Carme (moon)
Carme is a retrograde non-spherical moon of Jupiter. It was found 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.
| Discovery | |
|---|---|
| Discovered by | S. B. Nicholson |
| Discovery date | July 30, 1938[1] |
| Orbital characteristics | |
Mean orbit radius | 23,400,000 km[2] |
| Eccentricity | 0.25[2] |
| 702.28 d (2.045 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 |
| ~6600 km² | |
| Volume | ~51,000 km³ |
| Mass | 1.3×1017 kg |
Mean density | 2.6 g/cm³ (assumed) |
| ~0.017 m/s2 (0.0017 g) | |
| ~0.028 km/s | |
| Albedo | 0.04 (assumed) |
| Temperature | ~124 K |
Carme did not get its present name until 1975;[3] before then, it was simply known as Jupiter XI. It was sometimes called "Pan"[4] between 1955 and 1975. Note that Pan is now the name of a moon of Saturn.
It gives its name to the Carme group, made up of non-spherical retrograde moons orbiting Jupiter at a distance ranging between 23,000,000 and 24,000,000 km and at an inclination of about 165°. Its orbital elements are as of January 2000.[2] They are changing a lot due to Solar and planetary perturbations.
References
change- ↑ 1.0 1.1 Nicholson, S. B. (1938). "Two New Satellites of Jupiter". Publications of the Astronomical Society of the Pacific. 50: 292–293. doi:10.1086/124963. S2CID 120216615.
- ↑ 2.0 2.1 2.2 2.3 2.4 Jacobson, R. A. (2000). "The Orbits of Outer Jovian Satellites". Astronomical Journal. 120 (5): 2679–2686. doi:10.1086/316817. S2CID 120372170.
- ↑ IAUC 2846: Satellites of Jupiter 1974 October 7 (naming the moon)
- ↑ Payne-Gaposchkin, Cecilia; Katherine Haramundanis (1970). Introduction to Astronomy. Englewood Cliffs, N.J.: Prentice-Hall. ISBN 0-134-78107-4.
Other websites
change- Carme Profile Archived 2007-06-08 at the Wayback Machine by NASA's Solar System Exploration
- David Jewitt pages
- Scott Sheppard pages
