Astronomy:570 Kythera
From HandWiki
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg |
| Discovery date | 30 July 1905 |
| Designations | |
| (570) Kythera | |
| Pronunciation | /kɪˈθɪərə/[1] |
| 1905 QX | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.72 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) | |
| Eccentricity | 0.12071 |
| Orbital period | 6.33 yr (2313.5 d) |
| Mean anomaly | 125.278° |
| Mean motion | 0° 9m 20.196s / day |
| Inclination | 1.7870° |
| Longitude of ascending node | 223.762° |
| 156.205° | |
| Physical characteristics | |
| Mean radius | 51.405±1.4 km |
| Rotation period | 8.120 h (0.3383 d) |
| Geometric albedo | 0.0500±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
- ↑ 'Cythera' in Noah Webster (1884) A Practical Dictionary of the English Language
- ↑ "570 Kythera (1905 QX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=570;cad=1.
- ↑ Schmadel, Lutz (2003), Dictionary of Minor Planet Names, Springer Science & Business Media, p. 59, ISBN 9783540002383.
- ↑ 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, Bibcode: 2001Icar..149..190L.
External links
- Yeomans, Donald K. (2007-04-20). "570 Kythera (1905 QX)". JPL Small-Body Database Browser. NASA JPL. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=570.
- 570 Kythera at AstDyS-2, Asteroids—Dynamic Site
- 570 Kythera at the JPL Small-Body Database
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