(5535) Annefrank Main-belt Asteroid
Discovered on 23 March 1942 by K. Reinmuth at Heidelberg.
Where Annefrank is today
Seen from above the solar system on 2026-10-14: Annefrank is 2.15 au from the Sun and 1.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5535 |
| Provisional designation | 1942 EM |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.80 km (#11,017 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.311 |
| Rotation period | 15.1 hours |
| Absolute magnitude (H) | 13.86 |
| Orbital period | 3.29 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 2.07 – 2.35 au |
| Eccentricity | 0.0632 |
| Inclination | 4.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.