Carme (moon)
 |
|
| Discovery | |
|---|---|
| Discovered by | S. B. Nicholson |
| Discovery date | July 30, 1938[1] |
| Orbital characteristics | |
|
Mean orbit radius
|
23.4 million km[2] |
| Eccentricity | 0.25[2] |
| 702.28 d (1.9228 a)[2] | |
|
Average orbital speed
|
2.253 km/s |
| Inclination | 164.91° (to the ecliptic) 167.53° (to Jupiter's equator)[2] |
| Satellite of | Jupiter |
| Physical characteristics | |
|
Mean radius
|
~23 km[3] |
| ~6600 km² | |
| Volume | ~51,000 km³ |
| Mass | 1.3×1017 kg |
|
Mean density
|
2.6 g/cm³ (assumed)[3] |
| ~0.017 m/s2 (0.0017 g) | |
| ~0.028 km/s | |
| Albedo | 0.04 (assumed)[3] |
| Temperature | ~124 K |
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Carme (/ˈkɑːrmiː/ KAR-mee; Greek: Κάρμη) is a retrograde irregular satellite of Jupiter. It was discovered by Seth Barnes Nicholson at Mount Wilson Observatory in California in July 1938.[1] It is named after the mythological Carme, mother by Zeus of Britomartis, a Cretan goddess.
Carme did not receive its present name until 1975;[4] before then, it was simply known as Jupiter XI. It was sometimes called "Pan"[5] between 1955 and 1975 (Pan is now the name of a satellite of Saturn).
It gives its name 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°. Its orbital elements are as of January 2000.[2] They are continuously changing due to solar and planetary perturbations.
See also
References
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<references />, or <references group="..." />External links
- Carme Profile by NASA's Solar System Exploration
- David Jewitt pages
- Jupiter's Known Satellites (by Scott S. Sheppard)
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- ↑ IAUC 2846: Satellites of Jupiter 1974 October 7 (naming the moon)
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