Datos Técnicos de Saturno

 

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 Cantidad                 Valor         Unidades           

 Equatorial radio en      60330         km              
 100 mb                                                 
                          9.459         Radio Tierra(eq)            

 Polar radio en 100 mb    54180         km              
                          8.523         Radio Tierra (p)             

 Oblateness               0.09796                       

 Masa                     5.69E+26      kg              
                          95.2          Masa Tierra   

 Volumen                  8.25E+23      metros cúbicos
                          764           Volumen Tierra   

 Periodo de rotación      10.66         horas           
 kilométrico                                             

 Periodode rotación       10.17         horas           
 ecuatorial                                             

 Axial tilt               26.73         grados         

 Atmospheric temp. at 1   134           grados Kelvin  
 bar                                                    

 Effective temperature    95            degrees Kelvin  

 Visual geometric albedo  0.47                          

 Bolometric Bond albedo   0.34                          

 Densidad media           0.688         g/cm3           

 Mean gravity at 1 bar    10.46         m/s2            
                          1.07          Earth           
                                        gravities       

 Typical Wind Velocity    400-500       m/s

 Constituent gases        H2, He,                       
                          CH4, NH3                      


Parámetros Orbitales de Saturno

Cantidad-Valor-Unidad Solar distance, mean 1430 million km 9.56 AU Solar distance, min 1350 million km 9.02 AU Solar distance, max 1510 million km 10.09 AU Siderial orbit period 10760 days 29.46 years Mean orbital velocity 9.64 km/s Orbital eccentricity 0.056 Inclination to ecliptic 2.49 degrees 


Parámetros del Campo Magnético de Saturno

Cantidad-Valor-Unidad Magnetic dipole moment 0.218 gauss Rs3 4.70E+28 gauss cm3 Magnetic dipole tilt 1 degrees Magnetic dipole offset 0.04 Rs


Geometría Orbital de los Satélites de Saturno

                         Distance    Distance     Orbital    Mean       Orbital      Orbital 
                                                             Orbital                                
Satellite               from Saturn  from Saturn  Period     Velocity   Inclination  Eccentricity            
Name                    (km x 1000)  (Saturn      (days)     (km/sec)   (degrees)                 
                                     radii)                                                      

Pan                        133.6     2.22         0.58       16.86      0            0            
Atlas                      137.6     2.28         0.60       16.61      0.3          0.0030       
Prometheus                 139.4     2.31         0.61       16.50      0            0.0024       
Pandora                    141.7     2.35         0.63       16.37      0.1          0.0042       
Epimetheus                 151.4     2.51         0.69       15.83      0.34 (var.)  0.0090       
Janus                      151.5     2.51         0.69       15.83      0.14 (var.)  0.0070       
Mimas                      185.5     3.08         0.94       14.30      1.53         0.0202       
Enceladus                  238.0     3.95         1.37       12.63      0.02         0.0045       
Tethys                     294.7     4.89         1.89       11.35      1.09         0            
     Telesto               294.7     4.89         1.89       11.35      0            0            
     Calypso               294.7     4.89         1.89       11.35      0            0            
Dione                      377.4     6.26         2.74       10.03      0.02         0.0022       
     Helene                378.4     6.28         2.74       10.02      0.20         0.0050       
Rhea                       527.0     8.74         4.52        8.49      0.35         0.0010       
Titan                     1221.9     20.27        15.95       5.57      0.33         0.0292       
Hyperion                  1481.1     24.58        21.28       5.06      0.43         0.1042       
Iapetus                   3561.3     59.09        79.33       3.26      14.72        0.0283       
Phoebe                    12952.0    214.91       550.48      1.71      175.30       0.1633

Saturno Satélites - Geometría de Cuerpo

                           Mean                                                      Alternate                          
Satellite       Radius     Density      Observed Features                            Names       Discovery              
Name             (km)      (g/cm3)                                                                                     


