 | |
| 31. October 2016 | 20. December 2016 | 1,80114 AE | 10,6 mag | 06. February 2017 | 02. August 2017 | |
| 11. January 2018 | 04. March 2018 | 2,31539 AE | 11,5 mag | 02. May 2018 | 10. October 2018 | |
| 23. March 2019 | 14. May 2019 | 1,89966 AE | 10,6 mag | 07. July 2019 | 07. January 2020 | |
| 18. August 2020 | 29. September 2020 | 1,28817 AE | 9,5 mag | 14. November 2020 | 04. June 2021 |
[edit] References
| Minor planets | ||
|---|---|---|
| Previous minor planet | 68 Leto | 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.
