Asteroid (89) Julia
Orbital characteristics
Epoch 1-Jul-2021 (2459396.5 JD) | |
Apoapsis | 3.0234 AU |
4.523×108 km | |
Periapsis | 2.0790 AU |
3.1101×108 km | |
Semi-major axis | 2.5512 AU |
3.8166×108 km | |
Eccentricity | 0.1850930 |
Inclination | 16.130 ° |
Longitude of asc. node | 311.55 ° |
Argument of periapsis | 45.108 ° |
Orbital period | 1488.39 days |
4.075 years | |
Avg. orbital speed | 18.49 km/s |
Physical characteristics
Mean diameter | 145.48 km |
Rotation period (sidereal) | 11.388 hours |
Albedo | 0.189 |
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Links
Shape model data sources
- Vernazza et al., The impact crater at the origin of the Julia family detected with VLT/SPHERE? Astronomy & Astrophysics 618, A154, 2018 link
- Hanuš et al., Volumes and bulk densities of forty asteroids from ADAM shape modeling. Astronomy & Astrophysics 601, id.A114, 2017 link
- Ďurech et al., Combining asteroid models derived by lightcurve inversion with asteroidal occultation silhouettes. Icarus 214, 652, 2011 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.
- Julia (Vernazza 2018) (PLY 26 KB) (OBJ 47 KB)
- Julia (Hanuš) (PLY 16 KB) (OBJ 35 KB)
- Julia (Ďurech) (PLY 37 KB) (OBJ 62 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.