Pan               10       ----         ----                                         1981 S13   Voyager 2 1981         
                                                                                       S18      (Showalter)            
Atlas           18.5 x     ----         Elongated; may control A ring outer edge     1980 S28   Voyager 1 1980         
             17.2 x 13.5                                                               S17      (Terrile)              
Prometheus     74 x 50 x   ~0.70        Shepherd satellite to F ring with Pandora    1980 S27   Voyager 1 1980         
                  34                                                                   S16      (Collins & Carlson)    
Pandora        55 x 44 x   ~0.70        Shepherd satellite to F ring with            1980 S26   Voyager 1 1980         
                  31                    Prometheus                                     S15      (Collins & Carlson)    
Epimetheus     69 x 55 x   ~0.70        Irregular; may have been joined with Janus   1980 S3    Fountain & Larson      
                  55                                                                   S11      1978                   
Janus          97 x 95 x   ~0.67        Irregular; trades orbits with Epimetheus     1980 S1    Fountain & Larson      
                  77                                                                   S10      1978                   
Mimas          209 x 196   1.17         Giant crater Herschel on leading                S1      Herschel 1789          
                 x 191                  Hemisphere; icy surface; may be covered                                        
                                        with water frost                                                               
Enceladus      256 x 247   1.24         Complex & varied geological evolution;          S2      Herschel 1789          
                 x 245                  craters; plains; crustal movements; may                                        
                                        be E ring source                                                               
Tethys         536 x 528   1.21         Almost pure ice; large trench Ithaca            S3      G. D. Cassini 1684     
                 x 526                  Chasma (4-5km deep); large 400km crater                                        
                                        Odysseus                                                                       
     Telesto   15 x 12.5   ----         Co-orbital with Tethys, 60deg. ahead (L4)    1980 S13   Smith et al 1980       
                 x 7.5                                                                 S13                             
     Calypso  15 x 8 x 8   ----         Co-orbital with Tethys, 60deg. behind (L5)   1980 S25   Smith et al 1980       
                                                                                       S14                             
Dione             560      1.43         Cratered leading hemisphere; wispy              S4      G. D. Cassini 1684     
                                        features on trailing hemisphere                                                
     Helene    17.5 x 16   ----         Co-orbital with Dione 60deg. ahead (L4)      Dione B    Lacques & Lecacheaux   
                                                                                     1980 S6    1980                   
                                                                                       S12                             
Rhea              764      1.33         Largest icy satellite; dark trailing            S5      Cassini 1672           
                                        hemisphere; densely cratered equator                                           
Titan            2,575     1.88         Largest of the satellites; N2, He               S6      Huygens 1655           
                                        atmosphere; aerosols, hydrocarbons;                                            
                                        surface temp. = 92deg.K; orangish disk;                                        
                                        darker n. hemisphere; H2 torus                                                 
Hyperion       180 x 140   1.40         Irregular shape; long axis not pointed at       S7      Bond 1848              
                 x 113                  Saturn (perhaps due to recent collision);                                      
                                        dark surface; chaotic orbit                                                    
Iapetus           718      1.21         MUCH darker leading hemisphere; ring of         S8      G. D. Cassini 1671     
                                        dark material near division                                                    
Phoebe         115 x 110   0.70         Retrograde orbit; only satellite not            S9      Pickering 1898         
                 x 105                  tidally locked; ~9hr rotation; dark                                            
                                        surface; roughly spherical; may be                                             
                                        captured body

Anillos de Saturno

Orbital Geometría

                      Distance    Distance     Orbital  Mean
                                                        Orbital  
Ring                 from Saturn  from Saturn  Period   Velocity
Name                 (km x 1000)  (Saturn      (days)   (km/sec)
                                  radii)  

D RING (inner edge)     67.0      1.11         0.20      23.81
C RING (inner edge)     74.5      1.24         0.24      22.57
(D ring outer edge)                                            
Maxwell Gap             87.6      1.45         0.31      20.81
B RING (inner edge)     92.0      1.53         0.33      20.31
(C ring outer edge)                                            
CASSINI div. (inner     117.6     1.95         0.48      17.97
edge)                                                           
B ring (outer edge)                                            
A RING (inner edge)     122.2     2.03         0.50      17.63
(Cassini div. outer                                            
edge)                                                            
Encke Division          133.6     2.22         0.58      16.86
Keeler Gap              136.5     2.27         0.58      16.67
(A ring outer edge)     136.8     2.27         0.60      16.66
F RING                  140.2     2.33         0.62      16.45
G RING                  170.2     2.82         0.83      14.93
E RING (approximate     181.0     3.00         0.91      14.48 
inner edge)                                                    
(E ring approx. outer   483.0     8.01         3.96      8.86 
edge)

Anillos de Saturno - Geometría de Cuerpo

                           Mean                                                                           
Ring                      Radius     Observed Features                             Discovery              
Name                       (km)                                                                                     

D RING (inner edge)        7540      D:  Very thin, not well defined; seen         Pioneer 11 1979 
                                     best in forward-scattered light 

C RING (inner edge)        17490     C:  Very complicated grooved region; many     C ring:  W.C. & G.P    
(D ring outer edge)                  ringlets of regular ordering; also known      Bond & C. W. Tuttle 
                                     as the Crepe Ring                             1850 

Maxwell Gap                 270       ----                                         ----

B RING (inner edge)        25580     B:  Brightest ring; highly complex;           B ring:                
(C ring outer edge)                  thousands of ringlets; ring spokes;           C. Huygens 1659        
                                     redder particles                                                               

CASSINI div. (inner        4590      Cassini division:  Most prominent gap;        division:              
edge)                                caused by half-period resonance with          G. D. Cassini 1675     
B ring (outer edge)                  Mimas; faint ringlets                                                          

A RING (inner edge)        11405     A:  Many ringlets & minor gaps; darker &      A ring:                
(Cassini div. outer edge)            more transparent than B                       C. Huygens 1659        

Encke Division              328      Has faint ringlets                            J. F. Encke 1837       


Keeler Gap                  35       ----                                          ---- 

(A ring outer edge)        ----      ----                                          ----  

F RING                      < 3      "Braided" ring with separate strands;         Pioneer 11 1979        
                                     shepherded by Prometheus and Pandora  


G RING                    few km?    Extremely tenuous & optically thin; seen      detected Pioneer 11    
                                     best with forward-scattered light             1979  
                                                                                   1980 
E RING (approximate       302000     E:  Thought to be sustained by Enceladus;     Voyager 1 1980 
inner edge)                          density peaks at Enceladus' orbit  

(E ring approx. outer      ----      ----                                          ----  
edge)

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