(520) Franziska Main-belt Asteroid
Discovered on 27 October 1903 by Wolf, M. F., Gotz, P. at Heidelberg.
Where Franziska is today
Seen from above the solar system on 2026-10-14: Franziska is 3.31 au from the Sun and 4.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 520 |
| Provisional designation | A903 UK |
| Orbit class | Main-belt Asteroid |
| Diameter | 25.3 km (#1,671 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.147 |
| Rotation period | 16.5 hours |
| Spectral type | CGU |
| Absolute magnitude (H) | 10.62 |
| Orbital period | 5.21 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.68 – 3.33 au |
| Eccentricity | 0.109 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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