Isonoe (moon)
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| Isonoe 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 | 23 November 2000 |
| Designations | |
Designation | Jupiter XXVI |
| Pronunciation | /aɪˈsɒnoʊ.iː/ |
Named after | Ισονόη Isonoē |
| S/2000 J 6 | |
| Adjectives | Isonoean /ˌaɪsənoʊˈiːən/ |
| Orbital characteristics [2] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Observation arc | 17.46 yr (6,379 days) |
| 0.1559024 AU (23,322,670 km) | |
| Eccentricity | 0.2263119 |
| –688.61 d | |
| 148.53423° | |
| 0° 31m 36.216s / day | |
| Inclination | 164.45891° (to ecliptic) |
| 203.99552° | |
| 219.75296° | |
| Satellite of | Jupiter |
| Group | Carme group |
| Physical characteristics[3] | |
| 4 km | |
| Albedo | 0.04 (assumed) |
Spectral type | B–V = 0.78 ± 0.05, V–R = 0.53 ± 0.04[4] |
| 22.5[5] | |
| 16.0[2] | |
Isonoe /aɪˈsɒnoʊ.iː/ , also known as Jupiter XXVI, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2000, and given the temporary designation S/2000 J 6.[6] [1]
Isonoe is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 23,833,000 km in 688.61 days, at an inclination of 166° to the ecliptic (169° to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.166.
It was named in October 2002 after Isonoe, one of the Danaïdes in Greek mythology, and a lover of Zeus (Jupiter).[7]
Isonoe belongs to the Carme group, made up of irregular retrograde moons orbiting Jupiter at a distance ranging between 23 and 24 Gm and at an inclination of about 165°.
References
[edit ]- ^ a b MPEC 2001-A28: S/2000 J 2, S/2000 J 3, S/2000 J 4, S/2000 J 5, S/2000 J 6 2001 January 5 (discovery and ephemeris)
- ^ a b "M.P.C. 115890" (PDF). Minor Planet Circular. Minor Planet Center. 27 August 2019.
- ^ "Planetary Satellite Physical Parameters". Jet Propulsion Laboratory. 19 February 2015. Retrieved 27 November 2020.
- ^ Graykowski, Ariel; Jewitt, David (5 April 2018). "Colors and Shapes of the Irregular Planetary Satellites". The Astronomical Journal. 155 (4): 184. arXiv:1803.01907 . doi:10.3847/1538-3881/aab49b . ISSN 1538-3881.
- ^ Sheppard, Scott. "Scott S. Sheppard - Jupiter Moons". Department of Terrestrial Magnetism. Carnegie Institution for Science. Retrieved 27 November 2020.
- ^ IAUC 7555: Satellites of Jupiter Archived 2002年09月16日 at the Wayback Machine 2001 January 5 (discovery)
- ^ IAUC 7998: Satellites of Jupiter 2002 October 22 (naming the moon)