26 Proserpina

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26 Proserpina   
Discovery
Discovered by: R. Luther
Discovery date: May 5, 1853
Alternative names: 1935 KK; 1954 WD1
Minor planet category: Main belt
Orbital characteristics
Epoch June 14, 2006 (JD 2453900.5)
Aphelion distance: 431.898 Gm (2.887 AU)
Perihelion distance: 362.816 Gm (2.425 AU)
Semi-major axis: 397.357 Gm (2.656 AU)
Eccentricity: 0.087
Orbital period: 1581.184 d (4.33 a)
Avg. orbital speed: 18.24 km/s
Mean anomaly: 115.619°
Inclination: 3.562°
Longitude of ascending node: 45.884°
Argument of perihelion: 193.120°
Physical characteristics
Dimensions: 95.1 km
Mass: 9.0×1017? kg
Mean density: 2.0? g/cm³
Equatorial surface gravity: 0.0266? m/s²
Escape velocity: 0.0503? km/s
Rotation period: 0.4417 d (10.60 h) [1]
Albedo: 0.1955 [2]
Temperature: ~166 K
Spectral type: S
Absolute magnitude: 7.5

26 Proserpina (IPA: [pʰɹʊˈsɚpɪnə]) is a Main belt asteroid.

It was discovered by R. Luther on May 5, 1853.

It is named after the Roman goddess Proserpina, the daughter of Ceres and the Queen of the Underworld.

[edit] Aspects

Stationary,
retrograde		 Opposition Distance to
Earth (AU)		 Maximum
brightness (mag)		 Stationary,
prograde		 Conjunction
to Sun
20 May 2005 4 July 2005 1.46065 10.5 19 August 2005 1 March 2006
1 September 2006 23 October 2006 1.85883 11.2 13 December 2006 3 June 2007
2 December 2007 19 January 2008 1.77797 11.2 9 March 2008 16 September 2008
3 April 2009 18 May 2009 1.40965 10.3 3 July 2009 24 January 2010
3 August 2010 22 September 2010 1.75181 11.1 12 November 2010 5 May 2011
31 October 2011 20 December 2011 1.87365 11.3 9 February 2012 8 August 2012
17 February 2013 3 April 2013 1.48197 10.5 22 May 2013 14 December 2013
1 July 2014 18 August 2014 1.60438 10.9 5 October 2014 4 April 2015
1 October 2015 22 November 2015 1.90320 11.3 12 January 2016 5 July 2016
8 January 2017 22 February 2017 1.62763 10.9 14 April 2017 31 October 2017
22 May 2018 7 July 2018 1.46546 10.5 21 August 2018 3 March 2019
2 September 2019 25 October 2019 1.86220 11.2 15 December 2019 4 June 2020
3 December 2020 20 January 2021 1.77244 11.2 11 March 2021 18 September 2021

[edit] References

  1. ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_DERIVED_LIGHTCURVE_V8_0/data/lc.tab
  2. ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_ALBEDOS_V1_1/data/albedos.tab
 This article about an S-type asteroid native to the Main Belt is a stub. You can help Wikipedia by expanding it.


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