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.