Charakteristika
Ganymedes
Název | Absolutní hodnota | Relativní hodnota (Země=1) |
|
---|---|---|---|
Objevitelé | Galileo (1610) | ||
Datum objevení | 1610 | ||
GM 1) | 9887,83 ± 0,03 km3.s-2 | [3] | 2,481.10-2 |
Střední poloměr 2) | 2631,2 ± 1,7 km | [10] | 4,130.10-1 |
Střední hustota 3) | 1,942 ± 0,005 g.cm-3 | 3,521.10-1 | |
Velká poloosa eliptické dráhy - a 6) | 1 070 400 km = 14,97 RJ | ||
Doba jednoho oběhu okolo Jupitera | 7,2 dny | ||
Výstřednost dráhy | 0,001 | 5,988.10-2 | |
Sklon dráhy | 0,172° | ||
Geometrické albedo 5) | 0,44 | [5] | |
Zdánlivá hvězdná velikost 4) | 4,6 mag |
Reference: | |
1. | Anderson, J.D., Jacobson, R.A., McElrath, T. P., Schubert,G., Moore, W.B., and Thomas, P. C. 2000a. ``Shape, Mean Radius, Gravity Field and Interior Structure of Callisto'', Icarus 153, 157-161. |
2. | Gladman, B. J. 2000. IAU Circular 7472 |
3. | Jacobson, R.A. 2001. ``Gravity Field of the Jovian System and the Orbits of the Regular Jovian Satellites'', Bulletin of the American Astronomical Society 33(3), 1039. |
4. | Jewitt, D. C. 2001. personal communication |
5. | Morrison, D., N. D. Morrison, and Lazarewicz, A. R. 1974. ``Four color photometry of the Galilean satellites'', Icarus 23, 399-416. |
6. | Rettig, T. W. and Walsh, K. W. 2001. ``Implied Evolutionary Differences of the Jovian Irregular Satellites from a BVR Color Survey'', presented at Jupiter: Planet, Satellites, and Magnetosphere, Boulder Colorado |
7. | Thomas, P. C., Davies, M. E., Colvin, T. R., Oberst, J., Schuster, P., Neukum, G., Carr, M. H., McEwen, A., Schubert, G., Belton, M. J. S., and the Galileo Imaging Team 1998, ``The Shape of Io from Galileo Limb Measurements'', Icarus 135, 175-180. |
8. | Thomas, P. C., Burns, J. A., Rossier, L., Simonelli, D., Veverka, J., Chapman, C. R., Klaasen, K., Johnson, T. V., and Belton, M. J. S. 1998. ``The Small Inner Satellites of Jupiter'', Icarus 135, 360-371. |
9. | Simonelli, D. P., Rossier, L., Thomas, P. C., Veverka, J., Burns, J. A., and Belton, M. J. S. 2000. ``Leading/Trailing Albedo Asymmetries of Thebe, Amalthea, and Metis'', Icarus 147, 353-365. |
10. | Anderson, J. D., Jacobson, R. A., Lau, E. L., Moore, W. B., Olsen, O., Schubert, G., and Thomas, P. C. 2000. ``Shape, Mean Radius, Gravity Field and Interior Structure of Ganymede'', Bulletin of the American Astronomical Society 33(3), 1101. |
11. | Sheppard, S. S. 2002. http://www.ifa.hawaii.edu/~sheppard/satellites/jup.html |
12. | Thomas, P.C. 2002. private communication of limb fit results |
13. | Sheppard, S. S. 2003. http://www.ifa.hawaii.edu/~sheppard/satellites/jupsatdata.html |
* * * Zrcadleno ze stránek astronomia.zcu.cz/planety/jupiter/969-charakteristika-ganymedes * * *
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