418 Alemannia
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| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | September 7, 1896 |
| Alternate designations B |
1896 CV |
| Category | Main belt |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.12 |
| Semi-major axis (a) | 387.826 Gm (2.592 AU) |
| Perihelion (q) | 341.442 Gm (2.282 AU) |
| Aphelion (Q) | 434.21 Gm (2.903 AU) |
| Orbital period (P) | 1524.605 d (4.17 a) |
| Mean orbital speed | 18.5 km/s |
| Inclination (i) | 6.825° |
| Longitude of the ascending node (Ω) |
249.098° |
| Argument of perihelion (ω) |
126.12° |
| Mean anomaly (M) | 321.716° |
| Physical characteristics D | |
| Dimensions | 34.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.77 |
| Albedo (geometric) | unknown |
| Mean surface temperature |
unknown |
418 Alemannia is a typical Main belt asteroid.
It was discovered by Max Wolf on September 7, 1896 in Heidelberg.
[edit] Aspects
Alemannia
| Stationary, retrograde | Opposition | Distance to Earth (AU) |
Maximum brightness (mag) |
Stationary, prograde | conjunction to Sun | |
|---|---|---|---|---|---|---|
| 4. May 2004 | 22. June 2004 | 1,61374 AE | 13,1 mag | 11. August 2004 | 23. February 2005 | |
| 2. October 2005 | 15. November 2005 | 1,34917 AE | 12,5 mag | 26. December 2005 | 19. July 2006 | |
| 11. January 2007 | 6. March 2007 | 1,86363 AE | 13,7 mag | 23. April 2007 | 22. October 2007 | |
| 15. April 2008 | 3. June 2008 | 1,70943 AE | 13,2 mag | 24. July 2008 | 30. January 2009 | |
| 5. September 2009 | 20. October 2009 | 1,30165 AE | 12,5 mag | 27. November 2009 | 28. June 2010 | |
| 27. December 2010 | 18. February 2011 | 1,80492 AE | 13,6 mag | 7. April 2011 | 8. October 2011 | |
| 28. March 2012 | 17. May 2012 | 1,79086 AE | 13,4 mag | 7. July 2012 | 8. January 2013 | |
| 6. August 2013 | 22. September 2013 | 1,30456 AE | 12,6 mag | 31. October 2013 | 4. June 2014 | |
| 11. December 2014 | 1. February 2015 | 1,72319 AE | 13,4 mag | 21. March 2015 | 23. September 2015 | |
| 11. March 2016 | 1. May 2016 | 1,85256 AE | 13,6 mag | 20. June 2016 | 20. December 2016 | |
| 8. July 2017 | 25. August 2017 | 1,35440 AE | 12,7 mag | 5. October 2017 | 9. May 2018 | |
| 26. November 2018 | 14. January 2019 | 1,62360 AE | 13,2 mag | 2. March 2019 | 7. September 2019 | |
| 24. February 2020 | 16. April 2020 | 1,89110 AE | 13,7 mag | 4. June 2020 | 3. December 2020 |
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| Minor planets | ||
|---|---|---|
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| 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.
