Orbital Elements
      
        - Epoch: 2460200.5 JD
 
        - Semi-major axis: 3.18 AU
 
        - Eccentricity: 0.1719
 
        - Inclination: 22.68 deg
 
        - Longitude of Ascending Node: 200.47 deg
 
        - Argument of Periapsis: 188.76 deg
 
        - Mean Anomaly: 255.95 deg
 
      
    
    
      
Physical Characteristics
      
        
          - Diameter: 106.97600 km
 
        
        
          - Magnitude: 8.50
 
        
        
          - Albedo: 0.065
 
        
        
          - Spectral type (Tholen): G
 
        
        
          - Spectral type (SMASS): Ch
 
        
      
    
    
      
        
Shape Model Characteristics
        At 2450774.0 JD:
        
          - Spin period in hours: 11.28783
 
          - Spin latitude: 79.0
 
          - Spin longitude: 79.0
 
          - Spin angle: 0.0
 
          - Quality level: -1.0
 
        
      
      
        This shape model of asteroid Iduna is provided by the DAMIT database from The Astronomical Institute of the Charles University in Prague, Czechia.
      
    
    
      The model is rotated on its Z axis for the purpose of this visualization, which may not reflect actual rotation.