Taygete (moon)
Moon of Jupiter
From Wikipedia, the free encyclopedia
Taygete /teɪˈɪdʒətiː/, also known as Jupiter XX, is a little retrograde irregular satellite of Jupiter.
David C. Jewitt
Yanga R. Fernandez
Eugene A. Magnier
Taygete imaged by the Canada-France-Hawaii Telescope in December 2001 | |
| Discovery[1] | |
|---|---|
| Discovered by | Scott S. Sheppard David C. Jewitt Yanga R. Fernandez Eugene A. Magnier |
| Discovery site | Mauna Kea Observatory |
| Discovery date | 25 November 2000 |
| Designations | |
Designation | Jupiter XX |
| Pronunciation | /teɪˈɪdʒətiː/[2][3] |
Named after | Τᾱϋγέτη Tāÿgetē |
| S/2000 J 9 | |
| Adjectives | Taygetean /ˌteɪədʒəˈtiːən/[4] |
| Orbital characteristics[5] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Observation arc | 25 years 2025-12-21 (last obs) |
| 0.1507123 AU (22,546,240 km) | |
| Eccentricity | 0.2487538 |
| –691.62 d | |
| 150.90619° | |
| 0° 31m 13.862s / day | |
| Inclination | 165.95236° (to ecliptic) |
| 14.91608° | |
| 283.34358° | |
| Satellite of | Jupiter |
| Group | Carme group |
| Physical characteristics[6] | |
| 5 km | |
| Albedo | 0.04 (assumed) |
Spectral type | D |
| 21.9[7] | |
| 15.5[5] | |
Discovery and naming
It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard, in 2000, and given the temporary designation S/2000 J 9.[8][1][9]
It was named in October 2002[10] after Taygete, one of the Pleiades, daughter of the Titan Atlas and mother of Lacedaemon by Zeus (Jupiter).
Orbit
Taygete orbits Jupiter at an average distance of 22,546,240 km in 691,62 days, at an inclination of 165° to the ecliptic, in a retrograde direction and with an eccentricity of 0.248.
It belongs to the Carme group, made up a tightly of irregular retrograde moons orbiting Jupiter at a distance ranging between 22.7–23.5 million km, at an inclination of about 165°, and eccentricities between 0.24 and 0.28.
Physical characteristics
Taygetes' estimated diameter is 5 kilometers, assuming an albedo of 4%.
Like the other members of the Carme group (Exception Kalyke), it is light red in color (B−V=0.56, V−R=0.52), similar to D-type asteroids.
Origin
Taygete probably did not form near Jupiter but was captured by Jupiter later. Much like the other members of the Carme group, which have similar orbits, Taygete is likely to be the remnant of a broken, captured heliocentric asteroid.