Astronomy:570 Kythera

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570 Kythera
Discovery
Discovered byM. F. Wolf
Discovery siteHeidelberg
Discovery date30 July 1905
Designations
(570) Kythera
Pronunciation/kɪˈθɪərə/[1]
1905 QX
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc110.72 yr (40440 d)
|{{{apsis}}}|helion}}3.8365 astronomical unit|AU (573.93 Gm)
|{{{apsis}}}|helion}}3.0101 AU (450.30 Gm)
3.4233 AU (512.12 Gm)
Eccentricity0.12071
Orbital period6.33 yr (2313.5 d)
Mean anomaly125.278°
Mean motion0° 9m 20.196s / day
Inclination1.7870°
Longitude of ascending node223.762°
156.205°
Physical characteristics
Mean radius51.405±1.4 km
Rotation period8.120 h (0.3383 d)
Geometric albedo0.0500±0.003
Absolute magnitude (H)8.81


Kythera (minor planet designation: 570 Kythera) is a large, main belt asteroid orbiting the Sun. It was discovered in 1905 by German astronomer M. F. Wolf at Heidelberg, and was named after the Greek island of Kythira that is associated with Aphrodite.[3] The object is a member of the Cybele asteroid group.[4]

References

  1. 'Cythera' in Noah Webster (1884) A Practical Dictionary of the English Language
  2. "570 Kythera (1905 QX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=570;cad=1. 
  3. Schmadel, Lutz (2003), Dictionary of Minor Planet Names, Springer Science & Business Media, p. 59, ISBN 9783540002383. 
  4. Lagerkvist, Claes-Ingvar et al. (January 2001), "A Study of Cybele Asteroids. I. Spin Properties of Ten Asteroids", Icarus 149 (1): 190–197, doi:10.1006/icar.2000.6507, Bibcode2001Icar..149..190L. 

External links