Asteroid (21) Lutetia
Orbital characteristics
Epoch 1-Jul-2021 (2459396.5 JD) | |
Apoapsis | 2.8337 AU |
4.2391×108 km | |
Periapsis | 2.0374 AU |
3.0479×108 km | |
Semi-major axis | 2.4355 AU |
3.6435×108 km | |
Eccentricity | 0.1634720 |
Inclination | 3.0636 ° |
Longitude of asc. node | 80.860 ° |
Argument of periapsis | 250.09 ° |
Orbital period | 1388.31 days |
3.801 years | |
Avg. orbital speed | 18.96 km/s |
Physical characteristics
Mean diameter | 95.760 km |
Rotation period (sidereal) | 8.1683 hours |
Albedo | 0.221 |
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Links
Shape model data sources
- Torppa et al., Shapes and rotational properties of thirty asteroids from photometric data. Icarus 164, 2003 link
- Carry et al., Physical properties of ESA Rosetta target asteroid (21) Lutetia: Shape and flyby geometry. Astron. Astrophys., submitted, 2010 link
- Farnham, T.L., SHAPE MODEL OF ASTEROID 21 LUTETIA, RO-A-OSINAC/OSIWAC-5-LUTETIA-SHAPE-V1.0, NASA Planetary Data System, 2013 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.
- Lutetia (LC/Convex) (PLY 38 KB) (OBJ 61 KB)
- Lutetia (LC/Nonconvex) (PLY 10 KB) (OBJ 16 KB)
- Lutetia (Farnham, 6k poly) (PLY 109 KB) (OBJ 193 KB)
- Lutetia (Farnham, 50k poly) (PLY 887 KB) (OBJ 1.7 MB)
- Lutetia (Farnham, 250k poly) (PLY 4.4 MB) (OBJ 8.9 MB)
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.