Asteroid (176) Iduna

Orbital characteristics

Epoch 1-Jul-2021 (2459396.5 JD)
Apoapsis	3.7273 AU
Apoapsis	5.5759×10⁸ km
Periapsis	2.6376 AU
Periapsis	3.9458×10⁸ km
Semi-major axis	3.1825 AU
Semi-major axis	4.7609×10⁸ km
Eccentricity	0.1711947
Inclination	22.672 °
Longitude of asc. node	200.47 °
Argument of periapsis	188.58 °
Orbital period	2073.68 days
Orbital period	5.677 years
Avg. orbital speed	16.57 km/s

Physical characteristics

Mean diameter	106.98 km
Rotation period (sidereal)	11.288 hours
Albedo	0.065

Models:

Ďurech 2016 Model 1 Model 2

Ďurech 2017 Model 1 Model 2

Textures: Solid Gray Apparent Color Grid

(1403) Idelsonia

(13482) Igorfedorov

Shape model data sources

Ďurech et al., Asteroid models from the Lowell Photometric Database. Astronomy and Astrophysics, 2016 link
Durech et al., Shape models of asteroids based on lightcurve observations with BlueEye600 robotic observatory. A&A, submitted, 2017 link

Downloads

Models

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.

Iduna (Ďurech 2016, Model 1) (PLY 39 KB) (OBJ 61 KB)
Iduna (Ďurech 2016, Model 2) (PLY 39 KB) (OBJ 62 KB)
Iduna (Ďurech 2017, Model 1) (PLY 39 KB) (OBJ 87 KB)
Iduna (Ďurech 2017, Model 2) (PLY 38 KB) (OBJ 86 KB)

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: 14 Sep 2021