Asteroid (509) Iolanda

Orbital characteristics

Epoch 26-Apr-2019 (2458600.5 JD)
Apoapsis3.3566 AU
5.0214×108 km
Periapsis2.7716 AU
4.1462×108 km
Semi-major axis3.0641 AU
4.5838×108 km
Inclination15.408 °
Longitude of asc. node217.54 °
Argument of periapsis157.58 °
Orbital period1959.07 days
5.364 years
Avg. orbital speed16.98 km/s

Physical characteristics

Mean diameter51.892 km
Rotation period (sidereal)12.291 hours



Models are given in Stanford Triangle Format (PLY) and Alias Waveform Format (OBJ) - you can use MeshLab or any other tool to convert them to other formats.

Please note that the models are in planetocentric coordinate system, with Z axis passing through north pole. Actual rotational axis may differ from planetocentric poles, especially for small irregular bodies.

Surface Textures

This object does not have textures yet and is being displayed as a solid gray shape.

Last Modified: 26 Apr 2019