Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.387 AU
  • Eccentricity: 0.2298
  • Inclination: 5.52 deg
  • Longitude of Ascending Node: 259.5 deg
  • Argument of Periapsis: 145.44 deg
  • Mean Anomaly: 207.9 deg

Physical Characteristics

  • Diameter: 199.83000 km
  • Magnitude: 5.64
  • Albedo: 0.2766
  • Spectral type (Tholen): S
  • Spectral type (SMASS): S

Shape Model Characteristics

At 2435469.87284 JD:
  • Spin period in hours: 7.138844
  • Spin latitude: 9.0
  • Spin longitude: 9.0
  • Spin angle: 0.0
  • Quality level: 4.0

This shape model of asteroid Iris 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.