58 Concordia
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | Karl Theodor Robert Luther |
| Discovery date: | March 24, 1860 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 421.526 Gm (2.818 AU) |
| Perihelion distance: | 386.457 Gm (2.583 AU) |
| Semi-major axis: | 403.991 Gm (2.701 AU) |
| Eccentricity: | 0.043 |
| Orbital period: | 1620.946 d (4.44 a) |
| Avg. orbital speed: | 18.12 km/s |
| Mean anomaly: | 15.122° |
| Inclination: | 5.057° |
| Longitude of ascending node: | 161.290° |
| Argument of perihelion: | 34.465° |
| Physical characteristics | |
| Dimensions: | 93.4 km |
| Mass: | 8.5×1017 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0261 m/s² |
| Escape velocity: | 0.0494 km/s |
| Rotation period: | ? d |
| Albedo: | 0.058 [1] |
| Temperature: | ~169 K |
| Spectral type: | C |
| Absolute magnitude: | 8.86 |
58 Concordia is a quite large Main belt asteroid. It is classified as a C-type asteroid, so its surface is very dark and it is likely carbonaceous in composition. It was discovered by R. Luther on March 24, 1860. He named it after Concordia, the Roman goddess of harmony.
[edit] Aspects
| Stationary, retrograde |
Opposition | Distance to Earth (AU) |
Maximum brightness (mag) |
Stationary, prograde |
Conjunction to Sun |
|---|---|---|---|---|---|
| 10 June 2005 | 16 December 2005 | 1.65727 | 12.3 | 1 February 2006 | 20 March 2006 |
| 4 October 2006 | 12 April 2007 | 1.62312 | 12.3 | 29 May 2007 | 17 July 2007 |
| 22 January 2008 | 25 July 2008 | 1.80068 | 12.5 | 13 September 2008 | 31 October 2008 |
| 26 April 2009 | 30 October 2009 | 1.75266 | 12.5 | 18 December 2009 | 5 February 2010 |
| 12 August 2010 | 22 February 2011 | 1.58732 | 12.2 | 6 April 2011 | 24 May 2011 |
| 7 December 2011 | 10 June 2012 | 1.73056 | 12.5 | 30 July 2012 | 16 September 2012 |
| 15 March 2013 | 18 September 2013 | 1.81375 | 12.7 | 5 November 2013 | 26 December 2013 |
| 23 June 2014 | 30 December 2014 | 1.63343 | 12.2 | 15 February 2015 | 2 April 2015 |
| 18 October 2015 | 24 April 2016 | 1.64340 | 12.4 | 11 June 2016 | 30 July 2016 |
| 2 February 2017 | 7 August 2017 | 1.81191 | 12.6 | 24 September 2017 | 13 November 2017 |
| 9 May 2018 | 11 November 2018 | 1.72794 | 12.5 | 30 December 2018 | 16 February 2019 |
| 27 August 2019 | 7 March 2020 | 1.58935 | 12.2 | 20 April 2020 | 8 June 2020 |
[edit] References
| Minor planets | ||
|---|---|---|
| Previous minor planet | 58 Concordia | 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.
